[FC] FC powertrain WITH late car components

[Clark Hartzel]

If you look at the differential case (what the ring gear is bolted to) and
cover, the projections past the bearings are longer.  The late stub axles
are also longer to accommodate this.  The side bearing retainers on the
carrier are also different to clear the wider case and cover.  Best to use
the correct parts!
Clark Hartzel

-----Original Message-----
From: corvanatics-bounces at corvair.org
[mailto:corvanatics-bounces at corvair.org] On Behalf Of N2VZD at aol.com
Sent: Monday, March 26, 2012 5:40 AM
To: lonzovair at aol.com; phuel63 at yahoo.com; corvanatics at corvair.org
Subject: Re: [FC] FC powertrain WITH late car components

IF you run a late differential in an FC , the axles will both bind up on  
the last few threads of tightening the wheel bearing retainers!. I ran late

differential parts several years ago because parts were from  very low  
mileage units...and did a LOT of checking to figure out why the axles would
not  
turn at all after the last tightening . This was 2 separate vehicles at the 
same  time. I made spacers to go between the backing plates and the control 
arm , but  after a few thousand miles , I put the correct cases AND axle 
side carrier parts  in. It was stressing the axle bearings. I still have the

leftover parts here  from that simple? nitemare idea.
My advise is get the right differential..I  wrote about this several years 
ago..and when thinking how good an idea it was ,  posted pictures of the 
spacers etc on the website   _http://corvair.de/n2vzd/_ 
(http://corvair.de/n2vzd/) 
Hope this saves you a lot of trouble.... FACT  the axle will be out  over 
1/4 inch too far with a late differential...which pushes hard on the outer  
bearing race...binding it up in most cases. plus the speedo issue if a late 
car  case. (there is always electronic speedometer if so inclined).
regards. Tim Colson.
 
 

 
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