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Option Code question for transmission
I have a C20 with manual transmission. It was originally option code 1MM4. Does anyone know what transmission this is? I'm assuming it's a muncie, but I want to make sure.
Thanks!
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There are 10 kinds of people in the world: those who understand binary and those who don't.
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1985 C20 Scottsdale 350/SM465
1978 C10 Silverado Big 10 3 on the Tree (sold)
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