WebDec 8, 2003 · 2,521 Posts. #4 · Dec 6, 2003. All I know is that some of the traditional porting techniques can hurt the Vortec's more than help. Just do plenty of homework before … WebPorting L31 Vortec Heads. In the absence of a flow bench, Vortec heads are about the most goof-proof castings to rework and get good results. Fig 6-12, the stock L31 head is considerably better than the “Fuelie”- style heads we find ourselves working with if factory heads are the order-of the- day. Because of the exceptional casting quality ...
Chevy Vortec Bowtie Heads - Brzezinski Racing Products
WebAFR 220cc SBC Eliminator Racing Heads 1065 Cylinder Heads, Aluminum, Assembled, 65cc Combustion Chamber, 220cc Intake, Chevy, Small Block, Pair Part Number: AFR-1065 ( 7 ) Estimated Ship Date: Today Free Shipping $2,300.33 Add To Cart Compare Wish List FLOTEK 180cc Small Block Chevy Cylinder Heads 102-505FT WebMay 9, 2005 · See all 17 photos. OE Vortec: mild porting, valvetrain-modified. Intake runner: 170ccCombustion chamber: 65cc Intake valve: 1.94-inch Exhaust valve: 1.50-inch Maximum valve lift: 0.600-inch ... in addition to observing living organisms
Budget Vortec Head Upgrade: Easy, Money-Saving Benchtop Mods
WebApr 13, 2015 · The L31 Vortec heads have larger ports than the older Gen I cast steel heads, so they outflow the older heads. The Vortec heads are a little bit lighter than the older … WebAug 9, 2015 · Anyone running GM Vortec Bowtie small port heads part#25534421? Im building a 383 and its time to choose what heads to use. They seem to flow pretty well, and accept up to .530 lift Around $490 each complete. Please look at the numbers and tell me what you think. Flow Numbers intake: SMALL-PORT HEAD Lift CFM 0.100 67 0.200 136 … 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 … duty free bangalore airport