Yup, I never said you had to use helicoil. If you drill and tap to a larger size you will also have to drill the exhaust flange and get a new bolt. Heli coil will keep you from needing to drill the flange and getting a larger bolt
Yup, I never said you had to use helicoil. If you drill and tap to a larger size you will also have to drill the exhaust flange and get a new bolt. Heli coil will keep you from needing to drill the flange and getting a larger bolt