DO NOT run synthetic in a 915! The syncros NEED friction to work correctly. Synthetic lets them slip. Many a 915 have failed from switching to synthetic...ask any porsche tranny builder.
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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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