WebThese heads have never had any porting or polishing work done to them on any intake port, exhaust port, or combustion chamber. ... Impala, and trucks. These heads will interchange with casting number 487, 487X, 993, 882, 624, 441 and many others. These heads will also interchange with double hump heads with casting numbers 370, 461, 461X, 462 ... WebMay 4, 2010 · Discussion Starter · #1 · Apr 30, 2010. I found a set of reman 333882 heads with 2.02/1.60 stainless steel valves w/.500 lift springs and 3/8" studs and guide plates seems cheep about 320.00 for the set ready to bolt on. But I'm not sure about the intake and the exhaust flow numbers and how they compare to the old double hump heads any …
Bolt-Ons for Beginners: SBC Power Mods - Street Muscle
WebStock “double hump” heads flow 202 cfm intake and 141 cfm on the exhaust. If you must maintain a stock looking port, consider our “ Undercover Porting ”. With our “ Undercover Ported ” they will flow 220-230 cfm intake and 165 cfm exhaust. This flow improvement will add 15 to 25 horsepower to your engine. We may be the only company ... WebNov 4, 2006 · The 882 head is a 151 cc intake runner, so basically they are comparing a World products head to a small port smog head from the 70s. I'm not a big fan of World heads. They are beefy for porting, but they flow almost identically below .500" as a 151cc smog head. Not wise in my opinion. imdb the batman 2021
Porting Engine Heads - GT Alley Performance - Car Craft Magazine
WebJan 20, 2024 · The intake ports on the Procomp heads outflowed the stock 882 heads by as much as 50 cfm. See all 23 photos The exhaust flow was equally impressive, as the 72cc … Web1.1M views 2 years ago #Hagerty Engines need air (and fuel and spark). Moving air efficiently through the combustion chamber has a huge effect on power and porting your … WebApr 15, 2024 · The LS engines with 799 heads are 5.3L and 4.8L. The sophisticated architecture, cathedral-shaped port, and smaller combustion chamber work amazingly on these truck engines. The smaller combustion chamber with a higher compression ratio offers increased power output. The 799 LS heads boost horsepower up to 25 hp. imdb the banker 2020