You forgot about the 915 tranny
. It can handle the 200bhp easily in stock form. The 911 started using this tranny in '72. From '72-'74 it had a 7:31 R/P. Then in '75 it got a 8:31 R/P. The 915 case was made of magnesium from '72-'77, then switched to aluminum case in '78 for better strength.
If you "drag race start" any stock Porsche, or VW tranny in first gear it will not last long.
You should check out Martin from
www.bugat5speed.de he also has a section here on Germanlook in the vendors section.
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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