Grand Mark?

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05-10-2009, 07:31 PM

shouldatapt

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Join Date: May 2009

Location: boston

Posts: 3

Grand Mark?

I have a 99 MGM and was thinking about putting new rear gears in, But i was wondering if any1 knows what gears are in it now, and if it will make that much of a difference?

Last edited by shouldatapt; 05-10-2009 at 07:39 PM.

05-11-2009, 11:39 AM

slymer

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Join Date: Oct 2008

Location: United States

Posts: 1,361

check out This Post for finding out your axle ratio and the performance thread for more info on lots of stuff.

05-14-2009, 02:53 AM

maxfax3

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Join Date: Nov 2008

Location: United States

Posts: 232

Gears can make a night and day difference pending on what gears you currently have... Keep in mind you;ll have to change the gear on the speedometer as well so that it is correct