I need to know if anyone has done it to a 8.1L chev motor mines a 2003 model dually all factory and i need to seafoam the motor i know about putting it in the gas, oil but what about the throttle body and the vacuum line ?? i dont have a brake booster line like on the f-body cars? anybody know please help would like to get the crap blowed outta my truck so it runs like new again lol thanks for any future info....