Inliners International Forums General Discussion Hi Performance Head work

Back in the mid 1970s Street Rodder magazine had a story on porting 235 and 261 Chevy six heads.For oversize intake valves use the ones for a 1950 to 1952 Powerglide engine (1.92).For oversize exhaust valves,use ones for a SB Chevy V8 (1.60).
EvilDr235