Vintage Oldsmobiles Curved Dash, Limited Touring, Models 40, 53, 66; Series 60, 70, 90

57 olds rear diff

Old March 15th, 2019, 07:08 AM
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57 olds rear diff

my 57 olds 98 convertible was installed with a 4:2 rear end in it. Why I dont know, but I'd like to convert it back to something more stock like 3:42. Does anyone know where to get the parts to do this. I think Fabcraft is out of them.
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Old March 15th, 2019, 07:43 AM
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Wouldnít the obvious thing to do is actually call Fabcraft and find out? They built me a 3.42 as of a couple months ago with their new gears
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Old March 15th, 2019, 10:12 AM
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What ratio do you have ?
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Old March 17th, 2019, 08:46 AM
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Originally Posted by 59-59-59 View Post
Wouldnít the obvious thing to do is actually call Fabcraft and find out? They built me a 3.42 as of a couple months ago with their new gears
yeah I should. Iíve sent them several messages but havenít heard anything back. I should call
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Old March 17th, 2019, 08:48 AM
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Originally Posted by OLDSter Ralph View Post
What ratio do you have ?
i think itís a 4:2.
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