Originally posted by Derk2000:
Originally posted by Dan Nixon:
gain 5% more power...about 10 HP...



For 5% to equal 10hp, that would be crank hp estimates. That would probably show up as 7-8hp at the wheels (assuming Dan's estimates are correct).


Pete - we'll see how things play out. We may not even get a choice as to BSZ or ASZ (that would be "Before Spring Zing" and "After Spring Zing").



expect it to be even more gains on a 3L with headwork

Russell Oval Port 3L Nearly Done MTX75 w/ Homebrew Zetec FD and Torsen Complete