what fuel pump you running?
ive seen everything from kinked fuel lines to just worn out pumps cause misfires at higher boost levels.
fuel cut?
thats werid that it only smokes for 2 mins after a 15min drive.
was gonna say valve seals but thats not what it sounds like at all.
__________________
Originally Posted by
Ronald Mcdonald
Your car is the epitome of all the is cool.
99' Golf more_door Canadian special
70' Bug
77' 280Z
76' 280Z
93' 240sx Sold
79' VW Rabbit "Bunny Luv" SOLD! 
05' Scion xB SOLD!
88' VW GTI SOLD!
Only one in town where im blown via a dodge and squirted in a MEGA way....
Official TR SR20 Hater!!
Having more then 2 valves per cylinder is over-rated.
2V heads FTW! and Weight Reduction!