compression = horsepower query

From what little I know, the stock high compression early 340's had 10.5 to 1 and were out of the deck about .026. The 8.5 360 I tore down was about 1/4 of an inch down with dished pistons. So i would guess you could be somewhere around 9.5 now, as you look to be about .040 below deck. This is just an uneducated guess, and my .02
walt:sleepy1: