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Also, was the power increase from porting and piston noticeable on your ‘19? Thanks!
I did not touch the bottom end. I am a 55 year old Sr and would say at an intermediate level simply doing practice days, so I didn't see myself putting extended high RPM, heavy loads on the motor and wasn't worried about over-stressing it.
My assumption (I've never researched it) is that the plain bearing crank would be significantly more durable than a roller crank. The thoughts about upgrading the rod make sense, but going to a roller crank doesn't make sense to me.
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