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Old 02-25-2015, 02:58 AM   #1
minitruckr28
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3 speed questions

Hello guys, i have a 1979 chevy shortbed with a 250 straight six and a 3 speed. i was wondering if any one know the serial number for these trannys. When i bought the truck the tranny was pulled and and there are to trannts in the bed both three sppeed both different but the same bolt pattern? Will a early c10 tranny work in it? thanks
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Old 02-25-2015, 08:10 AM   #2
Keith Seymore
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Re: 3 speed questions

Can you post a pic?

The original three speed would have been a Saginaw (with one of two low gear ratios) and was essentially a passenger car transmission.

K
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Old 02-25-2015, 08:32 AM   #3
walkerb
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Re: 3 speed questions

should be a 5 bolt truck Saginaw.
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Old 02-26-2015, 04:51 PM   #4
minitruckr28
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Re: 3 speed questions

i found out its a muncie but its junk the gears are fragged time for rebuild lol
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Old 02-26-2015, 06:57 PM   #5
greg64
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Re: 3 speed questions

Do you do any highway driving with your truck? I have a lot of experience with 250 straight sixes, and may have some advice you can use.
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Old 03-01-2015, 09:24 PM   #6
minitruckr28
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Re: 3 speed questions

No not really............Ill most likely change it to a 350 and auto soon
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