0 deck the block, flat top pistons, the head is my 48cc large log tripower, felpro head gasket which would put the comp at 10.5-1 maybe with this cam http://www.classicinlines.com/proddetai ... 264-HDP-12 im running 3.55 gears and a tall tire, im probably going to get a lower ratio tire after a while. the car will be a weekend car any suggestions