Engine and Transmission Tech

tips, technology, tools and techniques related to vehicle driveline components

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WernerVC
Werner Van Clapdurp
Lynchburg, Va
(108 posts)

Registered:
09/06/2009 12:56PM

Main British Car:
MGB 1977 Rover 3.5

repair differential
Posted by: WernerVC
Date: November 29, 2018 09:00PM

I am in the process of rebuilding the rear diff on my 1977 RB.
It has developed the dreaded "clunk" when accelerating.
The fix for this is the replacement of the 2 brass spacers. Unfortunately they are no longer available in brass and replaced with kind of fiber ones. Does anyone know why they did this and what about the long time durability of these new spacers ?.


mgb260
Jim Nichols
Sequim,WA
(2463 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: repair differential
Posted by: mgb260
Date: November 29, 2018 10:47PM

Werner, Glenn Towery on the MGexperience board has stainless thrust washers.


WernerVC
Werner Van Clapdurp
Lynchburg, Va
(108 posts)

Registered:
09/06/2009 12:56PM

Main British Car:
MGB 1977 Rover 3.5

Re: repair differential
Posted by: WernerVC
Date: December 02, 2018 07:44PM

Stainless has a bad friction coefficient so why use it ? The originals were made of bronze
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mgb260
Jim Nichols
Sequim,WA
(2463 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: repair differential
Posted by: mgb260
Date: December 26, 2018 04:00PM

Werner, The original are composite and the stainless is softer than the hardened steel gears. Most differentials use mild steel thrust washers and I like Toyota's design with oiling holes. Can't argue with Glenn's 600,000 miles on his!


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