B34ST_GTR Posted October 31, 2007 Share Posted October 31, 2007 I know its been covered a million times but i just cant seem to get a straight answer from the search engine, all 8 pages X-Speed gave me Motul 75w90 LSD for my rear diff. It just seems really thin to me and people seem to talk of the 75w140 alot for this diff. I just spent $1200 completely replacing crown wheel and pinion and all bearings and seals...... the last thing i want is the wrong oil! much apprieciated Link to comment https://www.sau.com.au/forums/topic/191619-r34-gtr-diff/ Share on other sites More sharing options...
chook Posted October 31, 2007 Share Posted October 31, 2007 I know its been covered a million times but i just cant seem to get a straight answer from the search engine, all 8 pages X-Speed gave me Motul 75w90 LSD for my rear diff. It just seems really thin to me and people seem to talk of the 75w140 alot for this diff. I just spent $1200 completely replacing crown wheel and pinion and all bearings and seals...... the last thing i want is the wrong oil! much apprieciated Doesnt the R34 GTR use a Helical LSD, same as the S15 spec R ? If so, then you should use a non-LSD oil. I have a helical LSD and use Castrol Syntrax 75W-90. check castrols site under S15 diff oil, they specify the use of non-lsd oil. Link to comment https://www.sau.com.au/forums/topic/191619-r34-gtr-diff/#findComment-3448207 Share on other sites More sharing options...
STATUS Posted November 1, 2007 Share Posted November 1, 2007 dont use heavier than 75w-90 in the R34 GTR diff. Motul recomend GEAR 300 in the diff. Link to comment https://www.sau.com.au/forums/topic/191619-r34-gtr-diff/#findComment-3448517 Share on other sites More sharing options...
B34ST_GTR Posted November 1, 2007 Author Share Posted November 1, 2007 dont use heavier than 75w-90 in the R34 GTR diff. So the motul 75w90 is the goods. pheww... i have every confidence in X-Speed its just that when i got home, i realized he didnt ask me what type of gtr the oil was for. Link to comment https://www.sau.com.au/forums/topic/191619-r34-gtr-diff/#findComment-3448723 Share on other sites More sharing options...
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