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Old 01-02-2017, 07:04 PM   #20650
tgd89
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Join Date: Oct 2005
Location: abq nm
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Quote:
Originally Posted by dorkidori_s13 View Post
you need BOTH output shafts from the S15 diff. ALL VLSD S13/S14/R200/R230 rear ends are 29 spline EXCEPT for S15 and R34 GTS-T R200 HLSDs which are 30 spline. if you have an S15 HLSD but are missing the output shafts, its basically useless!

S15 diffs will fit just fine into any S13/S14 R200 pumpkin, the only concern is the driveshaft length with ABS equipped cars (not sure if S14s had this problem). i know for a fact you can reuse the S13 ring gear bolts on an S15 HLSD (did it on mine). S14 ring gear bolts may be slightly different, but they should work (any S14 guys wanna chime in?)

also the ring gear and pinion in the S15 diff fit just fine into an R200 diff as well.
Quote:
Originally Posted by solo_ryder View Post
The driveshaft length shouldnt matter I would think as you are using the same pumpkin and the same pinion. The ring gear bolts on both the s13 and s14 are a 12mm thread and shank bolt BUT the holes on the s15 diff are 13mm.. Some people use bushings.. some use tape around the bolt shank... some people just put the stock bolts back in as is (they are torqued quite tight) and have had no issues or you can can buy the nismo bolts (PN - 38102-RS500) which are 12mm thread and 13mm shank. 10 bolts are needed IIRC

I bought mine here, best price I could find about 1-2 weeks shipping:

http://www.rhdjapan.com/nismo-differ...gear-bolt.html
Yeah I'm grabbing the s15 output shafts and the nismo bolts, using my stock RP and pumpkin. I found some conflicting info on the s14 VLSD pumpkin not working, but R200 should be R200... I'd really like to keep the ABS diff to use the speed sensor for a CD009 build.
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