Originally Posted by crazydawgs21

Heres the thing it dosent do it on cold startup ever time only when you punch the gas to the floor or rev the heck out of it

Originally Posted by Matt Nickerson

Replace pcv with one from the dealer. Check to make sure plenum gasket isn't blown. If its not, or you've already fixed it then check compression; wet and dry

Originally Posted by jkeaton

Maybe it's jusy me but I don't think revving the heck out of a cold engine is very good for it....

Originally Posted by z28oc91

check your compression its easy..take out your plugs, go to auto store rent a compression tester, take out your fuel relay and turn over engine..all the cylinders should be close to each other if you have one significantly low then odds are its the rings..as far as plenum gasket it could be if that was never replaced but im personally leaning more towards rings..to check your plenum gasket stick a light inside your throttle body and see if their is oil ( this isnt full proof but should give you a good idea if you have a leaky gasket) and all you would need is a short block, i bet you could pick up one from a junkyard cheap then just take everything off and put it on, the only prob is you might run into the same problem