350 tbi intake manifold Check for vacuum leaks around the intake gasket, which can cause rough idle or poor performance. NOTE: intake manifold has been hot water tanked and cleaned. Seems the thick silicone/RTV bead may be failing. Nov 30, 2023 · Second issue is the insane amount of money GM wants for a TBI-to-Vortec-cylinder-head intake manifold. Oct 9, 2011 · 89 sbc 350 tbi to carb swap ? Engine & Drivetrain. I. Manifold accepts stock 1-11/16” throttle bodies only. 75 TBI Throttle Body to Holley 4412 2300 Compatible with Chevrolet Fits 2 Barrel Manifold 500 350 CFM For Holleys and Early Autolite Carbs 7 Check Price on Amazon 5 The back port on the intake manifold of a 1988 350 engine is often plugged to control vacuum routing or emissions. 【Feature】2 barrel intake manifold adapter serves as an insulator, preventing vapor lock by keeping the carburetor cooler and enhancing power. 7L 350CI TBI V8 along with 4x4, it has an extended cab and standard bed. (5. 【Material】TBI to carb adapter crafted from high-quality CNC machined POM, this adapter is a durable, heat-resistant composite Jun 29, 2021 · About this item 【Fitment】 Tektall Intake manifold adapter Replace for TBI 5. It is a stock replacement/street legal part for 1987-1995 305/350 V8s with factory TBI. 5. Apr 25, 2025 · Handling a carbureted intake manifold on TBI heads requires attention to detail because the alignment of the manifold bolts is critical to ensure a proper seal and performance of the engine. Intake manifold adapter Replace for TBI 5. ; Recommended intake gasket: GM #10159409. Bores match the bores of the throttle body and taper to match a 4 barrel intake without hurting airflow which is a proven way to increase 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. Get the best deals for Chevy 350 Tbi Intake Manifold at eBay. intake manifolds are stock replacement parts for 305/350 V8s with a factory TBI. 7 350 adapts a small block 1. Edelbrock Performer T. I've read that the manifold off an earlier 350 can be modified to work--but as previously stated, the bolts wont be square to the manifold, unless you mill the manifold or use tapered washers. ; 1987-95. com. No commercially available EGR exhaust manifold to intake manifold tubes are available. 【Good Quality】 Made from a super durable and heat resistant composite material. They accept all OE equipment and small-bore throttle body injectors. Will not fit Caprice or Buick and Cadillac "B" bodies. The intake manifold directs the air or air-fuel mixture from the throttle body to the intake ports in the cylinder head. 7L Chevy throttle body injected (T. 7L) Chevy Throttle Body Injectioned (T. 7 350. ) engines. 73s engine mods will def give a healthy increase while keeping total cost of project around 25/2700. Oct 5, 2016 · '94 350 TBI the front corner, passenger side of intake manifold is weeping coolant. CASTING NUMBERS: 10166133. 75" works with 2 barrel 350 and 500 CFM For Holleys for autolite carbs (early). Edelbrock Part # 3704 Performer T. 75" bore throttle body injection 1" thick Fits Pattern 4-barrel Manifold Alloy Durable Add to cart Jan 8, 2021 · Upgraded Vortec cylinder heads, a more aggressive camshaft, and reprogramming TBI chip to make 300 horsepower or more with a GM Chevy 305, 350, and 454 engine with factory TBI injection. Apr 12, 2021 · If I were doing this again, I'd buy the Summit aluminum TBI heads, and use the TBI manifold instead of using the older aluminum heads (old-style intake bolt pattern) I had on the shelf, and the ZZ manifold. A full 1" thick . Were I doing it, within the constraints you've listed (that is, a minimal conversion with no money spent on optimizing everything) my answer would be "whatever I could find for $25 or so". Edelbrock SBC 305/350 TBI Performer Intake Manifold designed for 1987-95 305/350 c. Feb 11, 2006 · Starting in '86, the 350 heads/intake manifold have the two center intake manifold bolts angled. Will not fit Chevrolet Caprice, or Buick and Cadillac “B-Body” vehicle models. Already have full exhaust from manifolds back, 2000 stall converter n 3. This part is far better that a 1/2" or less steel or aluminum spacer. There's a whole thread on Vortec-to-TBI swaps. ; Manifold height: A-3. 【Good Quality】 It is made of solid alloy with high finish. I'm more concerned about a higher torque rating rather than high 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. 5. This patented design greatly improves torque over a wide rpm range, especially off-idle through 5500 rpm. d. Aces Cast Aluminum Mid-Rise Dual Plane intake manifold fits all 1996-newer Vortec SBC engines and is EGR capable. Find many great new & used options and get the best deals for Chevy 350 5. Bevinsee TBI Intake Manifold Adapter for 1. 75" bore throttle body injection 1" thick Fits Pattern 2-barrel Manifold 500 350 CFM early carbs. Ideal for trucks, Blazers and Suburbans (Will not fit Caprice or Buick and Cadillac "B" Bodies). 75" bore throttle body injection 1" thick Fits Pattern 4-barrel Manifold Alloy Durable Add to cart Oct 27, 2025 · (1) Edelbrock Performer T. Accepts all OEM equipment and small-bore (1-11/16") throttle body injectors only. Check out the deal on Chevy Small Block Intake Manifold, Vortec Head Design for TBI at GM Performance Motor 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. Get the Best Performance with Edelbrock Small Block Chevy TBI Intake Manifold Kit 3704K1 parts at JEGS. com FREE DELIVERY possible on eligible purchases The Chevrolet Performance Vortec TBI Intake Manifold is designed to deliver maximum horsepower and efficiency with throttle body fuel injection and EGR usage on small-block Chevy engines. 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. New cam, springs n seals, rocker arms and intake manifold with 50mm tbi unit. Super clean intake manifold works great Swapped to carbureted so no use for it Injectors work fabulous Distributor works great as well OBO Thanks! Jan 26, 2009 · 350 TBI convert to Carb and Intake Discussion in ' The Hokey Ass Message Board ' started by buildinga55, Jan 26, 2009. water jacket similar to stock. Shop Now at the Guaranteed Lowest Price! The Holley 300-49 Chevy 350/305 PRO-Jection Performance TBI Intake is a popular aftermarket intake manifold designed to improve the performance of General Motors 350 and 305 small-block Chevy engines using Throttle Body Injection (TBI). Chevy 350 Intake Manifold in-stock with same-day shipping. Everything Nov 26, 2021 · Im doing a tbi refresh soon, just going down to the bare long block. ). Jan 27, 2023 · I got an older Holley intake manifold that typically can only be used on a pre-87 Chevy 350. Intake Manifold Intake manifolds on a TBI car distribute fresh outside air to the cylinders in your engine. I want to build another block in my garage as to leave the truck operational while the motor is being built. It can be installed without purchasing additional bolts. Number 3704 is a stock replacement/street legal part for 305/350 V8s with factory T. B. Use stock Throttle Body Injection unit. T. Cam and rockers are roller. Sep 12, 2012 · I am looking for a intake manifold and carb for a 350 sbc TBI that originally was in a chevy suburban. 7L) Chevy throttle body injected (T. self-adjusting. The Vortec manifold/intake doesnt use center bolts. Jun 23, 2007 · Has anyone converted there late model chevy from the TBI heads to the Vortec heads? I know you need a new intake, but do you also need a computer chip modification or can you use your stock computer chip? Edelbrock Part # 3704 Performer T. Recommended. intake manifold is designed for 1987-1995 GM 305 and 350 c. For use with Vortec cylinder heads, these manifolds are cast aluminum and precision machined to adapt to your 1987-95 Chevy/GM. i. I have put in a high torque cam with a Scat crank which was balanced at 1906. Mar 26, 2020 · Designed for 1987-95 305/350ci (5. I want to install it onto my Chevy 350 TBI engine which will DESCRIPTION: The Performer T. Engine has Aug 31, 2009 · The block flows coolant up from the head from the rear, comes out the front by the thermostat housing (or the bypass)-my '94 350 TBI Suburban was the same way, if I remember correctly there was a small pinhole in the gasket (might have been by the exhaust crossover) in the blocked off port, they should be marked by the mfr. Designed for 1987-95 305/350 c. Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. 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. Apr 3, 2018 · Vortec TBI Intake ManifoldThis takes more than it would at first appear. The installation hardware and installation sealing gasket are as shown in the figure. 1987-95. Scat connecting rods with ARP bolts. No commercially available EGR block-off plates are available. Now Feb 18, 2017 · The intake manifold will sit with a 1/2 inch spacer adapter to be able to run the TBI injection. 7l TBI Intake Manifold Assembly 14102182 at the best online prices at eBay! Free shipping for many products! Shop Chevy 350 Intake Manifold and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. Inspect the intake manifold for blockages or carbon buildup in the rear port area. Jun 29, 2021 · 【Fitment】Tektall Alloy Intake manifold adapter for TBI adapts a small block 1. 0/5. intake manifold is designed for 1987-95 305/350 c. Dec 13, 2016 · Recommended Intake Gasket: Jegs p/n 555-210008 For 302, 327, and 350 with OE 4-bbl carb except stock-equipped EGR For 1987-95 engines with stock aluminum heads, use Edelbrock Intake Manifold #350-2101 Has rear water crossovers Does not fit Bow Tie or LT1 heads Accepts late model alternator, water neck, AC, HEI, and exhaust-heated chokes Feb 9, 2011 · I've purchased a 1991 K1500 with the 5. Nov 5, 2025 · This is a Used Good Condition Genuine GM OEM intake manifold. Start with a potential intake manifold or adapter, get a carburetor, potential fuel pump, distributor, and transmission computer. 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 competition racing. For 305 and 350 V8s with OEM T. New pistons and rings. Springs were aftermarket and a bit stiffer and the rockers are 1. as well. This intake features the common 4150-style flange to accept most aftermarket carburetors and TBI units and would be a great addition to any street engine. We have a great online selection at the lowest prices with Fast & Free shipping on many items! This patented design greatly improves torque over a wide RPM range for excellent throttle response, especially off-idle through the mid-range. engines equipped with factory throttle body injection (T. 70 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. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Feb 20, 2024 · 【Fitment】TBI to carb adapter 1. kz8 fpjor cfrf td9 rz0 sofrko in8s1 hp ww kiqn