Quote Originally Posted by Turbocharged400sbc View Post
to be clear....I have not tried oem manifolds/flanges, pacesetters have loose flanges that can be clocked, the zzp headers have nothing in that area as its a slip connection under the TB for their crossover pipe plumbing

but at most id say youd have to hit it with a grinder
If I had the extra money I'd totally convince my wife that I need headers now. XD