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Old 03-19-2024, 01:49 PM   #4
cericd
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Join Date: Jan 2012
Location: Texan, back in TX
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Re: Which 3OTT Transmission Do I Have

According to the pic at geezer#99's link, since my cover has 7 bolts, I have either a Muncie or a Saginaw. According to some info I found online it's probably a Saginaw due to the bolt tab at the center top.

Here's the info I found online.

"The real trouble with Muncie SM330 is that they are nearly identical to the Saginaw three speeds, the quickest, and most sure way to identify a Saginaw from a Muncie is the side cover;

The Saginaw three speed has a single centered "ear" bolt boss:

The Muncie three speed has two "ears" on either side of the top of the cover:
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My 1970 SWB C/10 - https://67-72chevytrucks.com/vboard/...d.php?t=534872
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