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DIFF GEARS??? 

 

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 Post subject: DIFF GEARS???
Posted: Thu May 03, 2007 7:14 pm 
Stock as a Rock
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Age: 27

Posts: 125

Joined: 5th Mar 2007

Ride: eb xr6

Location: sydney
NSW, Australia

Im about to buy a new gear set for my diff but cant decide 3.7s or 3.9s could someone please tell me how these would go behind a manual eb xr6 which has a motor equivalent to the dev 5 package which makes power farelly high up in the rev range. Thanks

 

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Posted: Thu May 03, 2007 7:39 pm 
Tyre Shredder
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Power: 158 rwkw

pm sent!
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Posted: Fri May 04, 2007 6:22 pm 
Parts Gopher
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Joined: 3rd Mar 2006

Location: Melbourne
VIC, Australia

with both those gear sets it will be pritty much like driving a 4speed you'll have s**t all first gear.
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Posted: Fri May 04, 2007 10:06 pm 
Getting Side Ways
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Ride: 1999 XHII XR8, 2002 AU Fairmont

Power: 236 rwkw

Location: Perth
WA, Australia

3.7's will be fine but 3.9's will make 1st gear way too short. Go the 3.7's mate, you wont regret it.

 

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Posted: Sat May 05, 2007 10:48 pm 
Getting Side Ways
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Ride: Blown XR8

Location: Melbourne
VIC, Australia

They'll both be close enough to each other (ratio wise) for you to not notcie a heap of difference.
If you're doing some research on them, just remember 3.7's are a s**t harder to get, andmore expensive because of that, than 3.9's are.
Unless you get a skyline or pintara diff.
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