Bbc tunnel ram combo. Combo is a 12 to 1 468 BBC, Dart 325 heads, solid roller .
- Bbc tunnel ram combo. Measured peak to peak, the Dart tunnel ram improved the power output by 29 hp and 13 lbs/ft of torque, but the gains were as high as 51 hp at 7,000 rpm. 2 in. 28 bore x 4. Jul 17, 2023 · Wow thats great news since i just spent $2000. Apr 21, 2019 · Re: Recommend a tunnel ram/carb BBC Post by Little Mouse » Sun Apr 21, 2019 7:21 pm F-BIRD'88 wrote: ↑ Sun Apr 21, 2019 2:47 pm Agree with you on the Edelbrock Dual Quad Rpm dual plane intake. Jan 3, 2014 · Do not run a tunnel ram at any cost!!!! You do not seem to understand the value in the carb set up. Available with 2x4 top, Enderle , or Blower Apr 15, 2019 · Afr looks to have a 300 oval port head now that flows 390 cfm. Jul 22, 2011 · The first tunnel ram tested on the BBC was a Weiand Hi-Ram. Am setting the car up for EFI, currently have the Dart tunnel ram as well as an Edelbrock SV632, my biggest question is would I get any / much gain if I went to a Pro-Filer tunnel ram? 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). lets say 1500-6000 . I've got a pretty big old pro stock style hood scoop, should fit. 18 60 foot launched off the footbrake. d. 1x on spray and 10. His new motor is a 480 ci small block, with a sheet metal tunnel ram. (!) Idle fuel is manifold vacuum controlled, not venturi vacuum controlled like the main circuit. deck heights, each Hitman tunnel ram base is designed to take your power curve to Jul 11, 2017 · Pistons are coming and we can check piston to valve clearance. you still have another 1500RPM before the cams powerband kicks in. 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!). The car will be street use only. cost under 1,000k dollars please. is the O. 00 all 4 lines and fittings) Feb 8, 2012 · It will definitely work. 6:1 comp, Dart Pro 2 380cc heads, won’t be spinning much past 7000rpm if at all, and methanol is the aim for fuel. 11 rear gears on 28" slicks Feb 26, 2017 · I have a dual purpose drag boat that I run mine in. CHECK OUT HOW A WEIAND TUNNEL RAM COMPARES TO A SINGLE-PLANE DOMINATOR, THEN HOW A DART TUNNEL RAM COMPARES TO THE WEIAND, THEN HOW A PORTED DART Apr 13, 2015 · 6,800 R. 050,. 760 lift 288/296 @ . 10 at 147mph. 714” . 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. Aug 14, 2013 · Tunnel ram carbs need less IFR because you have 2 carbs. I think it is an engine that likes to gulp alot of air do to its stroke. I can't see it being the most efficient though, especially on the top end. Current combo: 489 cid 10. Feb 15, 2011 · I had a recomendation from bullet for my 7500 rpm 496 with a tunnel ram and it was pretty close to what he sent you. com HMMM, I may have to get one of these and test it against the Super Victor on my 496 build. Designed to fit our line of BBC engines but easily adapts to most kit available BBC engines as well (some minor modifications may be required) Each kit includes 5 pieces ( Tunnel Ram intake manifold, Holley Dominator Carbs x2, choice of toppers x2) Comes in raw resin, some sanding, finishing and assembly required as well as adapting to engine Sep 13, 2007 · ok i have heard of people bolting an oval port intake to rect. The biggest problem with the 450's was, they are jetted stupid lean. looks like you got access to some better 2nd hand parts than I did tho View attachment 1220272 Jun 5, 2008 · The Holley Pro Dominator T/ram is suppose to be good & is no longer available as well. Go with a SP2C and a 500vs to get all you can. Aug 7, 2012 · I really want something interesting under the hood. The ProFiler Sniper Ram BBC Intake Manifold is designed with the perfect runner to plenum volume to maximize the power and acceleration curves of your engine. Jan 4, 2013 · Definitely a Weiand tunnel ram, the flat spot on the lower gives it away. 10@118mph 9-30-22 10. 09 at 119. And pretty close to the one I have in the car from Comp Cams Intake Add big power and COOL factor to your next Big Block Chevy engine with one of our Tunnel ram intakes sticking through the hood. Mar 25, 2024 · Thanks Jeff. 6. So after I stepped up about 7 jet sizes they really worked well. The 2nd one was a BBC tunnel ram with 2 600 Eddy's, because the 450's had such a sheety idle circuit and the Eddy's were the best at the time, I used to run that BB with a locked out 40° but at times it was a little cranky starting. The Weiand tunnel ram was designed to accept a pair of 4150 Holley carburetors. 0 to 9. I love tunnel rams, I really want to try one, I read a few 496 engine combo's that did better with a Super Vic than a tunnel ram. I bet there's a part number on the bottom in the valley area. 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 carb. 0s throughout the season, anyday, anytrack here in Division 1 and that has run 8. 00 EACH) also Steel Braided lines from the Pressure Regulator to the carbs (130. 572ci bbc AFR 335 Heads 10:1 static Tunnel Ram intake dry sump oiling max rpm 6500 Currently, they sport a single plane 454R intake, and 1150 dominator. RPM Range 5500-8500 Equal Radius Inlet with Mirrored Runner Arrangement Oct 1, 2010 · if this race car is primary used for index or bracket racing I wouldn't put a tunnel ram/dual carbs on it. Looking for 65-70 mph, turning around 5-5500rpm. The Weiand tunnel ram was run on the 540 BBC with a pair of 950 HP Holley carburetors. 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. I already have a QF 1250. M. A tunnel ram may not be his best choice. 11) 11. 185 bore any thoughts lookin for lo 10’s May 1, 2024 · The assembly of my new marine combo has finally started. Sep 25, 2006 · In my opinion, the very best cast tunnel ram manifold available for BBC is the Dart piece. 73). 1 comp is what the shop is going for. I was wanting to go with a Tunnel Ram on this engine, but do not want to break the engine apart since it runs so well. Made 750hp at 6000rpm. 050 older Holley Pro dominator tunnel ram with a dual 4150 top. Have you had any dealings with it Joe, & How much gain is the old TR2X worth over the new Victor Ram 2R which we are running in a 480ci ,12. stay away from the Edelbrock b/c of short plenum volume. 91 at 114 with the Stealth (3k converter, 4. I really like the atmosphere of this forum and tought some of you might be interested about a mild bbc tunnel ram build. High detail, long runner tunnel ram intake with two Holley Dominator carbs and your choice of carb toppers. 060 396 cc square ports mild porting 12:1 comp . or 10. Sep 22, 2016 · Buddy is thinking about the following combo for his offshore boat engines. Nov 17, 2013 · 496 BBC pump gas Combo's Jump to Latest 18K views 23 replies 10 participants last post by Carnival Ride Nov 19, 2013 Apr 29, 2020 · Tunnel Ram: Dual 1,050's 944 hp @ 7,400 750 trq @ 5,500 + 70 hp with the TR I thought the power curve was interesting where it starts rolling over at 6,400. Remember what joe sherman used to say about elderly carbs that they were over rated in cfm 105mm Hi-Boost Throttle Body + 4500 Billet Elbow Combo D-BAND (Black) LS-7 Tunnel Ram Billet Sheet Metal EFI / Nitrous. 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. Feb 22, 2013 · Dropping in my 468 bbc in my Tahiti 18ft soon,?kb prememium forged small domes, comp 274xm, gear drive, large oval port "291" heads. If you have 8" of vacuum pulling on 2 carbs it will pull more idle fuel than a single carb. Something like my last combo Beal built but I sent some Reher Morrison parts- 582 Profiler sniper x 375s angled milled to 23 and touched up by RM. Alkydigger claimed is was the best tunnel ram they have used. Its also a dual quad tunnel ram bbc. Mar 10, 2011 · Before I did the tunnel ram I had a performer rpm and vacuum secondary 750 on it. The engine ended up being a 540 with AFR 335 heads at 10 to 1 compression. 's 496 opperating range. It was a semi-tunnel ram design and we picked up . But my vote goes to the t-ram. big hp lost? port match up so bad to cause tune up problems? i did this and the car ran but it didnt respond very well to the tune up at the track. what about bolting a tunnel ram with rectangle ports to an oval port head with no attempt to match up the ports. The only tunnel ram setup I ran was back in the late 70's (performance parts weren't real good back then) and I ran the new 450 carbs on my new Weiand SBC tunnel ram. Hot ridding seems to be a compromise Nov 9, 2008 · this is a dual carb Dart Tunnel ram for a short deck BBC (769. Block cast #361959 Jun 19, 2009 · 800HP 540 w/AFR315's and Tunnel Ram (awsm502 posted this info) Hello Everyone, sorry for the long post but I wanted you to have all the info. Nov 10, 2009 · Who makes the best tunnel ram for a bbc? I know that Weiand, Edelbrock, and Dart, are the three most popular. It looked cool, but was all wrong for the way I used the car. Aug 11, 2005 · General Q & A - BBC Tunnel Ram Recomendations - Thinking of going to tunnel rams and I don't have a clue as to what intake seems to be the best bet. A friend of mine ran a Holley Tunnel-Ram intake for years on his 480 inch Big Block Chevy. This is all pretty vague so i thought i'd ask the speed talk world. 00) pair of Holley 4150 series 950 cfm carbs (729. Further I made 921HP with a vic jr. 90 @ 149 restricted with a 1. 4 speed with 373 gears. 4 corner carbs are even worse. It flattens out for a few 100 and then heads up again. Car is a 3150# 68 Firebird, th400 4500 stall converter, 4. single domintor - 770 hp old weiand t-ram - 777 hp dart - 806 hp dart wilson - 833 hp Aug 22, 2016 · I haven't found any good info on how to size carbs for a tunnel ram, so I'm asking for some help. Thoughts? Dec 27, 2020 · L-29 461 BBC 11. 8 in. Mar 3, 2010 · I have a 55 chevy with a 355 sbc mild. This is strictly a street car. Looking to be at 9. 735" - 735" lift. 800. 10 sec. Apr 18, 2023 · Im doing something very similar with my Hallet engine. P. It was hell finding a 14mm belt to fit the taller manifold on a Rodeck (tall block). He drove it on the street also, once tuned it ran very well, all the way to 8600rpm through the traps. Post by prairiehotrodder » Wed Oct 02, 2024 10:18 pm. 56 gear that I slow to run 9. BBC 9. its a old trx1 tunnel ram. So basically, the problem is from the idle circuit up to and transitioning on to the main circuit. Ran 9. This is going to replace my old 530hp 509 peanut port combo, wich btw was great but roasted a few pistons because of the incorrect installation of the water hose at the Aug 27, 2011 · Hey Guys, Im was lucky enough to find a 396 BBC in a Chevy truck that does not need rebuilding. JLine Performance BBC IRON Block 9. 28 at 115 with the Strip Dominator (4100 converter, 4. 73 gears. For big-motor fans, we have the combo with 600 cfm Holleys. atop my n/a 522 in my 3124 lb. edelbrock. 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 am really interested in a dual quad setup for the 496 going in my '55. Small Block Chevy 23 degree Race Tunnel Ram by Alkydigger . of the basic carb/intake designs available, generally the edelbrock air gap dual plane design with a properly size matched double pumper holley or correct throttle body injection will average the best combo of Mar 16, 2011 · Guys, what do you think is the best cast tunnel ram for BBC with conventional heads ( Head Hunter heads, or 385 BMF ) 615 cid nitrous motor. 8 SHORT DECK INTAKE WITH TWIN 1050 DOMINATORS. Oct 1, 2011 · Victor Tunnel Ram Details: The Edelbrock Victor Tunnel Ram is an updated design for modern big-block Chevy engines; Designed exclusively for 468-582 c. I feel my combo would be close to 800hp if it was 13:1 or better on compression. Part number for the rectangular port, standard deck manifold is 41134000. Sep 8, 2020 · ALL TUNNEL RAMS ARE NOT CREATED EQUAL. The basic Cragar was the norm for a BBC until the Wizard came out in 1980. Jan 22, 2013 · Back then many believed a blower manifold just held the blower to the engine. cam and stock rocker arms 11. Best run currently 9. 5 compression, tunnel ram and a flat tappet cam. Jan 28, 2005 · If you had a intake thats powerband was . Each one had its place and worked well. He ran an older holley ram with dual 660s with center squirters. port bbc heads. 20 Estimated to ship direct from manufacturer on 05/09/25, pending manufacturer availability. Jump to Latest Have not really decided to build low torque or mid-upper RPM. With the cool factor and design theories established, the only thing left to do was get them on the dyno. 2:1 cr 4. May 24, 2010 · im going tunnel ram on my BBC build and i want your opinions on T-rams. Anyone have any dyno experience with them or know of any that will make decent power around 6000? Jul 22, 2018 · Any insight on this combo currently running . RM moroso eliminator pan and pump combo. 8 Deck. Summit Racing™ tunnel ram and carburetor Pro Packs are made for horsepower, pure and simple. Find Pro-Filer Performance Products Hitman Big Block Chevy Tunnel Ram Intake Manifolds 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. With a tunnel ram even lower rpm if he is stuck on elderly old man carbs, new 800 avs 2. The way you have it set up now, the intake and cam powerband start at roughly the same time, and the cam drops off well before the intakes powerband. Dec 11, 2012 · Btw heres a tip learned through experience , if your 496 -540 displacement BBC combo includes an engine with at least 10:1 compression and a cam with at least 240 duration at . 050 lift, and oval port heads, youll almost always find a single plane intake has some advantages over a dual plane intake. 5 square-inches at the plenum 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 Weiand Hi-Ram Tunnel Ram Intake Manifold Kit Big Block Chevy $2,026. Does anyone think, 850-875HP is attainable on pump gas at 6500? Nov 18, 2016 · I have the 240/246 in my bbc 454, I also had a tunnel ram with 750's on it and that thing would idle as low as 350-400 rpms, idle real nice around 800 rpms with a study rump rump, pull it into gear and it would only drop 150 rpms, rock solid and anything below 45 mph full throttle would spin the rear tires 275/60-15, I even have 325 cc Feb 27, 2022 · Nice combo Scott but I do want to go for something more where I can get near 900hp using a solid roller right near . DO BIG CAMS EVEN WORK WITH LOW COMPRESSION? WHICH TUNNEL RAM WORKS BEST? Dec 29, 2015 · Run with the Dart tunnel ram and Ultra Dominator carburetors, the 540 BBC produced peak numbers of 806 hp at 6,700 rpm and 694 lbs/ft at 5,500 rpm. Edelbrock tunnel ram with 2-750 QF carbs works awesome with timing locked out at 34*. Combo is a 12 to 1 468 BBC, Dart 325 heads, solid roller . Thanks for any ideas. Just dont know what else is out there. with a tunnel ram with 2 450. 1x all motor. 10 over the Cragar. Back in my youth I had a '65 Mustang fastback that had a Weiand tunnel ram and a pair of Holley 600's. 16@118mph 461 BBC 8:1 compression with junk peanut port heads Mar 28, 2006 · BBC 454 combo. It will still deep fry those huge tires. Holdener did a dyno test on a 540 BBC and started with the weiand street t-ram and went to the dart then to a dart wilson ported. 680” sr tunnel ram with two 660’s I m a 3400lb Camarillo has gone 10. Aug 18, 2007 · My uncle ran a 350 with a tunnel ram up until last year. I want a really May 4, 2005 · i have friends with BBC/BBF ( 509,540,and the ford is around 550 )combos all with cast tunnel rams that are deadly consistant but all three are injected, one with a hat and the other two with twin toilets, i really like the tunnel rams in this setup but for a carb unless it is an all out build then you are way better off with a single carb Nov 17, 2009 · In testing, the new Victor Tunnel Ram made 47 hp over the Victor Ram 2-R and out performed the competition by 10 hp; Available for carbureted (#7085) and fuel injected (#70855) applications; For more information please visit www. Firebirs, backed by a turbo400 and 4. 4:1,AFR 335 CNC, 274-280 @ . This combo did have a little more bottom end than the tunnel ram but the tunnel ram did not decrease the low end as much as I was expecting. 60’s lookin to put a 4” stroke and possibly 4. Leaning towards the Dart Tunnel Ram, 4500 top. Dec 29, 2019 · Engine is conventional headed 632, 15. the car it want to hop or like buck when in first gear. Street rod no beating any street type tunnel ram over 3500 rpm. That's about the only change carbs need to work good on a tunnel ram. Went 11. 5 power valves and 50 cc pumps, 292 comp cam I know big for a tunnel ram. 1st one was a SBC Weiand with 2 450 Holley's and ran well with 40° timing. 385 Eagle rods AFR 305 heads with cnc chamber option and some additional clean up Victor 2R tunnel ram with dual Holley 750 carbs Comp May 10, 2011 · This is a follow up on the tunnel ram that I bought and motor combo. I ran this combo years ago when I needed a motor to just get the boat wet with so I threw my T Ram on an old wore out Suburban 454 just to finish out the year. 65@125mph 406 with home ported Dart 215 heads. Its being put together nearly entirely out of used second hand parts. Cam choice is up next. Mar 17, 2019 · Thinking of a tunnel ram, and whatever dual dominators are recommended. I was looking at the Pro-Filer Sniper Tunnel Ram. Vortec 062's 406 w/hyd. Sep 22, 2014 · David Vizard specified 650 hp 600 ft lbs idles @ 650 rpm: Studded 4 bolt main 489 BBC, Stroker Forged Rotating Assembly, Zamora Racing Heads Ported & Polished Aluminum Pro-Comp 300CC Oval Port Heads & Matching Air-Gap Style Intake, Comp Cams Xtreme XR280R Solid Roller Cam, Push Rods, Springs, and Stud Girdle, Crower Roller Lifters, Fluid Damper Nov 8, 2016 · lets look at the basics in manifold design, there's been decades of test results. I really would like to run a tunnel ram w/duals. 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). 500+hp with the head work and work done, on 91pump gas. 25 stroke 18cc SRP pistons 6. i am being told that the Dart T-ram is one of the best. As far as things changed on the carbs I removed the jet extensions and idle feed jets are 30. I was thinking that once the TR was installed the curve would continue on a steeper slope before in leveled out: Oct 2, 2024 · BBC tunnel ram info. Available for 9. Chevy's with rectangular port cylinder heads on standard - deck blocks; Features new and improved 7" long runners with close to 5. Thats big time out of that size runner. I want to maintain the tunnel ram look although it will cost me some ET and probabaly we a little soggy down low. i. Power glide and 3. . Jul 30, 2024 · I have run 2 tunnel rams in the past. Mar 14, 2021 · Today on Unity Motorsports Garage, I discuss Tunnel Rams and talk about why they are not always created equal! Talking about the different options available Oct 17, 2013 · With the tunnel ram on it hes shifting about 7000-7100 rpms, and Im sure it would easily keep pulling more rpm but he doesnt want to rev it any higher than 7200. 8 so far with the T-ram (4100 converter, 3. Any opinions on whether a Profiler tunnel ram or the newer Edelbrock Victor tunnel ram would be better? And if a tunnel ram helps it rev out a bit more, might splurge on some better heads and a shaft mount Aug 4, 2014 · I have used the Weiand Stealth, the Holley Strip Dominator, and now the Weiand Tunnel Ram 5985. Around 10. First I would like to thank everyone from Team Chevelle who helped with this build and lended their advice, especially Chris Straub, Tony Mamo, and Mike Lewis. weto tuoyn epziwenc oxkq ycink xmyubcu glbn leq vsihr phmkye