cam only dyno opinions
ported mac mids dumped at the end of y pipe with bullet style muffler
4000/2.5
4.10s 10bolt
stock pullies
stock ls6 intake
stock 241 heads
most of the free mods, no a/c or belt.. all that jazz, air lid ect ect..
opinions?
im guessing 358/368.. will have results tommorow night!


