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#50992 10/08/2005 8:09 PM | Joined: May 2003 Posts: 224 Wrench Fetcher | | Wrench Fetcher Joined: May 2003 Posts: 224 | so i have a three speed transmission that i need to identify, but have no idea how. anyone wanna try these numbers out, or point me in the direction of a place to look them up myself?
driver's side main body: GM 18 3952645
C 18 6
driver's side tail shaft: A 20 6
passenger's side main body (upside down): GM21
352269
passenger's side tail shaft: 326558 GM 52
any of this make sense to anyone? | | |
#50993 10/10/2005 8:56 AM | Joined: Dec 2004 Posts: 452 Member | | Member Joined: Dec 2004 Posts: 452 | Two of those casting numbers show up in a chart on this page . Those side cover and extension housing numbers appear to be from a Saginaw of '73-'75 vintage. I found another source that includes '76 for the extension housing (which was also used on the Saginaw 4-speeds). Your date codes suggest '76 as the year. I couldn't find your main case number.
Curt
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1953 Chevy 6400, 1957 Chevy 2dr Sedan
--"Mediocrity is easy, the good things take time"
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