454 tunnel ram build. Big Tube Headers easy to find for a Big Chevy.


Jan 7, 2014 · Ram Effect If hood clearance is not an issue, or your customer wants a really aggressive look, the classic “Tunnel Ram” manifold is the ultimate setup for flowing lots of air at higher rpm. Choosing the right design basically comes down to matching the intake style to your vehicle’s application and intended rpm operating range. look cool and help with torque. That is a misconception on using a large cam and a large carbs. Jul 7, 2008 · I have a 454 BBC running an Edelbrock RPM cam, 9. Is that a Weiand tunnel ram on the bench with a pair of Pro Systems E85 carbs? Hmm… Mar 11, 2018 · My last back to back on a wheel dyno, Performer RPM intake with 750 carb vs a Tunnel-ram with 2 600 cfm carbs resulted in 53+ HP everywhere in the curve . 5 compression, tunnel ram and a flat tappet cam. Apr 25, 2012 · However, Guy was soon to follow, and by 1972, Guy's Chevelle had been equipped with a tunnel ram, a set of open-chamber '71 454 cylinder heads, a hotter cam, and higher-compression pistons. Sep 28, 2014 · BUT in the case of the build at hand, the 236s yield little compression. 020 over and put another camshaft in it ( Fresh Build) I have 2 Edelbrock 650 cfm carbs on top, Let's just put it this way my truck will pull the the fronts off the ground. IMHO the Eddy street and Victor tunnel rams are better than the Weiand Hi RAM intakes. However, it is unique enough for a new category. its a old trx1 tunnel ram. The thing ran ok but I couldnt get it to idle as well as the Dart intake. It ran 80 MPH all day long, the best i got out of it was 86 MPH on gps. Sep 1, 2010 · This 572ci big-block Chevy motor is fully loaded and produces 845 horsepower on pump gas! It features GMPP valve covers, custom Holley carbs, a PRW flywheel, a Kryptonite crankshaft, an Innovators Find CHEVROLET 7. 050, 114 centerline, dual 600 cfm vac secondaries. 060 over mark4 454 with GM 990 heads (larger intake values and port work), and a tunnel ram with dual 660's. 1 comp, big oval port heads. A tunnel ram intake typically utilizes two 4-barrel or four 2-barrel carbs that align each carb barrel directly over an intake runner. 030, 049 heads with just the bowls blended and flash cleaned up. com/stores/snidertron3000PO Box 218Nashville, MI 49073I Hogan’s Racing Manifolds has been fabricating custom intake manifolds for over 40 years. i am being told that the Dart T-ram is one of the best. 030 over with a mild cam, running a tunnel ram. be/YaVu8FiUhLQHow to Check PTV Clearance - https://youtu. Feb 20, 2008 · 454 . I really would like to run a tunnel ram w/duals. The car was one of three ’55 Chevys originally built by California hot rodder Richard Ruth for the 1971 classic “Two Lane Blacktop” street-racing odyssey. Includes two 500 cfm manual choke Edelbrock carburetors, gasser style scoop and linkage. Jan 30, 2007 · Combining a big-block Chevy with a dual-carb tunnel ram is a surefire recipe for success. Dart Tunnel Ram intake manifolds give your engine the performance of a custom-built sheet metal intake, without the high price tag. The tunnel ram combines the common plenum of the single plane with the long runners typically offered in a dual-plane intake–kind of the best of both worlds. Oct 21, 2011 · My last engine I guesstimated that it was putting down around 500-550. low compression 454 with a LS-6 cam and iron open chamber heads. Mar 27, 2014 · 404 ( . Or would I be better off swapping out the 350 for a 454 and running the tunnel ram/2-4's setup on that? Dec 29, 2015 · A number of tunnel ram intakes, like ours from Weiand, Dart and Wilson Manifolds actually offer longer runner length than a typical single-plane intake. Hot ridding seems to be a compromise Throttle Body on Tunnel Ram Intake. EG port runner cross sectional area before and after the porting. Running the wrong type carb for the street is a mistake, too. With upgraded 7-inch-long runners and nearly 5. The tunnel ram don't provide much vacuum so the vacuum for the distributor would go on the carb but don't have any idea where to put the vacuum Mar 2, 2010 · I have a 55 chevy with a 355 sbc mild. Great for engines with slightly modified or Oct 29, 2019 · have you dyno tested the Edelbrock #7085 tunnel ram against any other tunnel rams ? I'm using the old Weiand #1985 rectangle port and i read somewhere that Edelbrock claims their new version (made in 2013) #7085 is worth 40 - 50 hp over other t-rams (didn't say which ones). I called the Holley tech line and they recommended the jet sizes. com or the July 2012 issue of Car Craft Magazine. Feb 24, 2020 · I bought this Tunnel Ram setup about a year ago for my 64 Chevy C 10 Pro Street Truck, I have a 454 in it, Bored . He reported some promising results and thought it an area well worth further research. If your build needs them, just get a Dart SHP block. Edelbrock tunnel ram with 2-750 QF carbs works awesome with timing locked out at 34*. 050 solid roller, ported 2. Have not really decided to build low torque or mid-upper RPM. Today we build a complete tunnel ram setup for the 440 including fuel lines, regulator, linkage and return springs. What’s more, it will turn these numbers all day long on pump gas. Probe 18cc domes, thumb rods w/arp bolts. 5 or higher compression, you can build a decent performing tunnel ram motor as long as the rest of the build(cam, heads, etc) is complimenting to the tunnel ram. 5 1 pistons, 561 lift in/ex and i'm thinking about doing a tunnel ram with 450's as well Oct 17, 2006 · I had a pro street 57 pick-up with a Weiand D-port tunnel ram on a 454 that was pretty streetable. Dec 27, 2020 · Every engine I put a tall dual 4 tunnel-ram on picked up power everywhere. How is it identified? A tunnel ram intake has tall, straight intake runners. 3 ls engine!. , Nobody can catch it. 4L/454 Intake Manifolds, Carbureted and get Free Shipping on Orders Over $109 at Summit Racing! Tunnel Ram (12) Single plane with divider (7 Nov 13, 2009 · I've built a 11. the car it want to hop or like buck when in first gear. i would NOT recommend you do this. cost under 1,000k dollars please. e. com/i/JEGS/555/80950/10002/-1Merch Available!https://teespring. jegs. PN 501-043 Standard Deck Tunnel Ram, dual quad carbureted. I want to maintain the tunnel ram look although it will cost me some ET and probabaly we a little soggy down low. Street rod no beating any street type tunnel ram over 3500 rpm. May 23, 2016 · Tunnel Ram Intakes. 8 or 8:1. 0 to 9. My question is anybody running a tunnel ram on a big block on the street and could you recommend a a combo? The 454 is a stock 1970 LS6 the car is a 55 210 with a TKO 600 5 speed with 3:55 gears. I've got two 600 4160 vacume secondary carbs with annular boosters that I've b Sep 11, 2007 · "I do wish to consolidate the numbers so that they may be interpreted a little easier; the 5,6,7,8 are the respective tunnel runner numbers on that bank, and the "%" indicates flow percentage of the tunnel ram relative to that intake port while measuring its flow to open air (tunnel runner numbers are averaged for each lift point reading, then the percentage is calculated against respective Nov 8, 2016 · I recently acquired a 454 for my gasser build and noticed how the clear coat on the tunnel ram yellowed. rectangle port heads 325 runners 2. 7 ratio Msd ignition with 6al box Over transom bassets Weiand High-rise tunnel ram 2 600cfm carter afb competition carbs Jul 17, 2010 · The carbs, cam and cubic inches make a difference. carbs 2" headers 2 1/2" exhaust with 2 1/4" tall pipes for the street drag racing my be open headers. Dart Tunnel Ram Intake Manifolds. Oh baby, this would look cool on your car! Complete street tunnel ram kit with Edelbrock manifold. 8 out of 5 stars Oct 25, 2008 · Im running a tunnel ram myself. NOT seeing the tunnel ram/dual carb being happy on the engine. Mar 1, 2013 · As you can see from the graph, the tunnel-ram was worth a significant bump in torque, with as much as a 20-lb-ft improvement below 4,400 rpm, due to the 2x4 manifold's longer intake runners. A simple intake-valve tweak, a new intake, and a Pro Systems E85 carburetor produced a very rewarding 589 hp and 550 lb-ft of torque. small-block Chevy V8s operating below 7500 rpm where low-end torque is not a prime factor. I put a tunnel ram on last year with two 600 vac Holleys I converted to the 4150 style. It is going to have to be a somewhat budget build. Jul 18, 2014 · Like the title states Im trying to make 600hp my goal for this build. It has oval ports with 2. 050 Howard roller rockers 1. It’s designed with larger openings to accommodate throttle bore sizes up to 2. You will fall in love with the tall ram's. Feb 22, 2013 · tunnel ram set up I have a mostly stock 460 in our 18 foot Kona. I've played with boats more in the past 24 yrs than car's. Thats big time out of that size runner. Aug 8, 2017 · In your application a tunnel ram will work better. i'm not saying that the tunnel Mar 23, 2022 · But. It did all of this at well under 6,000 rpm. So for any type of street power, or truck power (torque) the tunnel intake will only set you back. ran better than the performer RPM intake. Feb 1, 2013 · Chevy 454 Heads - Blue Collar Build - Part 3. Jul 22, 2011 · Equipped with the Dart tunnel ram, the 540 BBC produced peak numbers of 806 hp at 6,700 rpm and 694 lbs/ft of torque at 5,500 rpm. Holley Gold 2 x 4 Quick Change Vacuum Secondary Housing Kits & Balance Tube | eBay May 10, 2011 · This is a follow up on the tunnel ram that I bought and motor combo. 9. PN 501-045 Standard Deck Tunnel Ram, EFI. 10 at 147mph. This complete B/B Chevrolet Street Tunnel Ram Kit features the Edelbrock 2-O manifold designed for use on 396-502 c. then the T/R's they're running because they didn't match the parts correctly. 1-1 compression, 245@. May 24, 2012 · This rebuild of the Chevy 454 is for all the ham-n-egg'ers out there. 84-1. Aug 31, 2022 · Tunnel-ram and Dual-Quad intake manifolds cater to specific performance needs, offering exceptional airflow and style for different applications. Chuck Nuytten is very experienced in using multiple carburetors on tunnel ram applications. 6 to 1 comp. 060 68 396 oval port, 10. PN 501-046 Tall Deck Tunnel Ram, EFI. See All 57 Photos Oct 21, 2011 · My last engine I guesstimated that it was putting down around 500-550. . now you mention that this is a 2 bolt bbc, i dont think i would build a blown bbc out of a 2 bolt main sbc unless you're looking for less than 500 May 19, 2011 · One time a friend of mine thought he would gain performance by ditching the "stock" 715 cfm Holley carb off his very mildly build 454 (stock 4. I believe that engine picked Apr 13, 2015 · The tunnel ram base was straight out of the box except for some internal clean up but it had the custom top. the valve train is a . The true goal of a junkyard 454 build is to have a running (and dependable) cheap 454 build for as low as financially possible. street only. Also on this list is the MSD Atomic system, which injects the fuel at a booster in the throttle-body barrels much like a carb. Aug 22, 2012 · Part 2 of our Blue Collar Budget 454 Big-Block build. open to heads He will be running it at the track as well as street doesnt care about manners Formerly he was gonna put a set of AFRs on his 454 but its tired so starting all over. Looking to keep rpms around 6000-6200rpms Jul 17, 2017 · I recently bought a LS6 454 big block that will be in my 55 real soon. diaphram housing with the cover that you connect a vacuum line between the two covers. Mar 11, 2015 · 564hv 5800rpm 734nm 5200rpm Jan 14, 2002 · Just bought a single four barrel offenauser tunnel ram and was wondering how it will make my mild 454 act. Jul 8, 2024 · Find CHEVROLET 7. It was a basic 049 head 230-240ish@050 single plane 850 deal wants to step it up Summit Racing™ Tunnel Ram and Carburetor Pro Packs 03-0176 Combo, Weiand Tunnel Ram, Holley Carburetors, 450 CFM, Linkage, Chevy, Big Block, Oval Port, Kit Part Number: CMB-03-0176 The build also included a 16:1 CR, two AED Dominators on a Pro-Filer tunnel ram manifold, a valvetrain with an intake lift of 1. It made 680 hp @ 5800 rpm and 652 lbft @ 4900 Would have probably gone over 700hp if we wanted to twist it a little higher. 4L/454 Intake Manifold and Carburetor Combos Tunnel Ram Intake Style and get Free Shipping on Orders Over $109 at Summit Racing! Dec 11, 2012 · Tunnel Ram I am sure helped exceed 100 % Volumetric Efficiency. Our tunnel ram carburetors utilize custom circuitry for the best response and power. I have a 64 c10 with a 454 bored . Cam choice is up next. Jul 12, 2021 · Re: Jon Kaase SR71 Build and Dyno results that he also tested with a Tunnel Ram Mark Miller July 13th 2021, 2:09 am 738drvr wrote: This IS the first one where he talked about the TR and showed dyno results. An engine's cylinder heads and intake manifolds must work together as an integrated system to produce maximum performance. Oct 14, 2014 · This guy has a weiland tunnel ram for cheap like 150. Jun 3, 2014 · We've brought the Blue Collar 454 back this month to try to duplicate that feat, but without the pricey tunnel-ram/dual-quad setup. Kudos to you guys for using a Tunnel-Ram. Engine Nov 1, 2013 · Check out Kettbo's build in the forums. Street Tunnel Ram Series 3500-7500+ RPM The Edelbrock Street Tunnel Ram Intake Manifold is designed for use on 302-327-350-400 c. Mar 28, 2006 · I cam across a 454 w/TH400 for a great price (free). Not for the faint of heart! (3500-7500 rpm) Designed for 302-327-350-400 c. Specs are 10. The red curves represent this engine equipped with a Weiand tunnel ram intake manifold and two 850-cfm carbs (built from 750s) having annular-discharge boosters. big-block Chevy V8s with large oval-port heads (1975 and earlier) Aug 19, 2008 · I have a Chevelle with a stock 350 2 bbl. sec. With this equipment, you are ready to make some big output numbers. As far as things changed on the carbs I removed the jet extensions and idle feed jets are 30. TUNNEL RAM intakes are a different deal, now thats not saying you can,t make excellent power with dual quads, but they are not the only way to get there with today's technology and they take some experience to tune correctly, experience few guys have or understand, so you will frequently see test results showing that dual quads make less power than a properly tuned single 4 barrel car intake. 060 over(4. 5 power valves and 50 cc pumps, 292 comp cam I know big for a tunnel ram. It's nothing special, dual 4150 top, rec, port, 8" tall for a custom build. Tunnel Ram Carburetors Good tunnel ram carburetors have special requirements. BTW: replace the top cover of the vacuum sec. Tunnel ram performance advantages come in at high rpm's, right? So, a high stall converter and a beefy bottom end are crucial. “We ran it for a couple years with a single four-barrel carb on it,” he says. The header tubes are glowing faintly, I have the air idel screws backed out 2. But im tunning on it hopefully ill get it figured out. 250" bore and pistons, oval heads, zero decked, mild jet boat cam)that I put together for his boat. The car is road legal- but doesn't get used for anything except the odd cruise to local hot rod events -trailered further afield - so road manners are not top priority- but Jan 28, 2014 · I believe the heads are 236's. The 454 appears to be stock-a spray paint rebuild-but it runs. 5 square inches of plenum space, these things are 25 percent larger than the base Victor Ram 2-R Tunnel Ram, making it one of the more capable intake manifolds to be released by the company in recent years. Sep 11, 2020 · Hello I wanted to put a tunnel ram on a stock 440, I wouldent mind putting a bigger cam in it but I have heard that some cams work better than others with tunnel rams, I wouldent mind rebuilding the motor either, I just want to put a tunnel ram on it and want it to be nice and reliable without having to adjust the carbs every few hours Dec 29, 2008 · I've got a tunnel ram street 468 chevy going together. Both combos liked the same timing but the tunnel ram just pulled harder off the line which was opposite of what I expected. ; Wilson, Hogan, BME, TRE etc. My combo is very mild but is a 454 . Speaking of applications, to properly demonstrate the performance merits of the Nov 20, 2020 · Link to the CC Checkerhttps://www. Air flow and booster signals of each carburetor venturi must match to perform as a team. 1s, SSI cam 296-306 with 238/248 . He broke it in with his 1050 quickfuel dyno carb. I was just looking for some idea on how to have a 454 built to be streetable with a tunnel ram. The car idles fine, cruises fine, but when you put the pedal to the floor, it hits about 4,000-4,200 rpm and falls flat and will not gain anymore RPM. 72 454 . I found this so interesting because a year or two ago I had Joe dyno a 455 pump gas street pontiac engine for me. Looking to be at 9. Carburetor Flange Type: 4-Barrel Dominator. more than likely the rods you buy, if they are from any good reputable brand will already have the ARP rod bolts that come with them. Aug 16, 2019 · A tunnel-ram intake manifold gave this otherwise modern engine build a nostalgic flair. If you had a low compression Peanut port 454, most of those (depending on what it came out of) were around 7. 50 valves. And it looks mean, too. Minuteman Missile. He gave in as I was paying for his time. Dual Holley 750 dps (4779-9) with chokes removed (horns still intact), reduced IFRs and jetted accordingly. small-block Chevy V8s operating between 3500-7500 rpm where low-end torque is not a prime factor. It was a 496. 4 speed with 373 gears. Don't come with any gaskets,don't think. Find all the details inside Hot Rod Magazine. Two months ago they took a standard 454 with a decent set of unmodified Oval Port Heads, (049's, I think), cleaned the thing all up, reused the pistons, did a fresh rebuild with good parts while adding a mild street cam and a decent intake, and made 408 HP and 511 ft lbs of torque, all below 5200 rpm, and for $1900. I bet there's a part number on the bottom in the valley area. 4L/454 Edelbrock Intake Manifolds, Carbureted and get Free Shipping on Orders Over $109 at Summit Racing! Tunnel Ram (3) Dual quad (1) Get Mar 1, 2003 · The continuing small-block Chevrolet engine buildup, known as the "Anvil" series, gets tunnel ram and nitrous works plate system. Heads will have 2. Taller than low-rise intakes, high-rise manifolds excel at building horsepower in the upper RPM range and offer a wider power band. Maybe CSTRAUB will drop in and suggest a cam grind that will work for this LOW COMPRESSION/PP head build. or 10. Our manifolds are engineered and designed with the knowledge gained over years of racing and winning. It has a gm steel crank 3/8 rods with good bolts and trw 9 to 1 pistons in the bottom. Jun 9, 2018 · DYNO TEST - 467" Big Block Chevy with GM Iron Oval Port Heads / Tunnel Ram May 28, 2024 · I am trying to find some tuning help regarding a 454 LS7 XCH. All this spayed main cap for a stock block can be over rated and costly. Again a good build any way you cut it. It was a running engine when removed two years ago. i just think the new Weiands are Junk maybe im wrong? bulb so without saying well a Hogan sheet metal or this and that is better. 310 bore) done very easily,just Jun 24, 2009 · Just get a pair of 390cfm VS Holleys #8007. I had a 2000 stall in it and 2. Chevrolet 454 Street Torque Recipe Dec 24, 2015 · I been running a tunnel ram in may Chevelle for over 35 years let me tell ya, you learn a lot. Only 1 went on a wheel dyno and it was 53 HP more everywhere vs the RPM with a 750 carb. Great for engines with slightly Jan 4, 2014 · Do not run a tunnel ram at any cost!!!! You do not seem to understand the value in the carb set up. How To Make 589 HP From A Blue Collar 454. of torque. Best thing for low compression is turbo or blower. For folks with smaller cubic inch engines, we offer Weiand tunnel ram intakes with 450 cfm Holleys that'll deliver the horsepower you crave without saddling your rig with too much Apr 14, 2011 · Re: build sheet for 468 or 496 bbc that works Kelly, I have all the specs for one I did about a year ago. $257. Motor had 990 rectangle port heads with mild port work, mostly bowl area ,. He thought it was a waste of time with such a low RPM street engine. Now the intake is a spread bore and it looks to be a dual plane. A Tunnel Ram is a special type of intake manifold. Common-enough. Remember what joe sherman used to say about elderly carbs that they were over rated in cfm Mar 1, 2007 · Second smartass answer - sell it to somebody looking for a 396 and buy yourself a 454 block and build a 454 or even a 496. with a tunnel ram with 2 450. Jul 30, 2012 · Carbureted intake manifolds come in a variety of styles: dual-plane, single-plane, Air-Gap, tunnel ram, and others. a friend has an old school weiand tunnel ram that he would sell me. 29 gears a few times. 4L/454 Pro-Filer Performance Products Hitman Big Block Chevy Tunnel Ram Intake Manifolds Tunnel Ram Intake Style and get Free Shipping on Orders Over $109 at Summit Racing! Pro-Filer Performance Products Hitman big block Chevy tunnel ram intake manifolds supply race winning performance out of the box. My EFI programmer guru, Scott Clark, had seen a pair of throttle bodies used on a tunnel ram intake. The tunnel ram will work fine. PN 501-044 Tall Deck Tunnel Ram, dual quad carbureted. If you’re building a serious LS-based max performance engine, the Mast Racing Tunnel Ram is now available to feed it. port I think it has 1981 on the side somewhere. Compression and cam are some of the things to address from what I have been hearing. Jan 20, 2021 · It is built for cruising and brute acceleration for the freeway and open road. 4-speed and 3. 10 decked with flat top pistons, weiand Dual Quad Pro Hi-ram tunnel ram running 2 Holley 450's ( may bump up the 450's to 600 but we will see ) I would like to take it to the track at least 2 or 3 times per year, lots of vintage racing events are coming back :thumbup: Nov 10, 2009 · Who makes the best tunnel ram for a bbc? I know that Weiand, Edelbrock, and Dart, are the three most popular. You would need two Jan 4, 2014 · Do not run a tunnel ram at any cost!!!! You do not seem to understand the value in the carb set up. They became popular with drag racers in the 1960s. But just gotta say it one more time, perhaps a tad differently. 31″ without modification and is wider to accommodate the larger runners in the new manifolds. Jul 22, 2017 · The Tunnel-ram that is tall is not picky on the jet with the Edelbrock 600's or early AFB carbs. The cam was done by chris straub here on the forums (cstraub) and the engine ran hard. It was a . 600 lift 240 at 050 duration solid roller with a rev kit and good roller rockers and valve springs. Power glide and 3. 60 over, a old school weiand tunnel ram with two 600s on top, 781 oval ports stock right now and I havent chosen a cam. Dec 19, 2008 · Well I wasn't looking to start any arguments here. Pontiac RAIV has same available. We achieved that goal—exceeding it by a few ponies, in Find Summit Racing™ Tunnel Ram and Carburetor Pro Packs and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing™ tunnel ram and carburetor Pro Packs are made for horsepower, pure and simple. used the weiand small runner intake, stock 600 holleys. Thanks in advance! Feb 5, 2017 · A tunnel ram with long runners and a small plenum is great for street use. Aug 9, 2010 · Ive run several different tunnel ram combos (mostly on 454-540 BBC engines ) but also on a 396 BBC and once you get good at reading plugs and adjusting carbs youll do fine, Ive usually seen guys go crazy when they try to adjust the dual quads like they might on a low rise where each of the 4 pairs of venturies open in progressive order, TUNNEL Feb 20, 2013 · An engine that makes peak horsepower at 6,200 rpm with a high-rise dual-plane will probably make peak power at 6,2006,400 with a tunnel-ram; if the peak-power rpm jumps more than that, then the Jan 4, 2013 · Definitely a Weiand tunnel ram, the flat spot on the lower gives it away. Ok so far ive got these parts to help me achieve my goal. we put screws in the secondaries to bring them in a little quicker. 5 turns each and appears to be running rich because it will make your eyes water. Best run currently 9. Big Tube Headers easy to find for a Big Chevy. Also, peak torque is up by 19 ft-lbs and peak power is up by 28 hp. Tunnelram got the 600 edelbrocks on the small blocks #1405. 19/1. Standard deck height, 468, Dart 320 race heads, 1050 methanol QFT FX carb, very high lift cam, spin motor to 8000-8400 now at the trap. Mar 16, 2014 · The recommendations for the tunnel ram will be based on the CFM on top of it. These runners feed from a suitably sized plenum so that, at WOT, the plenum appears (to each intake runner) to be open air that has been pre-mixed with fuel. 95 Edelbrock 29045 Victor Jr. DO BIG CAMS EVEN WORK WITH LOW COMPRESSION? WHICH TUNNEL RAM WORKS BEST? CAN A PORTED BBC TUNNEL RAM Feb 22, 2024 · Ls sema ls1tech v12 basedGuide to swapping an ls3 into your street/strip chevy Parts ls4 engine ls1techPin on ls series 6. Aug 25, 2012 · Single 4 tunnel ram. stay away from the Edelbrock b/c of short plenum volume. Find CHEVROLET 7. My cheap plan was to use an old cam that I kept from a prior build, a flat tap 612/630, put an old tunnel ram on top and use a dual plate NOS cheater system that I just acquired from a blown 496. Some boat engines would be better off with a single carb Victor Jr. Now if your running propane, my favorite high octane clean fuel, the tunnel ram would be fine. In The car was one of three ’55 Chevys originally built by California hot rodder Richard Ruth for the 1971 classic “Two Lane Blacktop” street-racing odyssey. (2) 390cfm carbs = 780cfm, can go on almost any mild engine. 0l engine with black tunnel ram. Great budget build and plenty of power for the street. 19 1. 5 cr, 2-1405 carbs on an Edelbrock tunnel ram, with 12* initial timing. 10 posi 4100 lbs the car weights with me in it. Used mostly for drag racing, a Tunnel Ram style manifold with dual four barrel carburetors has long straight runners that curve slightly as they mate Mar 10, 2020 · Tech Help. d. i. 040 inches, a well-sorted header set from American Racing Headers, plus a few other trick parts. Duel feed, metering blocks front and rear. With a tunnel ram even lower rpm if he is stuck on elderly old man carbs, new 800 avs 2. 88 049 heads. to which I'd look to add 2x 600-650cfm do 4150s. Sep 21, 2008 · IF the rest of the basic engine is servicable,Id rebuild it with a mild port clean up,a valve job,a re-ring and new bearings, plus the tall deck block allows you to use longer connecting rods and a 4. Kinda curiuos on street ability on this tr. Aug 12, 2014 · Users of big-block Chevy motors rejoice; Edelbrock has released its new Victor Tunnel Ram for BBCs in cubic-inch sizes of 468 to 582. On JGM’s dyno, the 454 made 410 horsepower and 545 lbs. Will be using a stock cast crank, stock rods and speed Pro hyperutectic flat tops with single valve relief pistons. 88 valves 119cc chambers (088)heads weiand tunnel ram intake two matching 3310 holley 750 vac. 060 over 10. Tunnel ram does not care if how big or small the carbs are or if it's fuel injected. although the jungle drums speak of a tunnel-ram and nitrous that we can neither confirm nor deny. I based my build off his. etc. I am thinking of spraying just a 100 shot Apr 22, 2022 · Here are three easy-to-build big block Chevy builds that would be perfect in your muscle car or truck! CLICK HERE TO SEE THE OTHER BBC POWER COMBOS! Video Description: CAN A LOW-COMPRESSION 540 MAKE OVER 800 HP ON PUMP GAS (MAYBE EVEN 87!). 25" stroke crank, to build a 496 displacement 10:1 cpr engine ,youll need the block bored and honed at . Weiand's cast-aluminum unit delivered the vintage appearance that McCollough and Woods sought. I was thinking of a Weiand tunnel ram:Tunnel Ram Feb 16, 2013 · This is the tunnel ram I had my hei behind, I did make room for it to fit, it would only fit one way, which was fine, i ran locked out timing and I had about 10 degrees worth of movement once I had the hei dropped in. Highlights: Feb 3, 2013 · The heads will be just fine, the roller cam will kill a little on the bottom end but so what unless you're using it in a 4x4. Apr 22, 2024 · Junkyard 454 Build Bolt-Ons. Oct 7, 2018 · Actually you could use square ports as these again like the tunnel ram, begin to really produce power over 3500 rpm. Sep 4, 2005 · second car was a 68 camaro. How good do you guys think it would run on a mild 302 chevy motor?Are these tr bad about running lean on the corner cylinders?If its a deal i want to Aug 3, 2012 · This months Car Craft has the second phase of their cheap 454 build. I would be totally shocked if the tunnel ram did not make more power everywhere not to mention it looks much cooler than a single intake. 2 in. on and was wondering what (if anything) would have to be done to a stock motor to run a tunnel ram and 2 4bbl's. I am a decent SBC builder, but this will be my first BBC. 20over 400sbc ) with 5. 73 gears. May 3, 2019 · Wants to use a tunnel ram, HFT cam dual quads. Leaning towards the Dart Tunnel Ram, 4500 top. 454-O EFI Intake Manifold, Big Block Chevy . I am looking for some ideas for building this engine. It is a weiand rect. The magazine readers will say tunnel ram won't work but believe me it will work. RPM Range: 4,500-8,500. Tunnel Ram. Up at 7,000 rpm, the Dart tunnel ram was worth 51 hp over the Weiand tunnel ram. Hogan’s Racing Manifolds has been fabricating custom intake manifolds for over 40 years. This is all pretty vague so i thought i'd ask the speed talk world. Only problem ive been having with my tunnel ram is figuring out the stumble i have when i dump the clutch from a stop. 4L/454 Intake Manifolds, Carbureted Tunnel Ram Intake Style and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Sep 25, 2006 · now obviously a tunnel ram is a race only intake design to be used on engine combos that opperate in the 4500-7000 plus rpm range in most cases, running a tunnel ram on the street may look "neat" but its rarely smart on a street strip car, if power and driveability is the main concern, Ive run about 4 differant BBC rectangle port tunnel ram Apr 20, 2016 · my build is about like your build i'm curious to know hp as well 454. 8 in. I ran an 1150 Dominator on this manifold as an experiment compared to a Dart Dominator single plane single 4 intake. Jun 24, 2018 · F-BIRD'88 wrote: ↑ Thu Jun 28, 2018 5:39 pm VortecPro: any info on the Eddy oval port tunnel ram before and after porting. You can see that the tunnel ram torque is up throughout the measured RPM range. Aug 2, 2022 · The 496 big block Chevy has two-bolt mains, an Ohio crankshaft, Molnar connecting rods, Wiseco pistons, Canfield cylinder heads, Ferrea stainless valves, a Tunnel Ram, and two carburetors sit on top. It looks newer,but can only find the tops online forsale. Designed for 1957-1986 302-327-350-400 c. Part Number: EDL-7110 4. deck heights, each Hitman tunnel ram base Jan 17, 2010 · I say if you have 9. so you could scrap that. This was a low HP deal 385" chevy with 280H magnum flat tappet cam and 305 heads with 1. Vacuum secondary on a tunnel ram does NOT work and if you think smaller carbs will work you are wrong and will be spinning the thing well below what you should to gain any difference. I asked him if he would run my factory 2-4 pontiac tunnel ram intake with a pair of old 421 AFBs. be/blKm2ODrQZ4How to Measure Bearing Clea May 24, 2010 · im going tunnel ram on my BBC build and i want your opinions on T-rams. Thoughts? Jul 11, 2017 · Pistons are coming and we can check piston to valve clearance. One of the biggest mistake people do is overcarb and overcam the motor. Everybody seems to be using a pair of 600's but is that too much? It's going to be 90% street driven. Not something you would want in a 4000# vehicle. High Rise Intake vs Low Rise Intake Manifold High Rise Intake Manifold. I have a 400 th transmission but having a hard time fuguring out where to stick the vacuum line for the transmission. 396, 402, 427, 454, 496, 502, Two Carburetor Quantity. The engine ended up being a 540 with AFR 335 heads at 10 to 1 compression. The Shotgun Bill's Scoop® tunnel ram kit gives you two manual choke 500 cfm Edelbrock carbs, the famous Shotgun Bill's Scoop® air intake scoop, carb linkage and Edelbrock street tunnel ram intake (3500-7500 rpm). 7 rods and eagle crank, . I am also suspect of your compression ratio. Cast crank,scorpion rockers,Lunati voodoo 60203 cam, and a Holley 750 dp. Tunnel ram and the old torque thrust ds. 6. I just can't justify 4k. com or the October 2012 issue of Car Craft magazine. That means reusing major components like the rotating assembly, cylinder heads, and more while only replacing wear parts like rings, bearings, and gaskets. anyways the car ran and idled great. Check out the build from start to finish only at carcraft. Block lsx 454 bore blocks nalLs engine family part 1: gen iii + gen iv Chevrolet performance ls3 ls376/430 hp crate engine415hp from a basic 5. I'll have a single quad SBC Weiand tunnel ram for a 350 I'll be using in my 1956 Chevy, I'll be putting the finishing touches on gasket matching/mild street port on a set of heads for it tonight or this weekend. I kinda built my car to look like it was something that could have come out of the 70's. 060 forged 11. Feb 24, 2011 · So, I want to run a tunnel ram on a 454, what needs to be done? two bolt main block. If you're in love with the short stroke engine, buy a steel crank off ebay for $200 and build a 427. I love the way bb fills the engine bay plus I got a great deal on this bad boy. Check it out at carcraft. Go with a SP2C and a 500vs to get all you can. 88 stainless valves and a little port work i did myself. The mildest dual 4 tunnel-ram 350 was sporting a 270H cam and ported double humps. I put on a tunnel ram with two 600 double pumps. Apr 15, 2019 · Afr looks to have a 300 oval port head now that flows 390 cfm. Jul 31, 2021 · My first tunnel ram engine need help figuring out what size carbs to run Running a mild 454 9:1 CP 049 larger ovals basic port work 3 angle valve job Hydraulic cam 540 lift 114 LBS 236 248 D @ . Don't give up the cubes unless you have to. Forget new pistons, put the new heads on with good valve springs and your good to go. Don't remember what they were, but it ran good right off the bat! Aug 12, 2014 · Users of big-block Chevy motors rejoice; Edelbrock has released its new Victor Tunnel Ram for BBCs in cubic-inch sizes of 468 to 582. May cost a lot, but they do work very well for the street. Dec 14, 2023 · Does anyone know where to get a custom tunnel ram built? I know, and have spoken with all the brand name places i. May 22, 2014 · The Victor Tunnel Ram top (#7086) is for use with 4500 series carburetors and with the new Victor Tunnel Ram base manifolds only. 5:1cr, ported heads, ported tunnel ram, pair of 1050's and a solid roller. I think the twin 390 cfm carbs is the hot street setup for any small block, twin 650 double pumper spreadbores for a big blockbut you need a cam/engine combo that Apr 6, 2012 · Sounds like you may need a bunch more cam to make any power with that tunnel ram. 88 valves with some bowl work. Apr 13, 2010 · i wouldn't really think that there is a such thing as a 454 blower budget build but okay. Jan 4, 2023 · HOW TO VIDEO LINKS:How to Gap Piston Rings - https://youtu. Today, they can be found on all types of cars and trucks. Intake Manifold, Street Tunnel Ram, Aluminum, Natural, Dual Square Bore, Chevy, Small Block, Each. You do not need a large cam to run a tunnel ram setup. and 2 nitrous plates shooting the same 150bhp. holley's on my 454. You should be able to build Feb 8, 2022 · Factory block and 4" steel crank, It has 12. “It’s for cruising…” Jeff confirms. This is a pump gas 548 that makes 1150+ on 10# boost. Cam is a 270H comp cam. Feb 15, 2012 · I've had the same experience as lg1969, put too much carb on a tunnel ram and you basically lose all metering signal at the carb which requires huge squirters to make up the hole. 4L/454 Edelbrock Intake Manifolds, Carbureted and get Free Shipping on Orders Over $109 at Summit Racing! Tunnel Ram (3) Dual quad (1) Get Jan 28, 2021 · got a set of these I want to build for a weiand oval tunnel ram for my buddy's mild 454 in his camaro. I purchased the car from someone who installed the tunnel ram and two Holley 1850c 600 cfm carbs and did not do any changes to the carbs. was gonna get a couple of rebuild kits and the adjustable diamphram kit. Available for 9. 396, 402, 427, 454, 502 Engines ; Rectangular Port ; 2500-7800 rpm; View Details. Weiand Hi-Ram Tunnel Ram Intake Manifold Kit Big Block Chevy - Rectangular Port. No matter what intake, if you run low compression there isn't going to be a big reward in the higher rpm range. Dual carbs will work better than a single but as Scott said, if you are going single use a pent roof top to help with fuel distribution. 1 454 w/early oval port heads, decent solid lifter cam and I'm planning on using a tunnel ram manifold w/dual carbs. Technically, a tunnel ram is a Single Plane Manifold. -ft. Im putting an Edelbrock Street tunnel ram 2x4 on and need to now what the best carb CFM im going to need. The main car had an L88 engine, which was beefed up with a tunnel ram manifold, while the other two sported 454 crate engines. I have never ran a short one. Dec 4, 2013 · Going to be starting a flat top 454 build shortly, dropped my 390 casting closed chamber ovals off at the machine shop the other day. I tworked best with two 750 vacuum sec. Even better, we vastly improved the torque right where the torque converter would flash. After I glass bead this thing what recommendations do you have to recoat it with? Jan 31, 2015 · Good street motor with 3000 high stall, runs low 12's on the quarter. 10"tci unit 4. qctox seh xcwda epw iwnapix bkwvl scip qisdsh bvzef prr