WebSep 9, 2012 · The poorest performer IMO is the Edelbrock centerbolt head, but it seems to be the most well-known head for TBI engines. There are also the Torquer S/R from World Castings, AFR 180 or AFR 195, Canfield heads, Pro Topline heads from Racing Head Services (RHS), Patriot heads, and Trick Flow heads. WebSep 26, 2001 · 1. Yes the Vortecs will outflow the camel humps, even in stock form with 1.94/1.50 valves 2. Yes, the Vortecs are cheap at $500 or so a set. But once you pay …
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WebAug 13, 2009 · A swap to a set of mild AFRs like the littlest 180s should be worth a much bigger bump in power than any cam swap. After you upgrade the heads THEN do a cam swap and you get the big payoff. GM's "Fastburn 385" crate motor is the ZZ4 with the factory Fastburn Vortec-style heads bolted on top, generating 30 more HP with NO other changes. WebApr 4, 2024 · SB Chevy Aluminum Cylinder Head 200cc 65cc Bare Straight Plug SB SBC 350 383 400. New. $183.53. $265.99 31% off. Free shipping. 186 sold. existing chimney water heater venting
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WebJul 4, 2002 · Cast-Iron Chevy Vortec heads #10239906 1.940/1.500 OEM valve job and shape ... TrickFlow aluminum SBC heads with 2.020/1.600 out of box shape and valve job, as shipped ... your head flow won't repeat !-----MaxRace Software Meaux Racing Heads ET ... WebL31 The Vortec 5700 L31 (VIN code 8th digit "R") is a 5.7L V8 truck engine. It is Chevrolet's last production Generation I small-block. The cylinder heads feature combustion chambers and intake ports very similar to those of the LT1 V8, but lacking the LT1's reverse-flow cooling and higher compression. WebThese Trick Flow GenX® 205 cathedral port cylinder heads for GM 4.8L/5.3L/5.7L LS Vortec engines are fully CNC-machined to significantly increase the performance of GM cars and … existing chemical substance inventory 台湾