1972 240z Posted December 21, 2009 Share Posted December 21, 2009 I am restoring a 240z and putting a RB25DET in it and was wondering about the diff. I know people have put Subaru r160 LSDs in it but how much horsepower can they hold and what do you do for the axles? Thanks, Quote Link to comment Share on other sites More sharing options...
NZeder Posted December 21, 2009 Share Posted December 21, 2009 I am restoring a 240z and putting a RB25DET in it and was wondering about the diff. I know people have put Subaru r160 LSDs in it but how much horsepower can they hold and what do you do for the axles? Thanks, R160 too small big time - R200 is what you need after all this is what Nissan used behind the RB25DET anyway just the later shortnose type. Search on here and you will find a number of solutions + you would be best to convert to CVs and also install the later stub axles, if not you will be replacing these later when the RB25DET breaks them after some hard launches Quote Link to comment Share on other sites More sharing options...
kiwi303 Posted December 21, 2009 Share Posted December 21, 2009 R160 subies are found in either sedate little granny tuned base model subies, or sharing the power with a front diff, so not as much power to deal with as a RWD car has to when putting the same or more power through half the number of driven wheels. If you want a straight bolt up, get a R180 LSD and hope it doesn't break, or beter yet, do as NZDer says and put in a R200 Quote Link to comment Share on other sites More sharing options...
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