Not Ranked
427supr. If the motor does not need a rebuild, don't do it. Go with a set of AFR 185's. You will get 30 - 40 HP from it and it will take only 3-4 hours of skilled labor. You can then sell your GT40 heads and recoupe maybe half your investment. If you do want to stroke later down the road, 185's, while on the smaller side for a 408, will work very nicely for the street with an additional 50 HP or so. My $.02 anyway.
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