and the non turbo r33 without the LSD is the one with the E-ER33 FRAME.
other differences are:
GTS25 (E-ER33) is 140kw,
Standard features include - Rear spoiler, Rear seat lap sash belt, Side impact protection bars, Power windows, Central door locking, Steering wheel height adjust.
Optional features Limited slip differential, Front fog lamps, Rear window wiper, Driver airbag, Front passenger airbag, Anti-lock braking system, Navigation system, Leather steering wheel, Alloy wheels
GTS25 (E-ECR33) TYPE S is 147kw,
Standard features include - Limited slip differential, Rear spoiler, Rear window wiper, Rear seat lap sash belt, Side impact protection bars, Power windows, Central door locking, Steering wheel height adjust, Leather steering wheel, Alloy wheels.
Optional features Front fog lamps, Front spoiler, Driver airbag, Front passenger airbag, Anti-lock braking system, Navigation system
information from - http://english.auto.vl.ru/catalog/nissan/skyline/1993_8/ and http://www.motortraders.net/imports/select...e&period=79
Forgive mwa for any mistakes coz am a noobie. Lol.