2 years ago driving down road valve drops,hole in head, distroyed piston blown up engine-Problem valve set eat away 350 chevy. New motor-2nd time cam shaft lobe flat, bad valve seat-new cam, rebuilt head 350 chevy. Third time driving down road valve drops-blown engine 350 chevy. Whats up? Is Roush racing making all my chevy motors and part's? Going to have to put in another motor. Any one know of other's having this many problems on one truck?
