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Re: Restoring Rusty - Four Bolt Main
Engine Casting Number: 3970010 four bolt main - confirmed
Could GM make it more difficult to read the casting number, I mean to put it by the bell housing under the firewall, I had to get my Contortionist License just to read the darn thing
Anyway, did I mention it's a four bolt main? Heck maybe all the trucks were like that I don't know but four is better than two in my book.
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