hi there, i was reading the problems people are having with smoke,and iv got 2 say, im also one got 4wd sapp running stage 3 and its smoked since i got it.the only time it does it is when im going down a hill and put the foot down again at bottom.then jst goes away! also alittle after boost,almost like a breathing problem. i dnt know,all i know is that its starting 2 piss me right off!!! i rebuilt the engine last year due to a fueling problem turbo was done aswell by CR turbos because i thot it was that.i also built the head using genuine ford valve stem oil seals...PLEASE HELP!!!