[V8Vairs] Fwd: <VV> 4.56:1 Corvair Diff?

[Matt Nall]

Matt Nall
Charleston, Oregon
http://mysite.ncnetwork.net/reswr0kp/





-----Original Message-----
From: Matt Nall <patiomatt at aol.com>
To: paulsiano at yahoo.com
Sent: Sun, Sep 26, 2010 12:51 pm
Subject: Re: <VV> 4.56:1  Corvair Diff?


http://www.capitalcitycorvairs.com/files/rpmvsmph.xls




 Download it and put in your numbers..


  4.11's is the steepest ratio






Matt Nall
Charleston, Oregon
http://mysite.ncnetwork.net/reswr0kp/





-----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 12:25 pm
Subject: <VV> 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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