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-   -   How much and how hard is it to ... (http://mustangforums.com/forum/5-0l-v8-technical-discussions/709287-how-much-and-how-hard-is-it-to.html)

HRDWRK 04-25-2014 04:42 PM

How much and how hard is it to ...
 
... change the rear gear from 3.31 to 3.73?
Is it just changing the gears in the housing of does it require to reprogram anything? I am talking about the manual transmission.
The story is: I am looking for a gray 2014 GT with 3 different specific options one being the rear 3.73. I can't find one in gray but I can find it in silver. I found one gray with the other two options but without the 3.73.

Thanks for your input.

Mishri 04-25-2014 04:49 PM

It requires a re-program or your speedometer will be off.

Dealership quoted me $1,000 to do it (not including parts).

I had a guy do it for me for $250. (install) and I used my SCT handheld tuner to change the gear ratio to 4.10s. SCT Tuner is like $400. But it also lets you tune the car (more HP, voids warranty on engine)

dominant1 04-26-2014 11:26 PM

You should have it done by a professional, gears are very specific and if not installed near perfect they will make noise and fail over time!

HRDWRK 04-26-2014 11:30 PM

Thanks.
It is not a concern for me any more since as you may have seen in my other post, I ended up buying one with 3.73 gears.
Thanks again.


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