Quote:
Originally Posted by NJ Torque
Drop a Turbo 6 in it, keep drivability and power.... TTA clone. 
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I looked into this when I had my old 87 GTA. the only problem is that regular grand national heads dont clear the strut towers on a third gen. you either need a motor out of a TTA or you have to use FWD 3.8 heads to fit the motor in the engine bay. at least, thats what I've been told.