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Old 10-17-2013, 10:45 AM   #1
63chevyfleet
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difference between 3 speed trannys

Hey y'all on the board my question..... ok I have a 63 c10 and my original tranmy went out because of the syncros in the tranny. Now my question will 55-57 car 3 speed trannys fit in 60-66 chevy trucks? Like clutch spline?
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Old 10-17-2013, 05:22 PM   #2
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Re: difference between 3 speed trannys

The bolt up to the bell housing & clutch is the same but you may run into problems with shift linkage & drive shaft length.
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Old 10-17-2013, 05:41 PM   #3
63burban
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Re: difference between 3 speed trannys

Physically the same but different ratios in first and second.
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Old 10-17-2013, 07:03 PM   #4
63chevyfleet
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Re: difference between 3 speed trannys

Oh OK...thanks for the replys.....can I measure the length of the trannys from the front to the tail end? And if it is the same I should be fine right?
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Old 10-17-2013, 08:17 PM   #5
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Re: difference between 3 speed trannys

hook onto the front of the main case and measure until the end of the tail shaft case. you should be aable to find a replacement 3 speed fairly easy though. if you were closer, id give you one.

as stated above, i think linkage will be your biggest issue to retain the column mount
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Old 10-18-2013, 12:47 PM   #6
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Re: difference between 3 speed trannys

if for some reason the linkage to trans is different just use your old side plate off the old one.
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