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gt40\'s or 40p\'s ?
i'd say regular gt-40's cause you dont have to pop for special headers as you would with the P's
my first set of heads were a set of gt-40's milled 040. and with a home port job i did, matched the intake to a 1250 felpro and removed the thermactor bumps on the exhaust and cleaned it up, i had them on a 302 with a 510/534 cam, intake and roller rockers and the car picked up about 3mph
[addsig]
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