Found this on google searching for transmission info, not because of my interest in fake Lambos ;-)
First about ratios and 930 "secrets":
http://www.lambolounge.com/Chassis/Transmi...ratio/index.asp
Gory 915 details:
http://www.lambolounge.com/Chassis/Transmi...ion/915/915.asp
This really piques my interest:
http://www.lambolounge.com/Chassis/Transmi...i-915/index.asp
If you go up to the "Chassis" section, there is also some interesting fabrication info on other areas that could be applicable to a 914 V8 conversion.
-datapace