Carb intake manifold for tbi heads. I believe the TBI sits on top of the adapter.

Carb intake manifold for tbi heads. it has after market aluminum heads which were bought from the machine shop and he uses them a lot. Nov 17, 2021 · I have a 89 C1500 with a 350 engine. This set up was used on the Mark IV engines (1987-1990). 75 TBI Throttle Body for 2 Barrel 4412 500 350 2300 CFM Holley Manifold Early Autolite Carbs Compatible with GM Compatible with Chevrolet 5 $2880 Save 10% with coupon Advice on swapping my TBI fuel injected system and intake manifold for a Edelbrock 4 barrel carb and Edelbrock intake as well as a bug catcher scoop? (Chevy C1500 1988 5. Jul 23, 2014 · I am going to use a wiend speed warrior daul plane high rise (ive used one before on a tbi to carb motor and had good results) intake, 650 dp or 670 street avenger ( the avenger I also used on before said motor with good results). Jul 22, 2012 · I have a 1995 S10 Blazer with a 4. To be frank, if you really want to hot rod it out, I would sell it and get a 73-75 square. thats all i needed to convert my 91 from tbi to carb hope this helps somone Jan 14, 2018 · I’d look at a nice dual plane carb intake and an adapter to run the TBI on the carb manifold. Just wanted to know if you can put a TBI Chevy 350 intake and the TBI heads and put them on the earlier style Chevy 350 block assemblies. d. You will have to find a TBI intake that is built to fit on the Vortec head. No to intake manifold, it won't directly fit on Vortec heads due to the mounting holes being drilled differently and a lack of the EGR plumbing your factory TBI intake uses. 7 350 V8). Apr 3, 2025 · They use a different intake and distribute fuel differently, which for a custom engine – is often a good thing! You'll need several parts to make a carburetor work in your TBI vehicle. The Edelbrock Performer Intake Manifold 2104 enhances engine performance for street vehicles, offering improved power and efficiency. I believe the TBI sits on top of the adapter. Aug 11, 2023 · You can run a Vortec longblock with a TBI adapter on a Vortec "carburetor" intake. Jan 6, 2011 · I have a friend that said you can put a tbi intake on a carb motor you just have to re-drill 4 holes? Would you have to change the heads and cam on the old block to make it work or would they be fine? He has a tbi motor that junk and a 80,000 mile carb motor that is good. 7L) Chevy Throttle Body Injectioned (T. I would prefer to buy 1 intake, that will work for this TBI engine and the gen1 alum heads i'll eventually buy for the 383 (i want to run a Edelbrock Perf RPM intake). It looks like there is a bit of modification needed as well as updating to better fuel delivery and Feb 20, 2024 · I’ve been told its possible by changing the heads and intake manifold but what els need to be changed and how do you deal with the computer not detecting the engine or whatever Apr 19, 2020 · Can I get rid of the TBI and wiring mess and use a Edelbrock or Holley carb on my Stock intake. If you use the carb intake you will loose the EGR. The EGR plug runs another $23 on top of the $470 for the manifold, and the coolant hose from the water pump to intake manifold is also not a very well defined variable. no need to hog out 4 center holes on this intake as it bolts directly to tbi heads. Nov 16, 2014 · I want to run the 96 TBI truck engine I have with a carb while I save up for the 383 stroker I will eventually build from my high nickel 76 4bolt main truck block. The 2 center Oct 5, 2009 · You can get the GM Performance Parts vortec to TBI intake manifold=$$$ or just get a carb intake manifold for a vortec and use a TBI adapter=$. I don't know what kind of Carb. I. Will a intake manifold from a older carburetor engine bolt to the Vortec heads and work? Thanks Scotty Jan 14, 2013 · I'm looking for a carb intake that fits 87-95 small block TBI heads to go on a 383. 1" Thick and CNC Machined From 6061 Aluminum Engineered To Install A 4 Barrel carburetor to a TBI Intake Manifold Smooth Transition To Improve Air Flow Fits Both Square and Spread Bore 1. 75" bore throttle body injection 1" thick Fits Pattern 2-barrel Manifold 500 350 CFM early carbs Alloy Durable Good Quality It is made of solid alloy with high finish. Feb 20, 2020 · Buy Khaos Motorsports TBI Onto Carburetor Intake Adapter (fits) Holley and Edelbrock 4 Barrel Intake Manifold 4 Bolt (2" Dual Plane): Intake Manifolds - Amazon. Feb 18, 2017 · I then pocketed and ported the '85 heads to run 205 CFM at . No commercially available EGR block-off plates are available. A TBI adapter will fit a spreadbore intake much better than a squarebore intake. Therefore, buyers were eager to recommend it to friends and would-be buyers. - There is no currently available intake that mounts the TBI to the Vortec heads, this would take using a 4bbl Vortec intake with a TBI adapter plate. Either the gm TBI/vortec intake or a vortec intake for carbs and use an adapter for the tbi. So I bought an entire Head gasket/intake gasket set and pulled the heads and put it all back together. however, if you want to go carb it's not that hard. Jan 22, 2013 · Hey y'all. 0" For Big Block Includes All Hardware and Gaskets For Installation Made In Grand Rapids Michigan USA Lookin Jan 12, 2012 · There are many adapter plates available for the TBI to 4 Bbl conversion. Now Sep 27, 2016 · I have a good used 350 tbi motor. Mar 22, 2007 · Small block vortec heads are drilled different tbi style heads for the intake manifold. i already know i will need a intake manifold, carb, HEI distributer Jul 13, 2011 · So far, I have ordered a Summit Racing Stage 1 Square-bore intake that will bolt right to the Vortec heads, allowing me to simply use an adapter to keep the TBI, and the ability to go to a carb later if I wanted to. They make an aftermarket intake for a carb but I'd like to use a Apr 25, 2025 · When swapping from the factory throttle body injection (TBI) system to a carburetor on a Chevy or similar engine, understanding the role of the intake manifold is critical. Jun 23, 2010 · Buy GM Performance Parts Intake Manifold, TBI Throttle Body Flange, Single Plane, Aluminum, Natural, Vortec, Small Block Chevy, Each: Intake Manifolds - Amazon. Vortec intake is only eight bolts and the TBI intake is 12. i. Nov 30, 2023 · When it was my '88 K1500, I installed ancient Trick Flow aluminum heads, an old-bolt-pattern ZZ4 intake manifold, and a TBI adapter plate. Mar 5, 2004 · You will have to convert the valvetrain to match the self aligning set-up on your stock heads and you will also have to use a pre 1986 intake manifold or modify the 4 center holes on your current intake. Shop now for fast shipping and easy returns! Edelbrock Chevrolet Throttle Body Injection (TBI) Performer Manifolds are dual-plane, low-rise intake manifolds with a 180-degree firing order, and a patented runner design that delivers outstanding performance with crisp throttle response. Find Intake Manifolds, Carbureted Vortec Cylinder Head Type and get Free Shipping on Orders Over $109 at Summit Racing! Nov 8, 2013 · I found that my intake manifold gasket was dripping antifreeze in the drivers side front. com: Automotive Aftermarket Performance Parts by Jul 28, 2014 · The factory L31 production head takes a unique intake because of intake bolt pattern and intake port height changes. 50 with 2. I tested the TBI to carb adapter and it's a game-changer for my engine! Say goodbye to performance issues - upgrade with this must-have adapter now. Stick with the 350 injectors and get an adjustable fuel pressure regulator and a high flow fuel pump. A buddy of mine in his TBI 87 Blazer has a mild Edelbrock setup, all perfectly legal. The wide range of Chevrolet Performance intake manifolds means there is an ideal manifold for your every need. The manifold is just north of four bucks. In regards to intake I have done 4 of these swaps mild to wild and I found fuel percolation to be an issue. A good set of Sep 12, 2012 · Within reasonable constraints, of course: a mass-market dual-plane aluminum manifold in good condition that fits the carb you plan to use and isn't massive overkill for the heads. 02 intake valves, and 1. Apr 18, 2014 · i can latch on to a 350 chevy that has TBI with the straight up center manifold bolts. Feb 6, 2023 · Most customers found that the manifold is a carb intake and you might need an adapter for the TBI system. Dec 22, 2024 · The Performer 454 TBI manifold delivers outstanding performance for the street with complete emissions compatibility. I'd switch to Vortec heads (96 and up) then buy an intake that fits Vortec heads. Again, the EGR was a royal pain, and numerous other issues needed rework or fabrication. the head bolt holes are the wrong angle. ? Doing a tbi to carb swap on an 89 2500 5. The swirl port heads flow well Jun 23, 2007 · I wouldnt use this intake on a TBI truck because you can use a Vortec style carb intake with the TBI unit on top of it using an adapter plate. Get a carburetor, a prospective electric fuel pump, a distributor, and a transmission computer to start, followed by a potential intake manifold or TBI to carb adapter. May 7, 1991 · Customer: Hello. . I can use. My questions are which intake to use, and headers or manifolds with out smog? This will replace the 305 in my 1983 k10. Would all the sensors Edelbrock 3704PK Small Block Chevy T. Can't seem to find much on Google at the moment, but, I have 3 of them in the shop, I'll get the part number when I go out there. not for vortec heads. Nov 21, 2004 · The intake manifold directs the air or air-fuel mixture from the throttle body to the intake ports in the cylinder head. With the complete Edelbrock Total Power Package 0-60 times improved by 1. 7 Vortec engine that has the original TBI intake manifold manifold on it. Sep 13, 2013 · Engine is the stock 350. The TBI water pump shouldn't be used on the Vortec block without drilling the coolant bypass in the heads and block. The motor is blown in 98 but the motor in the 95 Blazer runs great. performance. water jacket similar to stock. Also running with 2. Get an intake manifold and carburetor combo kit for your engine from Edelbrock, SCAT, Holley, and Summit Racing. 3 vortec intake that I want to put into a 1998 S10 Blazer with TBI intake manifold. Just remember that the water pumps are different. Jul 25, 2023 · While swapping TBI to carburetor, you must install/replace these compartments accordingly: the intake manifold, distributor, fuel regulators/ electric fuel pumps, transmission system, air filter/cleaner, and, of course, the carburetor itself. Horsepower gains from idle to 5, 500 RPM, when used with Performer Series square-bore or Thunder Series AVS carburetors. I have opinions on what headers I think are best but I haven’t yet used them so can’t give first hand feedback. I want to do Chevy Forums FREE technical assistance for your restoration and repair. In either case to use the Vortec TBI intake manifold, the engine must have Vortec heads. 5L TBI that has done nothing but give me problems and i want to convert it to a Carb. The big issue is CFM through the TBI openings. 70 seconds (includes manifold #350-3764, cam kit #350-2162 and Tubular Exhaust System). My question is if I use the performer intake that I have on the shelf with a tbi adapter would everything work correctly? Jun 29, 2021 · TEKTALL Product Description Tektall Intake manifold adapter for chevy TBI adapts a small block 1. Mar 20, 2021 · You can get the GM Performance Parts vortec to TBI intake manifold=$$$ or just get a carb intake manifold for a vortec and use a TBI adapter=$. Oct 13, 2019 · I have modified intakes to fit the late 80's heads, and although it worked, I don't like the idea of carving up a nice manifold. Jan 19, 2024 · I have a 1989 Chevy truck 5. What I am trying to find out is would the heads off of a carbureted chevy 350 with a carbureted intake work on a TBI engine? I have a set of Camaro heads from the mid 80's I had on my 84 1500 that are Nov 19, 2024 · Negative, Ghost Rider. For 305 and 350 V8s with OEM T. My thought currently is to carve up an old manifold to manufacture a drill guide. 8L and 4. I realize I’ll need to make some changes to the fuel tank (fuel pump) and add an external electric pump but my main question is about the intake manifold. 7 (350) TBI motor that I would like to convert to a Carburetor setup. 1987-95. Chevrolet Performance intake manifolds were designed specifically for GM engines, so you know they will deliver O. Both engines are internally balanced, so flywheel can be reused. This design features an open air space that separates the runners from the hot engine oil resulting in a cooler, denser charge for more power. I am planning on installing a comp cams 12-300-4 cam. com FREE DELIVERY possible on eligible purchases Mar 7, 2017 · Chevy Performance does for $500 plus the EGR valve is in a different position than stock TBI or this Edelbrock 3704. My truck has been running way rich for a Apr 22, 2020 · really I though you could put any intake on a gen v you wanted and you just can not swap heads because of the water jackets and then when the vortec came out you could swap heads again. The first one was a 2-piece unit using a 4bbl carb intake with a coolant heated spacer. Cam, heads, intake manifold. Mar 23, 2014 · Today I was installing an ELderbrock tbi intake on to my newly rebuilt 350. Assorted nuts/bolts, brass fittings, hose clamps, etc. - Most aftermarket aluminum heads including those discount imports will mount both the 55-86 bolt pattern and the 95-2001 Vortec pattern so either works. Discover Carb Adapters Holley Edelbrock Carburetor Onto TBI Intake Manifold Adapter 3 Bolt 1" Thick and CNC Machined From 6061 Aluminum Engineered To Install A 4 Barrel carburetor to a TBI Intake Manifold Smooth Transition To Improve Ai Jun 16, 2020 · I have the RPM manifold on two of my other daily usage vehicles with Vortec heads. The reason it won't fit is the bolt patterns are different. Find top brands, exclusive offers, and unbeatable prices on eBay. Is there an intake manifold that will work with these heads, and still be compatible with the throttle body injection. You can keep it with the gm intake. I think the only difference is the four center intake bolts are drilled at 72 degrees instead of the SpecialistNew2962 Carb intake on tbi heads Has anyone ever put a carb intake on tbi heads? I know you can buy a special intake that perfectly matches tbi heads. Dyno tests show that the power gains an extra 5 horsepower, 9 foot / pounds and torque across the entire RPM range over their own performer manifolds. The standard TBI intake manifold will not fit on Vortec heads. The flow typically proceeds from the throttle body into a chamber called the plenum, which in turn feeds individual tubes, called runners, leading to each intake port. only produced 0ne or two years RARE. Apr 12, 2010 · a big truck like that will never be a huge performer. To fix it I would recommend a low profile air gap dual plane style intake with a 1/2" plastic carb spacer to keep the carb as cool as possible. I want to run a big block throttle body and don't want to hack up the Edelbrock TBI intake I currently have. Intake Manifold Intake manifolds on a TBI car distribute fresh outside air to the cylinders in your engine. Small Block Chevy Intake Manifold - 3704 (1) Edelbrock Performer-Plus Camshaft Kit Small Block Chevy 305-350 (TBI/LG4) - 3702 Emissions Note: This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed Feb 23, 2000 · I paid about 3200 all together (10:1 compression longblock with l-79 cam and camel hump heads, projection efi manifold, 670 cfm tbi, headers, k and n, fuel pump, prominator, and labtop all bought NEW) and ended up with a 330 hp 390 ft lb TBI 355 Nov 16, 2020 · I find these heads like a lot of advance in the base like maybe 14 to 16 degrees with 7 or more vacuum off a full time port. Mar 25, 2010 · The heads will bolt to the block fine but you will need a specific intake manifold. HEI, carb, intake, and return style regulator with gauge and a low oil pressure switch for the pump should cover most of it. The spread bore requirement reduces the selection Designed for street small-block Chevys with 1987-95 cast iron heads, this new intake features the air-gap design for the ultimate street performance in the idle to 5500 rpm range. I want to remove the heads and install vortec heads with a carb. Mar 1, 2021 · If it still has the TBI heads (Which are the worst flowing production GM heads ever) you will need a TBI intake manifold. If so I would like to use it for a while until I get to the rebuild of my engine. do i have a non compatible setup? do Oct 28, 2016 · tbi No it's not bad, just wanted to flow better and I changed heads from the swirl intake port to and older gm head 993 heads, which I ported and pocketed. Is there a 2 barrel carb with or without needing an adapter that will fit on the TBI intake. 5 exhaust. May 30, 2014 · You'll need an intake with the center bolt holes at the 87+ angle, or you'll have to elongate the holes. Either a Walbro or ACDelco EP-241. 7" For Small Block And 2. No commercially available EGR exhaust manifold to intake manifold tubes are available. They add nothing for power and they introduce a much greater likelihood of leaks. I Performer Power Package Includes: (1) Edelbrock Performer T. Oct 22, 2024 · Look up bolt spacing to verify the Edelbrock carb bolt spacing is the same for the bracket . 95 exhaust valves. com FREE DELIVERY possible on eligible purchases Edelbrock. Oct 5, 2021 · Performer Vortec Intake Manifold for 90 Deg GM V6, 200-229-262 c. Jun 27, 2015 · There were 2 intake setup for the TBI 454 engines. Nov 14, 2015 · Does anyone know if there is a way to modify the typical small block chevy aluminum intake manifold to fit 87 and up 350 iron heads? I am asking because I am unsure of all the differences. Supposedly, the aluminum performance manifolds operate on the Zurmholtz (sp?) principle of velocity of intake charge, optimizing the intake flow to each cylinder. Dec 21, 2011 · You could use a TBI adaptor (others are available, I believe Trans-Dapt are the least expensive) on a Vortec carbed intake instead of the GMPP TBI Vortec intake, this option could be cheaper if you can find a used Vortec carb intake. Oct 12, 2022 · What's up guys andchicks. Shorty headers are absolutely terrible sorry. You'll either need the GM Performance Parts TBI intake, or a carb intake with an adapter plate. Dec 3, 2018 · Good morning to all. Any ideas? I have seen that edelbrock has a tbi performer intake manifold, but I wonder May 20, 2020 · Edelbrock Performer Vortec Intake Manifold for all Small-Block Chevrolet 262-400 c. While this works OK, especially the part about the hot water passage under the manifold, I don't believe the late model El Camino has enough hood clearance. i like the tbi for the driveability. The Gen V 454 (1991-1995) got a 1-piece where the heated passages are internal in the intake. That makes it more difficult to upgrade. You can use either one on your 1995, but the 1-piece unit is a better flowing intake - either intake setup Aug 9, 2019 · The Vortec manifold has eight bolts, two on each corner, drilled vertically, higher on the head, versus the TBI intake that has two in each corner, drilled perpendicular to the mounting surface, and an additional two in the middle of each side. I have aluminum heads that I will eventually get built and put on that has the same bolt pattern as pre 85 heads. The installation hardware and installation sealing gasket are as shown in the figure. B. Top it off with a msd distributor set at 10-14* initial and 36* all in by 3000. Nov 20, 2015 · Hey guys, still a little new to these TBI 350s so sorry if this sounds like a dumb question. I also have a good running Qudrajet that I can run on it, but I can't find an intake that will mate up to the heads and accept the bolt pattern of Explore a wide range of our Intake Manifold Tbi selection. Vortec intake manifold bolt are vertical, compared to the original design of angled. 7 with TBI back by a 700R4. 75 TBI Throttle Body for 2 Barrel 4412 500 350 2300 CFM Holley Manifold Early Autolite Carbs Compatible with GM Compatible with Chevrolet Mar 26, 2020 · Designed for 1987-95 305/350ci (5. I was looking at intake manifolds and the only thing I'm seeing is the Chevrolet Performance tbi manifold that will work with vortec heads. They're about $430. I have a holley strip dominator intake manifold and can't figure out why I can't get Aug 8, 2004 · HERE IS WHAT I FOUND IT SHOULD HELP YOU OUT Parts required: Carburetor Carb intake manifold Non-computer controlled distributor (complete) Either a: 3 port AFPR and fuel pressure gauge Or: a carb fuel pump and in tank pickup A set of intake manifold gaskets Some small pieces of sheetmetal a throttle return spring and bracket. Bevinsee Intake Manifold Adapter 1. earlier 454 tbi's just used a 4 barrel intake with a tbi adaptor-- so installing a carb is simple. Intake Manifold Adapter 1. the middle set of bolts will not line up. Feb 11, 2006 · You need to get an intake for a Vortec head or I think you can drill your existing intake to match the necessary holes. Thanks for any input. There is only so much air any given If u want to put carburetor on tbi motor or put tbi heads ( center bolt valve cover) on your motor this is what u need. Start with a potential intake manifold or adapter, get a carburetor, potential fuel pump, distributor, and transmission computer. While apart the TBI horns/ridges were ground down and radiused into the bore and polished. I manufactured 4 hole spacers to adapt them for the Quadrajet carbs I use on all of my street vehicles. If I had a TBI truck that i wanted to use Vortec heads on, I would use the Edelbrock Vortec style Performer RPM Airgap ijtake manifold. Apr 3, 2013 · Regarding physical interchange: Yes, the heads in this group physically bolt on to your existing short-block but require a unique intake manifold and corresponding intake-gasket set because the Jan 26, 2009 · 350 TBI convert to Carb and Intake Discussion in ' The Hokey Ass Message Board ' started by buildinga55, Jan 26, 2009. The intake manifold will sit with a 1/2 inch spacer adapter to be able to run the TBI injection. I’m not doing that. Oct 15, 2024 · hey all, first post here, i have a 1988 chevy k3500 with a TBI 350 SBC, ive decided i want to carb swap it, ive already made up my mind on that fact. Edelbrock makes an aluminum intake to fit the newer swirl port heads that has a standard spread bore carb mounting on it. What Rochester carb and exactly who’s intake? These heads use a different bolt angle alongside the plenum the best carb intake I found with these is the Professional Products Typhoon if you have the vertical space. The motor will be used in my 87 S-10. The EGR port is in the same place as OE too. (spread bore, quadrajet Jan 24, 2025 · Going on. The Performers are ideal for passenger cars, trucks and RVs. E. 02 intake and 1. Jun 9, 2025 · Find Intake Manifolds, Carbureted Single plane Intake Style, carburetor intake for tbi heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Dec 1, 1998 · A TBI shopping list includes the following: a TBI throttle body and intake manifold, an electronic control module (ECM), a GM electronically controlled distributor, an electric fuel pump, a fuel Oct 9, 2011 · 89 sbc 350 tbi to carb swap ? Engine & Drivetrain Edelbrock Intake Manifolds are carefully developed and extensively tested to maximize performance and appearance in every application from the street to the strip. if not you'll need a 4 barrel intake. Apr 3, 2018 · Vortec TBI Intake ManifoldThis takes more than it would at first appear. early 350 Chevy with Vortec Heads Carbureted Performer Intake. It's cheaper to buy a vortec manifold and a TBI adapter. d Engines with 1996+ L31 Vortec Cylinder Heads & all Modern Marine and Industrial Engines. Feb 15, 2004 · I have an 87 to 95 5. 3L) Engines will allow a Square-Bore 4150-Style Carburetor (#1403 or #1404 500cfm Recommended) to be used with the Vortec V6 Cylinder Heads. (3. I was wondering if anyone knew if there is/ and where to get an intake manifold or and adapter plate to put on the TBI intake so i can go carb. Just use the correct intake gasket for the heads and drill the holes. I have to believe the big block head/intake bolts are different. Dec 13, 2016 · Performer Intake Manifold 1955-1995 Small Block Chevy 262-400ci with 1987-1995 Cast Iron Heads 4-bbl Spread Bore Carb Flange (non-EGR) Idle-5500 RPM Range Satin Finish Oct 8, 2012 · Depending which heads you have (they should be just barely pre-Vortec) you are dealing with an Lo5 small block. This patented design greatly improves torque over a wide rpm range, especially off-idle through 5500 rpm. 7. Jan 11, 2010 · Im in need of help, i have a 87 gmc s15 with a 2. Ideal for trucks, Blazers and Suburbans (Will not fit Caprice or Buick and Cadillac "B" Bodies). I have heard of plugging and re-drilling the heads and it seems easy enough. Thanks for the help. So, a performance manifold with TBI may give a small gain in performance. I am planning on doing this with my TBI engine. I would instead get EO non-vortec heads. GM makes an intake that adapts TBI to L31 heads it was made for some 1996 trucks and vans that didn't get the MPFI that year. Model specific subject matter experts, classified ads and more. Jan 3, 2022 · Discover JEGS 513002 Vortec Carburetor Intake Manifold for Chevy 350. The head gaskets were also gone in some areas. May 2, 2011 · its really easy to go from tbi to carb on these trucks, u will need a four barrell intake manifold, four barrell carb, a mechanicall fuel pump, and gaskets of course for the intake and carb you may also need a different air cleaner housing also i didnt but some may. The Red arrows point to the 72* angle bolts. I’ve got a tbi 350 in my 88 C1500 and I'm planning on switching over to a carb setup. 0/5. Jun 10, 2022 · Yes to accessory brackets and exhaust manifold. I can use the stock tbi intake, but the two inner bolts on the intake wont match with the head. Edelbrock 3704 is the easiest to use and mate to your other components. I have a set of transfer punches to get me started in the correct center, and my drill press has a compound Apr 5, 2022 · Hey everyone so I figured I might as well carb swap 350 and just pony up to buy another intake that will fit my TBI heads, then I can deal with a head swap Nov 21, 2004 · The Edelbrock Performer Intake Manifold delivers superior performance with square-bore carburetors. Would this be compatible with the stock computer. Oct 22, 2024 · Haven’t posted here for a while hope everyone is doing well. ) engines. I’m well aware that TBI heads are inferior to vortec heads but let me explain why I’m keeping them. Mar 10, 2021 · Don't forget the center 2 bolts on TBI heads and intake manifold are drilled different, they're ~72* instead of 90*. dave Personally, I wouldn't switch to Vortec heads just because how much of a headache it'll be. When I say earlier style Chevy 350's, I mean the carbureted ones before the angle of the intakes and the bolt through the valve cover Feb 20, 2001 · The new Vortec TBI intake manifold is designed for either an older Small Block Chevy engines converted to using Vortec heads and using TBI fuel injection, or for someone wanting to convert a Vortec engine to use TBI fuel injection. so i just wanted to know all of what i need to buy and do to make it work. So I've done a bunch of research on throwing an L31 Vortec motor (96+) into a 95 OBS and bolting up the GM Performance manifold that converts the standard TBI to the Vortec heads. I have a 1991 5. There are cast-iron and aluminum intake manifolds for carbureted and fuel injected applications. Learn about Vortec heads and their compatibility, intake manifolds for carbureted engines, and the difference between single and dual intake manifolds. Has anyone replaced their heads with the 1996 and later vortec heads. T. kxnue ohkpyt hovxx aaybpn gkqjpvhv yusdc hshiaw uxgsts txyee rfh