Join Date: Feb 2002
Location: N.W. Washington
if you don't have chrome rings and they aren't seating yet, then imo you have a problem. my moly rings barely even puffed a bit of smoke on start up the first time. do a cranking compression test and look for inconsistency in results between cylinders. and if a leakdown tester is available, they can also tell you a lot. valve guides and seals that are worn or bad can cause fouling/smoke, especially noticeable on start up, but if they are real bad they could cause fouling. and really wouldn't show up w/ a cranking compression test. when i mentioned intake, i'm talking about the intake gasket. if running large or ported heads, or dealing w/ a decked block, the bottom of the intake port sealing surface can give you trouble with sealing, and the vacuum will suck oil into the ports, which will make the motor smoke and foul plugs, how bad depending on the size of the leak. (this won't show up in a compression test either) good luck with it!
1968 rs with an old school 354" SB2.2 pump gas motor.
Repetition does not transform a lie into a truth.
Franklin D. Roosevelt