08-15-2019, 11:39 AM
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#2 (permalink)
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Base Member
Join Date: Feb 2019
Location: Bay Area, CA
Posts: 8
Drives: 2016 370z Nismo
Rep Power: 8
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Quote:
Originally Posted by CrunchyCajun
Has anyone made this swap? The entire rear diff from the Nismo 7A into a non Nismo 7A? The Nismo should cut a couple tenths off 0-60.
My understanding is that people who have changed the rear end gear ratio with the 7A lose cruise. My question is, if I swap the entire differential, with the NISMO 7A, will the cruise work?
I have a bad pinion bearing at 55k miles and thinking of just swapping out the units, but not interested if it creates a secondary issue like non functional cruise.
Thanks
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I can't directly answer your question but my educated guess would be yes and cruise control should work.
I had an 2012 g37 7A (open diff) and i swapped in a 370z manual diff for the final drive advantage. If i was able to pull that off (cruise control worked), which is more complex than going from a 7A to another 7A, I can't imagine you having a ton of issues. They should have the same flange and everything but I'd see if you can confirm. I do hear people lose cruise control when going to the 4.08 final drive, but haven't seen any issues swapping OEM diffs.
Just my personal experience, hope it helps. 
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