Boingo Posted May 28, 2015 Share Posted May 28, 2015 You guys are pretty on top of correct info, so here it is set to the experienced. I have two r200's out of a 76 and 85 both being 3.54 and found out its not going happen finding 3.9 r & p gear anywhere. At least I have the turbo cv shafts now . So now im on the prowl for a 3.9. My 260z late model is going be cruise, fun, proud car to own, not track or drag. It's going have the ls1 t56 or auto tranny. I see that one guy has a pretty cool bolt on set up for a ford 8.8 irs but going keep an eye out for a r200 for now. May even just grab a 80-83 MT NA r200 pumpkin being they are all 3.9, just not an lsd. ....So here is my question. I have read sites saying the r200 ratios for the 87-89 300zx NA being 3.9 and the turbos being 3.7 lsd...as the link from this site send you. Another site says they are all 3.7. The 4.11 would be fun but might be too much for what im going do with it. I realize i can just pop every cover off every one i see in the yard and check numbers on gears, but rather not until i think i have the right one..lol Save me from the insanity. Quote Link to comment Share on other sites More sharing options...
RB26powered74zcar Posted May 28, 2015 Share Posted May 28, 2015 So whats your question? Quote Link to comment Share on other sites More sharing options...
Boingo Posted May 28, 2015 Author Share Posted May 28, 2015 ..So here is my question. I have read sites saying the r200 ratios for the 87-89 300zx NA being 3.9 and the turbos being 3.7 lsd...as the link from this site send you. Another site says they are all 3.7. Are the NA 3.9 and the turbos 3.7 lsd or are they all 3.7's ? Quote Link to comment Share on other sites More sharing options...
NewZed Posted May 28, 2015 Share Posted May 28, 2015 Open up the PD chapters and take a look - http://www.nicoclub.com/archives/nissan-300zx-factory-service-manuals.html Quote Link to comment Share on other sites More sharing options...
Boingo Posted May 28, 2015 Author Share Posted May 28, 2015 (edited) Ok, huge thanks. I'll read up. That's cleared that up, the IZCC page was wrong. The 87 & 88 are are 3.70 NA and 3.54 turbo, Where the 89 is a 3.90 NA and 3.70 turbo Edited May 28, 2015 by Boingo Quote Link to comment Share on other sites More sharing options...
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