Ford Mustang Forum - View Single Post - Are 355's my best option
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post #15 of (permalink) Old 01-03-2012
5.0ben
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Joined: Aug 2010
Location: Towson
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Great reply HEISMANHERSCHEL !
I went from 3.31's to 3.73's in my manual and wouldn't do it again. I got a humming sound and burning smell in the rear after the install. I was also ripped off by the dealer for the install $1000 P&L.
The worst part about 3.31's IMO is 6th gear on the highway.
That alone is worth the upgrade in gears maybe to 3.55's.
I noticed top end loss with the 3.73's which was very disappointing. The overall performance difference was noticeable but nothing major. 1st gear definitely pulled harder and it felt a little snappier in all of the gears in the low rpm's with a top end trade off. The extra shifting was annoying too on my daily traffic filled commute.
I could however see the 3.73's being good with a race tune allowing you to rev higher and having more top end power.

I think 3.55's are the optimal overall gear for this car for the manual.

In the end I got an auto which pulls harder after first gear than the manual with any of the gear choices and couldn't be happier:smilie



2012 5.0 Brembo, AED Performance Tune, Lethal Off-Road X, GT500 AB, 3.73, Airaid cai, GT500 SW :yelpleased:
2014 CX-5 Touring
Gone but not forgotten:
2011 Mustang GT|GT500 AB |FRPP Tune|6A
2010 Rav4 V6 | 07 Mazdaspeed3| 04 SRT4| 99 GSXR 750
2012 Camaro SS L99 Gone and forgotten
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