badazz99ss

iTrader: (16)

hey wussup guys I have a question i have a ls1 motor I just had a ms3 cam installed and all the valvetrain etc..... I notice that when its cold it has a little knock to it then when it warms up its not there even if i rev it up i cant hear a thing its only on a cold start up. Any ideas??????

SVThuh

iTrader: (2)

Sounds like it could be lifter noise or piston slap. A cam swap can sometimes bring out some sounds that you would otherwise overlook or not notice.