what rear gear ratio came in my 1961 C1

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09-02-2015, 12:30 AM

grumpy10956

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what rear gear ratio came in my 1961 C1

hi guys , curious on what rear gear ratio came in my 1961 C1 came from the factory, is there a way to tell ??

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09-02-2015, 04:08 AM

Randy G.

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Quote:

Originally Posted by grumpy10956

hi guys , curious on what rear gear ratio came in my 1961 C1 came from the factory, is there a way to tell ??

Does it have the original carrier in it? There a code stamped on it. Otherwise you would need to know what the original engine/tranny combo it came with to guess.

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09-02-2015, 07:03 AM

Frankie the Fink

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Army

The factory combinations are in the Specifications section of the ST-12:
http://chevy.oldcarmanualproject.com...62csg1402.html

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09-02-2015, 10:38 AM

grumpy10956

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hi guys . where is the code stamped into the Ham or carrier ??
many thanks, grupmy

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09-02-2015, 02:03 PM

Frankie the Fink

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Army

It never hurts to do the wheel spin test to make sure even with this chart; some of these pumpkins have had other ring/pinion setups installed or even whole Eaton posi units...

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