PRH111 wrote on 12/31/69 at 16:00:11:Now who is going to post the before and after dyno sheets for removing the exhaust port restriction and then again for putting in the 97mm piston.
Is that a necessary requirement? However, if I do this work, I'm sure to give my before and after opinions of the effect of such work.
There are other reasons that some people do this kind of work and the biggest one is "Because I can"