Good friend of mine is chasing a timing issue down with his 4th gen LSX build.
He's having a hard time getting tech support from Big Stuff 3 if anybody has any help or suggestions, please post a reply in his thread on LS1tech.
http://www.ls1tech.com/forums/pcm-di...variation.html
Build specs:
1994 Trans Am, LQ9 block, 427 ci, callies crank, scat rods, mahle 8.5:1 CR, LS1 pro dart 225 ported and polished heads, Comp custom billet blower camshaft, 83lb injectors, 11psi D1SC pro charger, Fast LSXR intake & TB, Edelbrock 1-7/8" Headers and true dual 3" exhaust, BIG STUFF 3 fuel management.