Hmm, both these shortblocks have cams in place. I may have to see what they look like as we seem to have a consensus the factory cams live longer nowadays. Be nice and simple if the cam in th eblock I want to use is still in good shape! Just a new set of lifters and go. Lots of assembly lube and good breakin oil anyway of course! -- Mark Price Morgantown, WV 1969 AMC Rambler, 4.0L, EFI, T-5 2004 Grand Cherokee Laredo, 4.7L, Quadratrc II " Chronic Pain Hurts" -------------- Original message ---------------------- From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker) > " From: Wrambler242@xxxxxxxxxxx > " > " I forget which pistons have the depest stock dish, but I can find it by > searching it out. > > speed pro 677p iirc, 17.5cc? > > " If I leave the block standard bore and use the deepest dish as cast pistons > that should keep the compression right at 9.2-1. > > yup > > " I just need to pick a cam that bleeds off a bit and rpms out to about > 52-5500rpm. > > you may not -need- a larger cam. if you spend a little time smoothing > the sharp edges [hotspots] of the chambers and maybe piston dishes and > run a slightly colder plug you'll probably be fine with the stock cam. > 9.2 isn't a -big- jump from 8.8, and you can bet they were > conservative. > ________________________________________________________________________ > Andrew Hay the genius nature > internet rambler is to see what all have seen > adh@xxxxxxxxxxxxxxxxx and think what none thought > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list