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swapping rear differentials...

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Old 11-18-2007, 10:24 PM
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AGent_SaMo
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ok heres the deal. I have a base model 2005 350z and I also have a 2007 G35S. Now, i want to swap the rear diffs because the G has a VLSD and the Z does not. Will it directly bolt up? Is this swap possible or am i going to run into obstacles?

-Sam
Old 11-18-2007, 10:28 PM
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Hraesvelg
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Originally Posted by AGent_SaMo
ok heres the deal. I have a base model 2005 350z and I also have a 2007 G35S. Now, i want to swap the rear diffs because the G has a VLSD and the Z does not. Will it directly bolt up? Is this swap possible or am i going to run into obstacles?

-Sam
Robbing Peter to pay Paul?

You own both cars in question?
Old 11-18-2007, 10:37 PM
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AGent_SaMo
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yes i do
Old 11-19-2007, 07:48 AM
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helldorado
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The FD ratios are different. 2007 G35 sedan uses the 3.692 and your base Z uses the 3.538. So there's more to it than just swapping for the VLSD.
Old 11-19-2007, 08:54 AM
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AGent_SaMo
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i wanted to swap out the whole pumpkin becuase i have a 4.0 final drive going in anyways. So my question is...would the pumpkins swap out without any problems?

-Sam
Old 11-19-2007, 11:39 AM
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helldorado
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The pumpkins should swap, but its no gaurantee. The 2007 G35 sedan is an updated platform, unlike the 2007 Z. I don't think anybody has tried that swap yet.

If you're going to swap in the higher gears, why bother swapping pumpkins and just rebuild your Z's pumpkin with a better diff at the same time? The effort you'll go through just to get the VLSD from the G35, while making that car slower, I just don't see the logic in it.
Old 11-19-2007, 02:17 PM
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Lawn Dart
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Better gas mileage for the G and a better gear ratio, plus a VLSD for the Z. Makes sense to me.
Old 11-21-2007, 06:22 PM
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Yes, they are compatible.
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