It is the Oct. issue. It says that the 670 heads were massively reworked. Also its a 400. Trust me its a must read if you want a good laugh. Unless Im mistaken Hedman does make 2 1/8 heads for a Pontiac. And iron d-ports flow 356/261 isnt going to happen unless they flowed them 40" of vacuum. But it is a nice car.
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