Proper Exhaust Diameter fo a 4bbl 225?

Slugfarm said

A bit of an update. When the mechanic opened up the engine to retune the valves he found an exploded rocker and a valve sucked into the head, all of which might have a bit to do with the issues I was having:eek:. Luckily the rebuild is still under warranty. Might be time to find another garage.

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Joes garage should fix that up. I know North Eugene Automotive off River Road used to be the spot for old Mopars. The original owner Rick LaChance was an avid drag racer in a 69 Dart that ran 9s. He has since passed of brain cancer but there was a younger guy working there that took the shop over that has been there for awhile. Dustin