Quote:
Originally Posted by Paul Precht
Original 915 heads with 1.60 exaust are easier to find and cheaper than the 1.74 versions. I found info on the NHRA spec sheets that allow the 915 heads on 65 and 66 cars but I can't find it for anything earlier. It would be nice if you could use them on the 62 361/305, the intake port is identical to the 906 head which is light years ahead of the 516, Paul.
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Paul,
there are several early engine combo's that could benefit with the 915's, 62 383 motors, 62 413's (less max wedge), 63 & 64 383's, and I believe it would make the 64 426s motor competitive.....516's are not viable, too restrictive.