LS1Tech.com - GM LS Performance Forum

Not hearing anything odd in that video. How is crankcase pressure gonna push up valve seals? Port pressure, boost on intake , drive pressure on exha...

I personally would be looking at stroker cams from Cam Motion or BTR and probably using stock rockers. F35 is on the small side for a 418. Do those...

I have a LM7 5.3L swap that's going into a '64 Skylark. Almost everything I have sourced is a replacement for the donor 2006 Silverado engine. I have ...

At the time of posting 1599.99 Each Fully assembled CNC Ported Versions. They still have the same Notation about the small bore so I am wondering...

hello - my name is tim - have 1995 trip blk z28 convert - orig 26k miles - great rust free cond - what's it worth ?

Love this build! Please keep the wire hubcaps even if you add lighter drag wheels underneath. And add whitewalls to some drag radials. Someday I will ...

Hello folks , Daniel here Lots of questions coming yall way from a LS newbie. Been reading up roughly 4 years on them but will wanna double check ...