Because machine shops suck unless it's a Chevy 350. Looks like you found that out already. I wouldn't use anything that doesn't use a stock Ford piston and ring.
-'96 SE MTX 3L
-'98 SVT 1,173 of 6,535
-'05 Mazda 6s, loaded, g/f's ride
-Need a 96-00 manual on CD? PM or email me
I wouldn't use anything that doesn't use a stock Ford piston and ring.