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PKRWUD · 12-11-2002, 11:37 AM

Duration and valve size play a big role, as well as lift and piston design, and yes, different heads have different specs. The twisted wedge heads, for example, place the valves in different locations, which changes things.

12-11-2002, 11:37 AM	#7
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	Duration and valve size play a big role, as well as lift and piston design, and yes, different heads have different specs. The twisted wedge heads, for example, place the valves in different locations, which changes things. __________________ Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local RED & WHITE!