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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 05-26-2020, 01:39 PM   #1
blacksr
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Q45 diff questions

I've been researching options for a longer final drive in preparation for a cd swap into my s13. I think the 3.69 will be best for me so I'm looking at 97-01 q45. my axles are 3x2. from what I've found it seems I can use j30 axles with my stock hubs or z33 axles with z32 na rear hubs. is that right?

how about rebuild? these are getting old and some I've seen have over 200k miles on them. can I or should I replace any components to prevent failure?

aftermarket LSDs that fit? are there any?
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Old 05-26-2020, 03:42 PM   #2
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Z32 na hubs are the same as 240sx hubs as in diameter nd splines

Z32 tt hubs are diffrent..
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Old 06-29-2020, 02:23 AM   #3
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I've been researching

Quote:
Originally Posted by blacksr View Post
I've been researching options for a longer final drive in preparation for a cd swap into my s13. I think the 3.69 will be best for me so I'm looking at 97-01 q45. my axles are 3x2. moto x3m from what I've found it seems I can use j30 axles with my stock hubs or z33 axles with z32 na rear hubs. is that right?

how about rebuild? these are getting old and some I've seen have over 200k miles on them. can I or should I replace any components to prevent failure?

aftermarket LSDs that fit? are there any?
I choose LSDs!
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Old 07-03-2020, 05:11 AM   #4
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If you have to rebuild it, just swap the ring and pinion into your S13 housing. Then you don't have to worry about sorting out axles. Just need the pinion seal, pinion bearings, and axle seals. May want to replace the side diff bearings also.
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