91 GMC suburban needs a new throttle body the motor i put a rv cam in it new oil pump lifters timing chain all new gaskets even head gaskets. fired it up ran fine then started smoking still runs just blows white smoke, pulled a spark plug and way black so to much fuel think the tbi needs a a new regulator squirts gas then stops im tired of it. the inside is way nice i am just tired of it. it does have some rust spots in it has elec locks and windows has a keyless entry and alarm has nice eight lug chrome wheels and tires also will trade it's NOT ok to contact this poster with services or other commercial interests montana