How much is too much material removed when milling heads? The machine shop had to remove 8 thousandths on one head and removed none from the other because the surface was good. Will this cause me problems he didn't seem to want to machine the other one and said it wouldn't cause any problems on a street engine.
2000 Cougar V6 MTX. Miko RSTB, FSTB, Tubular front and rear LCA's, Eibach Springs, KYB Struts, Baer Big Brake Kit, SVT UIM LIM & TB, PRT Trans Mounts, Fidanza Flywheel, Centerforce DF Clutch, Quaife LSD, OZ Superleggera 18x7" wheels, Soon WR Headers