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Old 03-01-2016, 01:12 AM   #9
Mark's 37
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Join Date: Jul 2015
Location: Aptos, Ca
Posts: 355
Default Re: welch plug 21 stud engine.

Quote:
Originally Posted by fftoddster View Post
No inside the engine actually looks pretty good. It was just the little area outside of area where the welch plug sits outwards.
I have a 37 engine with the pan off on the engine stand. I will pop one of the plugs out tomorrow and see if I can size the hole.
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