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Do A/T differentials work on M/T differentials?

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Old 05-01-2015, 08:17 PM
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carlexis99
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Default Do A/T differentials work on M/T differentials?
I bought a base model 350z with a manual transmission and I wanna know if I can put an automatic transmission differential on it with no problems . this is my first 350z and its my second car
Last edited by carlexis99; 05-01-2015 at 08:27 PM.
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Old 05-02-2015, 08:56 AM
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jdm-v35
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why would you do that? you can swap the whole pumpkin no problem but you'd be slower...
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Old 05-02-2015, 12:23 PM
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carlexis99
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I wanted to swap it out because I want an lsd differential
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Old 05-02-2015, 12:57 PM
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Originally Posted by jdm-v35
why would you do that? you can swap the whole pumpkin no problem but you'd be slower...
I wanted to swap it out because I want an lsd differential
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Old 05-02-2015, 01:02 PM
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Jennifer 2
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Carlex the differential unit will bolt right in, however the gear ratio is different for the automatic cars (3.3 for the autos and 3.5 for the manuals) An auto diff will kill the acceleration in your 6-speed car.
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Old 05-02-2015, 01:10 PM
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Cux350z
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Originally Posted by Jennifer 2
An auto diff will kill the acceleration in your 6-speed car.

Not if you strap on two turbos....



OP i did the swap for my 6mt to the 5mt 3.3FD. If you plan to stay NA it may kill your acceleration but you will get better MPG which is what a sports car is meant for.
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Old 05-02-2015, 03:28 PM
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carlexis99
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Is there a cheap alternative to make my open diffferential car to an lsd?
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Old 05-02-2015, 03:31 PM
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bealljk
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Originally Posted by carlexis99
Is there a cheap alternative to make my open diffferential car to an lsd?
nothing is cheap on this platform...
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Old 05-03-2015, 09:07 AM
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drvqz33
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Originally Posted by Cux350z
Not if you strap on two turbos....
Was going to say the same thing haha. FI ftw

Originally Posted by bealljk
nothing is cheap on this platform...
Agreed.
Last edited by drvqz33; 05-03-2015 at 09:08 AM.
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Old 05-03-2015, 09:25 AM
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FOOKhonda
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Originally Posted by carlexis99
Is there a cheap alternative to make my open diffferential car to an lsd?
You could make it a welded diff, but I wouldn't lol
Last edited by FOOKhonda; 05-03-2015 at 09:26 AM.
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Old 05-03-2015, 12:54 PM
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Originally Posted by carlexis99
I bought a base model 350z with a manual transmission and I wanna know if I can put an automatic transmission differential on it with no problems . this is my first 350z and its my second car

I would think this would require a rebuild since the AT diff is larger.
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Old 05-05-2015, 09:21 AM
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SQuaLZ
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Originally Posted by carlexis99
Is there a cheap alternative to make my open diffferential car to an lsd?
Just wait until you find a OEM VLSD from a 6-speed. That's what I did.
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