Quote:
Originally Posted by Chipper Chapman
Sorry there woul actually be a 6 tenth index difference because we'd have to claim GT/EA (10.95) with 440, versus SS/KA (11.55) with 383.
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The GT/EA will need a full cage. The 383 is probably a little better combo but it has to live at a much higher rpm and cam and convertor are more difficult to get right due to the short stroke and lack of VTP clearance. A 70 383 in GT/HA would be the most practical combo IMO, you will then have the larger exhaust valve and a choice of the Holley or the AVS as opposed to the small 66 AFB.