[V8Vairs] Posi or Non Posi - Which is Better for a Crown Conversion?

[Ken Hand]

 ??? In actuality the posi is weaker than a standard open diff. It can be made to be as strong with little machine work and welding. As far as the potential for failure of the ring and pinion, the stronger the rest of the components become, the next weakest link will fail whatever that may be.
??? It has already been mentioned but the 4 spider setup is the way to go for anything other than pure stock.


 


Ken Hand
248-613-8586
www.corvairmechanic.com 

 


 

-----Original Message-----
From: Bryan Blackwell <bryan at skiblack.com>
To: discussion of non-stock engines in Corvairs <v8vairs at corvair.org>
Sent: Sun, 2 Mar 2008 9:45 pm
Subject: Re: [V8Vairs] Posi or Non Posi - Which is Better for a Crown Conversion?










It seems to me that a posi would be stronger, but like you I'd like  
to hear the answer from someone with more experience than I.

--Bryan

On Mar 2, 2008, at 7:38 PM, Paul Siano wrote:

> Given the relatively fragile Corvair ring gear, a four spider gear  
> set-up makes sense for a
>   V-8.  All other things equal, does a posi-traction unit increase  
> or decrease the possibility of ring gear failure?

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