hey guys this might be a stupid question. but if my new gt was supposed to have 3.55 gears but might have 3.31 would the miles driven go up faster if computer wasnt re-set? odometer says i have driven a thousand miles since i bought it. i know i like to drive but my rides to work are 20 milkes each way tops. the reason i think i have 3.31 is bc this morning i took her to 120 running with a new maxima and i was in fourth gear at like 5k. in my 07 gt with the 3.55 gears i would have to shift to 5th at redline at 120 mph.

 

Have the dealership check it out.

 

There should be a sticker right on the differential cover that tells the gear ratio.
Also, the speedometers are not known to be terribly accurate on these things.
Mine says I'm going faster than I actually am - about 3-5 mph depending on what speed I'm going - compared to GPS unit.
That will add more miles...

 

i just pulled my tune off my car and i have 3.73's and factory is a 3.27 i believe. so of my model V6's has 2.93's lol. but anyway after taking my tuner off, my speedo reads high. so ill have to deal with it until i purchase a new one.

 

Borrow someones gps if you don't have one & see if your speedometer is accurate. Or just get on the highway & go from 1 mile marker to the next - odometer should only move 1 mile.

 

thanks i will go look here in a lil bit. but what if they changed the gears while at the dealership before they sold it. are they required to change the sticker on the diff cover?

 

What does your window sticker say (assuming you saved it)? I truly doubt the dealer changed your gears. In addition to the tag that should be on the rear axle housing, the door sticker has a code for the (factory) gear size.

If you're still not sure, either verify it with a GPS or hop on the interstate and run 10 miles, comparing the mile markers to the odometer.

 

thanks nuke. i wouldnt think they changed out the gears but my 07 with the 3.55 was redlined at 120 in 4th gear the one this morning was just over 4k and still pulling. and they told me it had some lot damage and they paid $375 to get the dent fixed but the idiots forgot about the estimate in the glovebox that i found while cleaning her out. $1770 and about 20 hrs in body labor. so now they got me thinking how else did they screw me. and yes i save all the window stickers the $300 charge is on there. go figure it was a $100 option last yr and you could get them on a deluxe with the 08's you can only get the gears with the premium package.

 

if your computer thinks you have 3.55's and you really have 3.31's your miles would actually go up slower...and if you had 3.31's and you computer thought you had like 5.30's or something your miles would go up A LOT less than they actually are...likewise if you have 3.55's but your car thinks you have 3.31's your miles will go up faster than they should

 

Beat me to it... +1