RE: sure grip for 63?

[mcwheels@xxxxxxxxxxxx]

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Don, According to that article Dave is right but I haven't tried to 
change my center section yet. I have a 742 Sure Grip from a 67 Imperial 
that I want to put in my 63 Fury. Here's some more of the quote from 
that section of the article:

Section 1: Thrust Block Variations
There was a difference in thrust blocks prior to 1964 that make center 
section interchange, as well as axle interchange problematic. The thrust 
block, or "axle shaft thrust spacer", it thr block that both left and 
right axles butt up against inside the center of the differential. Prior 
to 1964, all open differentials used a thrust block was approximately 
1/8" to 1/4" thicker than units made after 1964. The Sure Grip thrust 
block prior to 1964, however, was indentical to all 1964 and later Sure 
Grips and open differentials. In 1964, the thrust block width was 
changed to match the Sure Grip thrust block width. 

This difference in thrust blocks between Sure Grip differentials and 
open differentials required that two different axles be produced for 
each 8-3/4" housing manufactured. This is true of all 1959-1963 cars 
with 8-3/4"s.

I've always found the info in this article to be correct but as we've 
all learned "Never say never with Mopar" BTW This article is well worth 
printing out and saving. Tons of good info on 8 3/4 rear ends, even the 
older ones. Here's the link again: Dan

http://www.autohobbydigest.com/8_75.html


Dave Casey wrote:
> 
> Don -
> 
>     If the axles came from a sure grip car, then they are already the 
> correct length. At some point the thrust block thickness of the open 
> carrier 
> was changed to that of the sure grip carrier. I personally have never 
> seen 
> the difference for myself, but I haven't messed with any pre-64 sure 
> grips 
> rears either.
> 
> Dave Casey
> 
> ----- Original Message ----- 
> From: "Don Dulmage" <big-d@xxxxxxxxxxxx>
> To: <1962to1965mopars@xxxxxxxxxx>
> Sent: Friday, October 28, 2005 6:31 AM
> Subject: sure grip for 63?
> 
> 
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> 
> 
> I have one in mine , no trouble , stock 63 axles with removable hubs.
> fits perfect. 69 tapered clutch type sure grip. Have never had trouble 
> with 
> this swap. I must have missed something
> Don
> Author of
> Return to Deutschland (True Adventure)
> Old Reliable (Mopar)
> http://stores.ebay.ca/Don-Dulmage-Enterprises
> [Non-text portions of this message have been removed]

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