Durability of Spitfire 4.11:1 differentials

["Michael D. Nugent, Ph.D." <nugentmd@gte.net>]

How long would you expect a Spitfire 4.11:1 differential to last in a
GT6 with OD (stock ratio with OD is 3.89:1) subjected to spirited but
not brutal street use?  A few days, weeks, months, or years?

--
Mike
Renton, WA
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