accessory bolt holes question - depths
By Supercar
My 72 Swinger currently has a 400 Big Block in it. Previously the pulley/bracket/belt setup had been a mix and match nightmare, I've since sorted that out and now I need to use the top bolt hole on the passenger side head for an alternator mounting bolt. They are stock cast iron heads and there are 3 holes on the passenger side, all of them 3/8"-16 but the one I need to use doesn't allow the bolt to go in as far as the others. Does anyone know if this is normal? I will try to get a... Read more

