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Thank you for posting! So few vids on YT of actual dyno tests of flatheads. Eventually I want mine dynoed. Mine (C59A) is completely stk with only a 0.060 overbore and Pete’s Isky 1007B cam grind. I was thinking mine might come in at around 110-115 hp. Also good to know that the 4,000 rpm tach I have is all the rpm’s I’ll need to measure. Lol!