Newbie looking for pistons

mikeyt2014 said

I bet that was a bummer when you got those numbers, however did that give yo some more ponies. I may shave the head and decrease the cc chamber-thoughts on that.

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I did. It made a half point difference. The performance is still good with 9.6 and no detonation problems. The power is in the heads,exhaust and cam. I love and respect my 273 but they are what they are. They have their limitations unless you go real radical. tmm