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Re: Transmission Fun
Some of those casting numbers are date code (date the housing was cast) and there may be a shift code as to what shift did the casting. This chart somewhat gives you and idea of what trans you have if you look at the Chevy trans or the Saginaw or Muncie in the three speed section. Close enough that you can look at the trans and figure it out. https://www.flowmastermufflers.com//...ogs/Manual.pdf
Not sure how Flowmaster got involved in transmissions though.
There are guys who are really into the casting number thing and how to figure them out. I'm not so great at that as if I can't find it by a Google search of the number or a bit of Looking though casting number lists I'm lost.
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Founding member of the too many projects, too little time and money club.
My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
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