WebEasy Vortec Head Porting with real flow numbers! Part 2 Its very easy to "over port" vortec heads Watch this video for tips and tricks to get your vortec to flow better. Easy Vortec … WebOct 1, 2005 · We also found that the intake valve in the Vortec head is 2.060 inches in diameter, and the exhaust is 1.72 inches, which is small for a 454ci engine. We took the heads to Superior Automotive...
The Complete Cylinder Head Guide for Chevy Small Block Engines
WebApr 6, 2024 · These Vortec heads employ a tapered seat like older small-block Chevy iron heads but the reach is longer than the stock 0.460-inch … WebOct 1, 2009 · A Vortec cylinder-head runner is approximately 6 inches long. The total intake track length of the different manifolds varies from approximately 11.75 to 14 inches in comparison to the stock TPI's ... the brady rule
Vortec 906 and 601 flow numbers ported and not/mild …
WebSep 27, 2024 · The Vortec head features a very large boss at the base of the valve guide that measures 0.850-inch in diameter and is used to locate the 1.250-inch outside diameter (O.D.) valve spring. The head uses 0.560-inch I.D. seals mounted directly on the top of the guide. This guide boss is also very tall. WebJan 5, 2024 · The best cam for 350 with Vortec heads is one of the best investments you would make to advance your engine’s efficacy and, in return, obtain remarkable torque and horsepower gains. For more details on this spectacular product. Read on. Best cam for 350 with Vortec heads Reviews 1.COMP Cams Big Mutha’ Thumpr 243/257 Hydraulic Flat … WebOct 16, 2006 · The aluminum vette heads come in two castings, the early '86-'87 #128 and the '88-up #113. The early heads used a standard exhaust port, while the 113 head used the 'D' port design which is raised .100" for improved port flow. The GM L-31 truck Vortec heads flow quite a bit more air than the vette heads and consequently make considerably more ... the brady rule in nfl football