3x2 carb setup For 1949-53 Ford/Mercury Flathead; Front 1-3/8" diameter oil fill; 1-1/4" road draft bosses and a raised fuel pump boss; Carb spacing is 5 Nov 20, 2009 · We started out with a trio of Speedway's 9 Super 7 carbs, all set up with their idle circuits intact, before contacting Edelbrock for a 3x2 intake and fuel block. 73, 15" Halibrand replicas, SAI mod, full bumpers, 2 X roll bars, I² electronics, PS, hydroboost, 5-lug, brakes: 95 GT front, custom MK VIII calipers/Cobra discs rear, FFR tubular Dec 3, 2018 · Rollings custom-made the accelerator linkage so that it imitates the original carburetor's setup. The acceleration rate is similar in a Corvette with a supercharger or nitrous. $1800. And, NOW you can have the same look on your SB Chevy! Perfect for muscle cars, street rods, classic hot rods, rat rods, trucks and more! Jun 11, 2019 · A 3x2 setup tends to run on just the middle carb most of the time and the throttle on the outer two is only opened in high rpm operation. Get more than a few comments at local shows with my 2x4s. The intake really comes alive at 3K with great mid-to-high rpm power, like GM designed it. There isn't a need to match the number of barrels to the number of cylinders when the outer carbs are essentially just there to allow a lot more air in at full throttle and high rpm. All multi-carb setups look good on older cars. Jun 27, 2015 · This is essentially the same intake design as a 340 Six Pack Mopar set-up so it is proven on a smaller layout. Center carb only until you hammer it then the outside carbs open as well. Install the hold down nuts and snug down progressively in a “crisscross” pattern (60-80 in. ), as shown in Figure 1. The power came in instantaneously and without stumble or jerk, and had smooth acceleration throughout the power band. No linkage or intake. Even though there wasn't anything directly about 3X2 setups for the 2110s, I took the info for the 2300 series 3X2s and applied it to the 2110s. If every thing else fails remove the front and rear carbs and install cover plates. 50 comp ratio 280 HP @ 4800 355 Torque@ 2800 Olds 3x2 Carb J-2 V8 371 9. The Stromberg 3×2 progressive is delivered with the sliding rod from center (primary) to outer (secondary) carburetors fixed at the top hole on the center lever, and set to push the rear carburetor open. Fuel mileage is good, till the outer carbs start working. Oct 7, 2004 · The only difference between the correct front carb C2SE 9510-E/List # 2498 and correct rear carb C2SE 9510-C/List # 2499 is the dashpt bracket on the front carb - the internals are the same (jet size, metering block, etc. They also had to swap the straight fuel fittings that come out of the right side of the throttle Apr 11, 2019 · On our friend’s 57 Chevy, it had a 283 with a 4 barrel carb. They have a little bit of of a tendency to run lean on the center two cylinders but with jetting that can be addressed. Nov 1, 2008 · It looks great. Spray carb cleaner around the bases etc. The key would be a well designed tri-power to work with your combination (some of the SB Chevy 3X2 intakes are really pretty poor designs but work passably well on small inch lower HP applications). 00 shipping. One of the key factors in how much butt an engine can kick is how fast it can consume fuel, and with the 440 Sick Pack's 3x2 carburetor setup, it could gobble the juice, turning it into Apr 29, 2024 · I do not want to cut this up and deal with possible sealing problems etc. Feb 26, 2021 · Holley's Tri-Power 3x2 Intake and Carburetor set still has a place in a world filled with modern engine swaps and EFI conversions. "Apparently" all I need to do with the idle system is turn the idle screws in tight on the front and back carbs and let the center carb take care of the engine at idle. Carburetors have been modified for street performance (larger idle jets, more aggressive metering, etc. Check out my (L76) other listings. Anyone can see in real time, on the road, what the engine is seeing for air/fuel ratio. This sub assembly plate was designed to ensure that your 3 X 2 setup arrives safely. Does anyone have a basic tuning guide for a 427 3x2 carb setup? The engine is an all-stock, numbers-matching setup and the car lives at near sea-level Find Holley Tri-Power 3x2 Intake and Carburetor Kits and get Free Shipping on Orders Over $109 at Summit Racing! The world famous Holley Tri-Power carburetor system is legendary in Chevrolet circles. See our for more information on using the 9 Super 7® in a 2x2 or 3x2 carb set-up. Mar 27, 2007 · My only experience with a tri-power setup was on a '65 Pontiac 421 with the tri-power. (idle-5500 rpm) Kit includes three chrome May 1, 2015 · After fifty years of spending too much time guessing about WIGO with carbs, I got a direct reading O2 meter and learned how much I didn't know. 50 comp ratio 300hp @ 4600 410 torque@ 2800 Super 88 4V V8 371 9. I never had any issues with any cylinders running lean. This set up is built with small base Rochesters, and it's basically set up like 2 Tri-Power setups. Mar 31, 2020 · Here's my 6x2 set up that I run a progressive linkage on. Tune the car as desired then reinstall the 2 carbs. If problem comes back it is most likely a vacuum leak. I built my setup with a new intake, used carbs from swap meets and new bases for the outside carbs without idle circuits. If you try to use three primary carburetors, it will be This tri power kit uses the Edelbrock C-357-B S/B Chevy 3x2 intake with Speedway's 9 Super 7® carbs. The 3x2's that he can find are all 289/302 manifolds. Aug 9, 2007 · The 2 center carbs operating full time and the end carbs kicking in when the RPM is higher. The manifold has a balanced 180° firing order port runner arrangement. The center carb will be bolted on "out of the box", but the outer two will need to be made into secondaries. Was looking for a similar set up years ago when I found an original '57 2x4s intake and went that direction. When all is good, hook up your linkage and begin adjusting when you want the secondaries kicking in. Jul 27, 2015 · We really didn't expect the Tri-Power to exceed the previous test's numbers as this three-deuce setup is a nod toward image as anything else. I also had to add restrictors to all 3 idle circuits because it was just too rich. 300-522. Does not include Thermostat Housing : Hol-7550. i. Jan 21, 2019 · Probably hard/expensive to find today, but the stock 348 Chevy 3x2 setup has secondary carbs with the non-idle bases. I set the idle mixture screws on each carb according to "the book", but he says this set up may need more richness, so adjust the end carbs to provide more. It's an 8-71 on a 582 BBC, the carbs are large base Rochester 2g's. Stainless steel fuel line is CNC bent to feed each individual 9 Super 7® Speedway 2 Barrel Carburetor. When the power was necessary, the other ½ kicked in and it seemed fast. Ford sold the aftermarket 3/2 setup as a cobra add-on. Summit Nov 7, 2013 · I was thinking about a 3x2 setup for my 40 or a future project. The front two driver's side carbs are the primary carbs. separately. /lbs. Oct 13, 2016 · When set up with a progressive throttle linkage, such as Speedway part number 5606271, this type of three-carb system will operate like a modern four-barrel carburetor: idle and cruise on just two barrels, with the secondary carbs letting in more air and fuel as the engine needs it. It's runs great on the street and the track. It contains an exhaust gas heat riser and offers excellent performance potential. it's less money but won't look the same. The blue thunder manifold is suposed to be a correct repo. Air cleaner has what appears to be a thunderbird logo and a 302 badge. pros and cons on either setup? going in a 1800 lb highboy roadster with TH350 thankx Feb 17, 2019 · V8-348 3x2 Barrel 9. Jun 17, 2013 · I'm using 3 new "Genuine Stromberg" repops (not speedway's) so there won't be any need to rebuild. ) but auxiliary air valves are still present, so the set-up can be used on performance street engines. (I have an Offy manifold) Nov 3, 2015 · When the carburetors are set up properly, the feeling of an additional four barrels opening is exhilarating. Our Complete - SBC 3x2 System - with 'As Cast' Offy Intake - Optional Gold Diechromate Carb Finish Our Standard Finish Clear Ceramic Coated Intake - with Optional Show Chrome - Show Polish & Custom Paint treatment - contrasts of finish makes it all pop! Jul 14, 2015 · Once the second carb is on add the last cab and again, without the linkage installed make sure the engine runs well on the center carb without any vacuum leaks. Carbs appear to be rebuilt. Oct 16, 2000 · This is a FE tri-power setup with all the goodies, including the progressive linkage, air cleaner base and top and fuel rail. Looking at 3x2 or 2x4 carb setups It's a mild built 1st gen 350, punched 30, mild RV cam. T-Bird carbs are list #2497/2498/2499, primary and outboard carbs are also 330/350-cfm. Use the Holleys as were used on '67-69 Corvettes, or if you want the fuel feed on the right, use Nopar 6-pack carbs. Building an axle dollyWhen it comes to classic hot-rod components, nothing gets people going 3. The previous owner reports that the carbs were rebuilt a few years ago, but (based on the rich condition) some carb tuning/jetting is needed. Nov 8, 2014 · Found a guy selling a 3x2 carburetor setup without the intake. 50 comp ratio 277hp @ 4400 400 torque @ 2800 Hassles? again, blowing smoke. 00. I also have a Navarrao 3x2 Flathead intake for sale on H. This high quality linkage features ball bearing joints which are needed to create a progressive tri-power 3x2 set-up. Oct 16, 2012 · I found that treating it like a 4 corner idle 4bbl works great. Holley 108-127 Holley Air With this kit you can use three junkyard 2G small base style Rochester carbs and put together a three deuce set-up for a fraction of the cost. There's nothing cooler than a TriPower on your small block Chevy, but good carburetor cores are getting expensive and hard to find! With this kit you can use three junkyard 2G small base style Rochester carbs and put together a three deuce set-up for a fraction of the cost. 5 roadster (MK IV body retrofit to MK III chassis) 351W stroked & poked to 396 c. The end carbs have had the idle circuits and chokes deleted. 97's Turbostude rebuilds his 94's Powervalve issues and The 3x2 setup on the Six Pack was designed to supply part throttle economy on the centre carb while the outside carbs kick in for power. So I figured I would start on the outer two. Our new stainless steel 3-into-1 fuel line for your 3x2 Carb setup, adds just the right clean, custom touch to your project. Building a Tri-power that works……Putting together a six-pack…. Chevrolet (shown here) used the three-carb setup to good effect on high-performance versions of its 348 CID V8 from 1958 to 1961. Nothing says "late 50s - early 60s" custom street rod more than a multiple carb set up. If installing all three carburetors at this time, install the center carburetor and then the two outboard carburetors. This is just a cruiser for around town cruise nights ect. Apr 8, 2022 · Here is a finished 3x2 Rochester 2G setup on a 327ci small-block Chevy using an Edelbrock intake along with the Edelbrock chrome oil filler tube, vintage Edelbrock valve covers, and a custom Nov 4, 2003 · The end carbs of a 3x2 setup have thicker throttle blades than regular carbs so they don't distort under high-vacuum conditions. , custom 4 bbl mass air EFI, Quarterhorse (self-tuned), AFR 195CC Renegade, XE274HR, GP 4 into1 into 4 SS headers, 3link, 3. Nov 1, 2021 · Does the Stromberg 97 model #9510A carb come with a choke? Do I need a choke on the center carb only or all three. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs. Thanks. Figure 1 - Carburetor torque sequence May 19, 2021 · Only the center carb is adjustable on a true tri power set up. if the engine revs up you have vacuum leak. This progressive throttle linkage set is designed for "small base" Rochester 2G/2GC tri-power carbs on small block Chevy intake manifolds with 5-1/2" carb center spacing. The option cost just $83 extra, and the 3x2 carbs upped the Rocket V8 horsepower from 277 with a four barrel to an even 300. Place the carburetor on top of the flange gasket on the manifold. The center carb is the primary, and the outer 2 are the secondary. Upon unpacking the 3x2 setup, notice the carbs are preassembled and mounted on an aluminum sub assembly plate. This time on Engine Masters, we're shooting out three of the coolest vintage Six Pack designs to find out which is gimmick, which is greatness, and which makes the most power on our street 440. Actually, Pontiac officially coined Nov 30, 2007 · MK 3. Intake is an Edelbrock C357 on top of a 283 with a 327 crank. want alot for the looks but still want it to be usable. The linkage is progressive and adjustable so it works like a four barrel carb with mechanical secondaries. I set up the linkage to open both outer carbs at the same time. Pre-Owned. With Holley Tri-Power 3x2 intake and carburetor kits, you can have the same look on your SB Chevy. $1,625. Kit includes two brand new throttle body base plates for the secondary carbs, gaskets, jets, power valve, modified piston Sep 14, 2023 · Thinking of changing up the look of my 26 Tudor. M. Opens in a new window or tab. With that said, I am going to either sell the intake with the carbs, sell the intake and keep the carbs and buy the correct intake for my 400 OR I am looking at this from Speedway: #9251220 Plain 9 Super 7® 3x2 Carb/Edelbrock Intake Kit, 1955-86 S/B Chevy. With 3-2's and progressive linkage you run on the center carb till you call the two outer carbs in to play by opening the throttle past about 1/3 to 1/2, depending on your set up. Holley 3x2 SBC carb kit, shiny. There's also the list #3208 carbs made only in 66' but have powervalves in all three and are rated at 300-cfm each, the first two are better carb sets then the #3208's. I would appreciate any advice on choosing the right carburetors for my 3x2 setup. The 3x2 is my next favorite setup, along with old school multi carb setups. I see that Stromberg 97 model #9510A-C comes with a cable choke bracket. A progressive linkage kit was Jun 22, 2024 · Brand New (still in boxes, never installed nor used) Barry Grant Demon 98 3x2 Carburetor Setup: $3,000 Shipped (48 States + Maybe Canada) This would be a GREAT setup for a Flathead, Y-block, Hemi, or Nailhead. He's asking $400 for the 3 carburetors and air cleaner. (idle-5500 rpm) Kit includes three carbs Oct 31, 2021 · Considering running a 3x2 holley carb or a 2x 4bll set up on a slightly warmed 350 sbc. Holley to Rochester adaptors work spiffy to bolt the carbs to the manifold. Apr 29, 2024 · The very first factory 3x2 Tri-Power setup became available on the 1957 Oldsmobile. Holley 108-127 Part Number: 510-108-127. They were the ultimate power statement, coming factory on cars like the 1967 427 Corvette. Nov 4, 2002 · The primary is 330-cfm and outboards are 350-cfm. 1964-1965 Pontiac LeMans GTO Tri Power 3X2 Rochester Carburetor Intake Set Up. Jun 3, 2019 · You are correct in calling the three-two-barrel (3x2) carburetor setup a “Tri-Power,” as it caught on real quick when they first appeared way back in 1957. Does anyone know if there ever was a 3x2 carburation setup available for he Windsor or we just wasting our time? TIA. Three Deuce carburetor setups come with two "secondary" carbs for front and rear intake position and one "primary" carb for central/middle position; All-new tooling for crisp, flawless castings May 11, 2011 · Obviously, the one/all of the carbs is too rich. He has conducted lots of web searches to no avail. I actually have FI now on it & want a carb set-up, mainly concerned if it will fit under the hood. B. So, I think I'll work through this and then report back. I was looking at speedways 9super7 carbs the other day and noticed what seems to me they eliminated the adjustment screws on the outer 2 carbs or secondary carbs and you have adjustment screws on the center primary carb. Some people here have used trips for decades, some can't even understand points ignition. Street Warrior Intake Manifold NON EGR 262-400 1955-1986. 99% of owners will choose a single 4bbl set up for 1 of 2 reasons: cost total performance/racing Oct 8, 2004 · My son is restomodding his 351W powered 69 SportsRoof and has been trying to find a 3x2 setup for it. A. Excessive force could damage the carburetors. ), and the mounting points for the dashpot bracket (which uses the mounting bosses for the choke) are on all the carbs. Do NOT attempt to operate the throttle as the plate is not machined so the butterfly’s can open. Tri-Power factory-replacement-style linkage set (5-1/2" carb centers) Ball bearing joints For Rochester 2 Thanks hotstuff. I need to get a wideband hooked up so I can see what's going on. I understand that my 57 Corvette even had a 3x2 setup in it back in the mid 1960s. Good buy? Jan 3, 2009 · I did the crossram 2x4 setup and love it, multi-carbs are fun. Get a vacuum gauge and balance all three carbs so each is set the same and contributing the same air/fuel mix to the overall engine. Now, I won't touch a carb, not even think about multiple carbs, without the O2 meter. or Best Offer +$200. Kit includes two brand new throttle body base plates for the secondary carbs, gaskets, jets, power valve, modified piston, idle tubes, plugs, hardware, and new throttle shaft and butterflies for the May 18, 2000 · The important thing to remember is to stay away from Rochester carbs. Since GM offered a 1x4 or 2x4 carb option, why would somebody go with a 3x2? Seems to me that Jan 29, 2007 · john1964 is correct. The drivability was stock and made driving in any kind of traffic normal and fun. It was set up to run on the center carb, with hard linkage to bring the end carbs in at about half-throttle. Holley Air Cleaner Gasket D-Shaped 3x2 Carburetor Set of 3. Dec 10, 2009 · He also recommends finding a true vacuum port on the intake and adjust the carbs to get the highest reading. Oct 11, 2023 · Jeff's Nomad, love the look of the 3 deuce set up on your engine. We got a hold of the 3 two barrel carbs on an old manifold and proceeded to be backyard hot rodders with that set up. These The world famous Holley Tri- Power Carburetor system is legendary in Chevrolet circles! They were the ultimate power statement when they came factory on cars like the 1967 427 Corvette. . Dec 13, 2009 · C1 & C2 Corvettes - C1 - 3x2 Setup - Why? - Looking thru some of the old photos I have, I found one showing a 1950s Corvette with a 3x2 setup. Carburetor steel pieces have been electro-plated, and the set-up will show well, as well as perform well. Nov 1, 2017 · Cadillac offered Rochester 3X2 induction from 1958 through 1960, replacing the expensive 2X4 Carter system used to that point. 1. The trick is keeping clean fuel in three carburetors on a vehicle that is rarely driven. Dec 3, 2006 · Honest answer, chances are at best you might get the tri-power set up to run as well as a single 4 BBL. There is a company in New Mexico called "pony carbs" I think that makes a setup that uses Ford 2 barrel carbs instead of holleys. SBC Chevy Tri-Power Setup This tri power kit uses the Edelbrock C-357-B S/B Chevy 3x2 intake with Speedway's 9 Super 7® carbs. It was called the W-code J2 option and topped off its powerful 371-cubic inch Rocket V8 with three Rochester two barrel carbs. The other carbs are just throttle bodies. The three individual fuel lines connect to a classic round bar fuel block near the manifold that aligns with the valve covers for a consistent, clean look for your Dec 1, 2015 · The two outside carbs have no idle circuits. Aug 14, 2008 · Sync your carbs with a uni-syn Spark advance article by Barney Navarro Excellent article on rebuilding 94s Jets and PV discussion EXCELLENT Post on multi carb setups Dual 94's on a flatty how to setup Rebuilding a 94 Rebuilding 94's and multi setup info Scooter Asks about 94's 94's vs. You simply can't beat the stunning looks of a tri-power setupnor can you beat the noise! Set all three carbs on the manifold with no linkage at idle. Pictures and more info a Ford FE Tri-Power intake and carb setup: Complete - 332-428 Ford FE Engine Forum See our for more information on using the 9 Super 7® in a 2x2 or 3x2 carb set-up. Aim for the maximum vacuum from all three carbs. SBC 3 x Carbs Standard zink coating - Linkage 4in Air Cleaners Chrome and Stainless Fuel Block and lines: CUD4897: WEIAND 3X2 DUAL PLANE INTAKE- CHEVY SMALL BLOCK V8. It has progressive linkage to give you good driveability and economy, but power when you need it. I managed to find a set back in the 80's and still have them on my roadster's SBC. scibvks rphlvdx nws emaid aodbt llumxz ughnz tcep udtwdlu wzt