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  • CV & Halfshaft Axle Upgrades

    For some reason I can't buy a new RH axle, and my axles are pretty shot. Because of this, I'd like to upgrade. Ideally, I'd like to run 300zx TT wheel bearings and hubs, along with 300zx TT axles. Do these have the same bolt pattern on the diff side as the NA axles (I've got the NA z32 stubs already)?

    Also, I've seen some ads claim the S13 and S14 passenger side axle to be the same. Can anyone confirm this?

  • #2
    The z32 TT uses a different flange for the axle, doesn't it? And the splines into the hub are bigger (and won't work).

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    • #3
      Originally posted by e1_griego View Post
      The z32 TT uses a different flange for the axle, doesn't it? And the splines into the hub are bigger (and won't work).
      The flange side is what I'm concerned with. Like I said, I already have 300zx NA flanges for the diff. I can use z32TT outer hubs for the larger splines. It'd give me a larger bearing, which I'm hoping will translate into more durability.

      Looks like the J30 axles are pretty close to the S14. I might pick up a pair of those for now since my current CVs are pretty shot.

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      • #4
        i have two Q45 rear hubs, that bolt right on and the splines are 2mm bigger than 300zx, 240sx splines. just saying
        www.nonamemotorsports.com

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        • #5
          Originally posted by Hey DON View Post
          i have two Q45 rear hubs, that bolt right on and the splines are 2mm bigger than 300zx, 240sx splines. just saying
          Yeah, I think the Q45 is the same size as the Z32 TT bearing/spline on the wheel side of things. But it's longer I think...?

          I'm almost positive the inner flange to the differential is the same bolt patter from NA to TT. I have a stash of parts at a buddy's house, I can take some measurements if needed.

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          • #6
            Not to be anal about this but neither the S-chassis or Z32's, etc use CV joints to my knowledge. I believe they all use 3 roller tripod joints on both ends of the 1/2 axles. A real 5-ball CV joint would be an upgrade but a larger tripod joint would help as well. Has anyone pulled the boots on the Z32 or J series 1/2 axles to compare?
            Don Johnson (really!)
            Just so you know.

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            • #7
              Originally posted by eazye2000 View Post
              Yeah, I think the Q45 is the same size as the Z32 TT bearing/spline on the wheel side of things. But it's longer I think...?

              I'm almost positive the inner flange to the differential is the same bolt patter from NA to TT. I have a stash of parts at a buddy's house, I can take some measurements if needed.
              It would be great if you could confirm the bolt patterns being compatible between the TT and NA axles. I'm a confirmation away from buying parts

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              • #8
                I hope this helps you:


                http://forums.hybridz.org/index.php/...40sx-subframe/
                1990 240sx - Aristo 2JZGTE, R154, GT37, Defsport Wilwood kit, KTS coilovers - daily driver
                1991 civic si - B18C5 / toda / ATS / hytech - autox
                2001 integra type R - Greddy td05-18g - garage queen

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                • #9
                  ^ bingo theres the info.

                  Basically

                  Q45/Z32TT hubs, Q45 LH axle as rh 240sx axle, Z32TT LH axle as 240sx LH axle.

                  Q45 diff assembly ( *should*) be able to swap on J30 or whichever other R&P to get the gear ratio back where you want it.

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                  • #10
                    Maybe look into doing a full ford 8.8 swap if u wanna be baller? I about did this....

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                    • #11
                      I've heard the Ford diffs are heavy, even the aluminum case Cobra ones. The R200 is honestly so overbuilt for the power levels anybody is running on this forum that I don't think I'd bother.

                      If you've got 5 bolt output shafts, J30 axles are quite a bit stronger than S13 stuff at a small weight penalty.
                      '18 Chevrolet Volt - Electric fun hatch for DD duty!


                      DefSport Koni Sleeve and Spring Perch Buy!!!
                      http://www.nissanroadracing.com/showthread.php?t=5902

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                      • #12
                        Originally posted by Def View Post
                        If you've got 5 bolt output shafts, J30 axles are quite a bit stronger than S13 stuff at a small weight penalty.
                        Could the same be said about the 6-bolt J30 axles?

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                        • #13
                          Originally posted by Def View Post
                          I've heard the Ford diffs are heavy, even the aluminum case Cobra ones. The R200 is honestly so overbuilt for the power levels anybody is running on this forum that I don't think I'd bother.

                          If you've got 5 bolt output shafts, J30 axles are quite a bit stronger than S13 stuff at a small weight penalty.
                          orly? What about an LS2 swap pushing at about 500hp and 450-470ish ft/lbs? R200 isn't that strong iirc? I think it's claimed the R230 can handle that kinda power, no?

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                          • #14
                            Originally posted by AceInHole View Post
                            Could the same be said about the 6-bolt J30 axles?
                            Yes, I just threw in a set not to long ago.
                            -Monty

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                            • #15
                              Originally posted by Beejis60 View Post
                              orly? What about an LS2 swap pushing at about 500hp and 450-470ish ft/lbs? R200 isn't that strong iirc? I think it's claimed the R230 can handle that kinda power, no?
                              There are plenty of KA-Ts pushing more power than that with short gears and slicks.

                              You won't break an R200 from rolling on the power - the axles will give out before that. Slicks put a huge strain on it, but it's generally the stoutest part of the drivetrain.

                              All the 600-700 rwhp S chassis run R200s. Plus if you munch one (doubt it), they're dirt cheap.
                              '18 Chevrolet Volt - Electric fun hatch for DD duty!


                              DefSport Koni Sleeve and Spring Perch Buy!!!
                              http://www.nissanroadracing.com/showthread.php?t=5902

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