The original Mk1 GT40 uses a Dash "0" box....many original owners remove the zero box and replace with the more readily available -2...
So in reality the question should be where can you buy a dash zero box to be authentic....or an even earlier unit was the Coletti (p.o.s) from all accounts
The Mk2 and Mk4 use a T44 4 speed transaxle that was made from an amalgamation of a Ford 9 inch diff and a 4 speed toploader turned into a transaxle... these are now available new for approx 35-37k ...
Jerry has done some ZF units for RCR customers and is currently at then Run and Gun watching one being put through its paces... GO DEAN...
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