Thread: 3.90 gearing?
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Old 04-23-2013, 03:54 PM   #9
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Join Date: Jul 2004
Vehicle: 1997 Mustang GT, 2002 F150 XLT 4x4 Triton
Location: wilkes-barre PA
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Originally Posted by Tim99GT View Post
I have 3.90 gears and loved them when i was N/A. Not so much now being boosted. Its too much gear for a boosted car i believe. 1st gear was pointless even @ 400RW...
Again, when i was N/A i loved them. I wasn't making a lot of HP so they performed great and 1st wasn't so short. As soon as i tear into the rear end I'm swapping them out for 3.55's
I have 4.10s and im boosted, seems fine to me wish I did 4.30s
Street Car, 4v D1sc, 20psi,viper spec t56, Team Z/ UPR suspension.
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