T tracy New Member Joined Oct 21, 2003 Dec 10, 2004 #1 Champion heads and a 212 roller would add how much in a rough estimate? I'm guessing at 80-100 hp. Anyone that has before and after dyno numbers would no better than my guess.
Champion heads and a 212 roller would add how much in a rough estimate? I'm guessing at 80-100 hp. Anyone that has before and after dyno numbers would no better than my guess.
G Grandnat Member Joined May 26, 2001 Dec 10, 2004 #2 Originally posted by tracy Champion heads and a 212 roller would add how much in a rough estimate? I'm guessing at 80-100 hp. Anyone that has before and after dyno numbers would no better than my guess. Click to expand... The difference was huge. I bet it was worth close to a 7 or 8 tenths. Kinda hard to tell since I didn't do them both at the same time .
Originally posted by tracy Champion heads and a 212 roller would add how much in a rough estimate? I'm guessing at 80-100 hp. Anyone that has before and after dyno numbers would no better than my guess. Click to expand... The difference was huge. I bet it was worth close to a 7 or 8 tenths. Kinda hard to tell since I didn't do them both at the same time .
