Quote:
Originally Posted by 1ntCobra
From my reading of the thread about the KMS differential, it seems that the KMS differential is an option for both CSX continuation cars (aluminum or fiberglass) as well as for the Superformance cars. The option is obviously not called the KMS differential when you order the car, it is probably called something like the optional alumunium differential. It seems that if you pick that optional differential that you want to make sure it is installed correctly to make sure it does not self destruct.
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The Kirkham diff (identified by Shelby as a "Shelby 3.54 original style Differential") is included as standard for the CSX (aluminum and fiberglass), at least for the leaf spring (CSX 8000).
On the other hand, the KMS diff is an option for the Superformance, at extra cost. ("Upcharge for aluminum Salisbury type Diff (replaces ZF))
Thus, if you receive a CSX it makes sense to check the diff venting configuration regardless, as the diff is a KMS (but not assembled by Kirkham).