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Old 09-01-2003, 16:16   #1 (permalink)
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Diff Gears

Has anyone changed their diff gears in the new BA's yet ? I noticed that the XR8 has 3.23 while the XR6T has 3.45, which would explain its good 0-100 times.

I am thinking of putting 3.7's or 3.9's in my XR8 ute. Which should make it pull 0-100's in high 5's or flat 6's, making it quicker than the SS which also runs 3.45's.

If anyone has any thoughts on this please let me know.
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Old 09-01-2003, 17:19   #2 (permalink)
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Re: Diff Gears

Auto XR8 utes have 3.45:1.
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Old 09-01-2003, 20:39   #3 (permalink)
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Re: Diff Gears

When (that's right - WHEN) the 3.7 gears become available for the larger Dana style diff in the BA V8s, join the queue behind me. I'm first off the rank for that mod!
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Old 09-01-2003, 21:16   #4 (permalink)
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Re: Diff Gears

3.7 and 3.9:1 certainly will give you better accelleration but fuel economy on highway use will suffer. On the up side AP,another 200 rpm or so just might get rid of that resonating noise you were getting with your stainless system when highway cruising.
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Old 09-02-2003, 03:20   #5 (permalink)
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Re: Re: Diff Gears

Quote:
Originally Posted by rod c
Auto XR8 utes have 3.45:1.
Auto XR8 sedans have 3.45 diffs as well.
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Old 09-02-2003, 14:36   #6 (permalink)
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Re: Diff Gears

Quote:
Originally Posted by zexr8
Has anyone changed their diff gears in the new BA's yet ? I noticed that the XR8 has 3.23 while the XR6T has 3.45, which would explain its good 0-100 times.

as would the dirty big turbocharger hanging off the side ;-)
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Old 09-02-2003, 14:42   #7 (permalink)
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Originally Posted by XRSIK
as would the dirty big turbocharger hanging off the side ;-)
yeah, that too
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