<VV> DIFFERENTIAL RATIO COMMENTS

[jvhroberts at aol.com]

 Technically, the differential is 1:1. The final drive, however, is what you're talking about. 

Had an FC once. 3.55 is the way to go here. 3.89 would be better. 

 

John Roberts
 

 

-----Original Message-----
From: N2VZD <N2VZD at aol.com>
To: virtualvairs <virtualvairs at corvair.org>
Sent: Sun, Jan 29, 2012 7:28 am
Subject: Re: <VV> DIFFERENTIAL RATIO COMMENTS


I am now not sure if I want a 3:55  or a 3:27 in my rampy. I have a  3:27 
in it now running ok with a 95hp powerglide. I just parted out a 64 FC WB  
110hp with powerglide and 3:55. I am building a new motor from scratch for it 
,  using the correct 64 FC powerglide . Now I am thinking maybe I might like 
the  3:55 better on hills etc, without THAT  much difference in fuel  
economy..??  I plan on driving it quite a bit in good weather on all kinds  of 
roads.  Has anyone used both , and can comment on this?  I have the  3:27 in 
it for a while now  for thruway cruising and fuel mileage , but raw  hills 
south of here are a slight challenge.
Yes I will be resealing and checking the 3:55 out carefully.
Regards , Tim Colson   "still playing with Corvairs"
 
 
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