[V8Vairs] 4.56:1 Corvair Diff?

[Rick Norris]

I ran a 3:27 in my Crown and had a 3:08 gear on the shelf but, sold it to 
another V8 guy. My car would easily do over 120 indicated.

Rick Norris
#36 Sunoco Corvair
www.corvairalley.com

>
> I've never heard of a 4.56 ratio, 4.11 aftermarket yes. I know what you 
> have told me about your car, buying it new and all and as a Corsa turbo it 
> would have come with a 3.55.
>
> Could there have been clutch slippage? The tire diameter as I remember is 
> close to stock.
>
>
>
> Ken Hand
> 248-613-8586
> www.corvairmechanic.com
>
>
>
>
> -----Original Message-----
> From: paulsiano at aol.com <paulsiano at yahoo.com>
> To: Archibald Evans <ade383 at hotmail.com>; Steve Julius <scjulius at cox.net>; 
> Rick Norris <ricknorris at suddenlink.net>; Frank Parker <fparker at umich.edu>; 
> V-8 Vairs <v8vairs at corvair.org>; Virtual Vairs <virtualvairs at corvair.org>
> Sent: Sun, Sep 26, 2010 3:25 pm
> Subject: [V8Vairs] 4.56:1  Corvair Diff?
>
>
> I bought my 1966 Corsa tubro new and four years later started a Crown
> conversion.  I have always been under the impression the differential was 
> 3.55.
>
> ...and then this email arrived today from Don Sherman:
>
>
>
> I also met with your engine builder and his lovely mother.  This
> prompted a few calculations which I just made.  I am convinced the
> final drive ratio in your car is 4.56:1.  That matches perfectly to
> the observed speeds in gears--39 in first, 55 in second, 82 in third
> and 120 in fourth, all at 7500 rpm.  Do you find that credible?
> Surprising?  sincerely, ds
>
>
>
> Do 4.56 ring and pinions exist for Corvairs?
>
> I'm all ears.
>
> Paul
>
>
>
>
>
>
>
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