Seen a lot of different small block combo's that like 40.
I pulled Eddie heads off a 416 flat tappet short block years ago that liked 34.
Put a W5 top end on that short block and it liked 40. Turn it back to 36 and it slowed down a whole tenth.
Later built a roller short block, put the W5 heads on that and it liked 32.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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