Join Date: Apr 2012
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worn rings will cause blow by. check for that. remove the oil filler cap and fire it up. if it's huffing out the stem, rings are your problem. that would cause blue smoke though. not white. same with turbo. blue smoke. and it would smoke all the time. even more when hot. if it were blue, i'd guess valve seals. but not white.
white is gonna be either fuel or coolant. does the smoke smell like raw fuel? are you down any coolant?
does it take long to fire up when cold?
and when you get it fired, does it run like a sack of hammers while smoking?
also, what year is the truck?
if it's the one in your sig, i don't mind saying she looks great.
what year though