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IME, those numbers are high for a 107". A 113" would get closer to 120/120.
not so fast there....lol T-man has some good stuff. i did a 106 build with his heads and cams and ended up with 116/120. well matched parts and a good tune will go a long way.
but to the OPs original question, i still have the stock crank and no problems....yet
I'm doing a build that should yield 120tq and 115hp. May send crank to Hoban and wondering if I really would need to replace the connecting rods. They are over 500 bucks!
