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| Transmissions and Rear Ends Three on the tree or four in the floor? Shift it all here. |
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#1
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I have a truck that has the sm318 3sp. I am thinking obout changing to sm420, is it a different bell housing? And will I need to change drive shaft. I quess I would need taller transmitton hump? Bob
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#2
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__________________
1961 GMC Suburban 305A Overdrive 1962 GMC Utility 305D |
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#3
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Thanks for the link
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