Tbi vortec heads, Jan 19, 2026 · 1992
Tbi vortec heads, 30 over 350 engine. That rhythmic ticking sound on cold mornings? It’s rarely a collapsed lifter. I told him to buy a set of Vortec Heads that I found cheap and they'd flow better for him. Head temps get into the 240 range easy when the intake temp is still 160 or 170 with a 180* Aug 29, 2017 · Tbi heads while not the best are not far behind a vortec in terms of flow at least on the intake. 50 state legal and better flow numbers than vortec heads. READ THE WHOLE POST FIRST. i am planning a vortec head upgrade along with a possible conversion to carburetor and good camshaft . Also it needs a chip that Great flow number and stock TBI or aftermarket TBI intakes will bolt right on saving you some money. The stock fuel pump and injectors are pretty much maxed out with the TBI heads. 3 v6 in my 92 c1500 for tbi 350 with vortec heads still keeping tbi looking for mild good sounding cam. Either the fuel pressure needs to increase or it needs 454 injectors. Need some tbi/vortec engine experts. 7L V8—whether you're running the reliable 1988-1995 TBI (Throttle Body Injection) or the later 1996-1997 true L31 Vortec—you have a known weak point bolted to your cylinder heads. The pump capable of 70 psi works beautifully at 18 psi and was the same pump GM put into the 94-95 30 psi TBI systems. are the vortec head upgrades as great as i am hearing? May 21, 2025 · So I plan to build a 350 for my sons 90 Chevy Truck which currently has TBI heads and TBI intake and throttle body. Also trying to keep it some what budget lol. Jul 31, 2025 · Discover if Vortec heads fit a TBI 350 engine, along with performance gains, costs, and essential tips for a successful swap. Jan 24, 2025 · 1989 Silverado with a . . Manufactured by Trick flow for Summit. Second issue is the insane amount of money GM wants for a TBI-to-Vortec-cylinder-head intake manifold. Issue Iam having is the thermostat does not open fast enough. Nov 30, 2023 · Biggest nightmare on the Vortec heads is the lack of an exhaust-gas crossover port, which means the EGR won't work without major modification. the exhaust side is far better, this thread shows a measureable gain with a small cam 206 set and porting. No 20h Vernon Lee Griffin Depends on what you're asking a 350 vortec or a 350 TBI TBI intake won't work carburetor intake won't work on a Vortec you'd have to buy a special intake 1h Chad Hulme Gotta be a intake for a vortex the bolts go stright down instead of a angle Hello, so I’m swapping out the 4. Shame Feb 8, 2023 · Having actually run a Vortec head TBI, it is time to load the parts cannon on all items he mentioned. it currently still has the TBI fuel injection. Jan 19, 2026 · 1992. Apr 8, 2022 · What’s the difference between Vortec heads and TBI heads? This Vortec heads Vs TBI heads comparison of features will help you learn more. 1 day ago · If you own a 1988 to 1997 Chevy or GMC GMT400 truck with the 5. That was before I realized that the TBI intake would not work with the Vortec Heads.
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