Originally Posted by
vega
I just found out from a shop after fo 7 hours of calling in MN- they said the center bolts on the heads are about 6 millimeters off- so yup they don't bolt up albeit they said there was someone makeing VERY good heads for these motors- but they could remeber who.
He said it may be edelbrock or trick-flow heads flow even better then the 3000gt heads. so how well does the sohc version respond to turboes? is it not worth it at that level? and is that why the 2.5 and 2.2 turbo is more popular?