Porsche trans of course IMO. By the time you build-up a T1 tranny with Berg 5 speed kit, and add super diff and the other goodies. A (used) stock 901, 914, or 915 is about the same price. Going 5 speed is not really econo, compared to a built T1 4 speed with right gearing.
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1970 T1 W/MassIVe 2913cc RAT/?EFI? w/direct fire (very soon) and 915 trans
1962 SC 1776cc SP 944NA brakes, 993 wheels
VKG
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