Hello all,
I thought I would post this here since this is technically a performance "mod".
I have a big block chevy with the cast Iron manifold, and I want to block the 2 little holes at the ends of the exhaust crossover, at the carb mounting (I've already blocked the passage between the head and manifold).
I read that these are 7/16" holes, so I'm looking for brass 7/16 freeze plugs, but I cant find any. Does anyone know a source? I've tried Dorman, Ersco, Sealed Power, and a few others.
Last edited by Urp; 01/11/2011 9:44 PM.
