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

3rd member Gear ratio for 47 olds?

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Old Sep 28, 2016 | 02:11 PM
  #1  
Shot Gun Rich's Avatar
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From: 1000 oaks ca
3rd member Gear ratio for 47 olds?

Does anyone know wat the gear ratio would be for a 1947 6 straight engine & for the 1947 8 straight engine on a 1947 olds business coupe model 66 & 68
Old Sep 28, 2016 | 02:33 PM
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oldcutlass's Avatar
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From: Poteau, Ok
410 or 430 I believe.
Old Sep 30, 2016 | 09:13 PM
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rc_peterson23@yahoo.com's Avatar
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To: Shot Gun Rich gear ratios

1st gear (6 cylinder 2.666:1)--- (8 cylinder 2.666:1) 2nd gear (6 cylinder 1.661:1( (8 cylinder 1.661:1) 3rd gear (6 cylinder Direct) (8 cylinder Direct) Gear Ratios. I hope this helps you. Good luck. RC
Old Oct 2, 2016 | 07:24 PM
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Chesrown 67 OAI's Avatar
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From: Dover, Ohio
its in your shop manual if u got oe my 42 is 410 and 430 automatic and stick
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