Actual HP for an L-78

[YENKO DEUCE REGISTRY]

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Chevy454</div><div class="ubbcode-body">The cam isn't the problem, ask any cam company (I've talked to no less than 3 about this very subject), the 143 cam is a pretty darn good piece. the problem (imo) is the huge tolerances from the factory...chambers 10cc+ too big, dome 6cc+ too short, deck clearance all of the place, etc, etc. As i said above, we did an L72 as close to factory as we could get it and it came in at 10.2:1...Scott Tiemann tore into an original L72 out of a Berger copo and it was a scant 9.8:1! </div></div>

Agreed - had I known how wide the tolerances were back when I was putting my deuce engine together I'd have checked it more closely, I doubt I'm anywhere near 11.0:1 with my TRW's!