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Cobra Forums
2013-14 Shelby GT500
Gear vs Power
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<blockquote data-quote="Matt in Houston" data-source="post: 14608632" data-attributes="member: 166363"><p>I just swapped out my 3.73's after running them for a couple of months in my '13 w/ ~720 rwhp. I changed to a set of 4.10's and now I am in love. I drive my car on the street two or three times a week in nice weather only and it seems like a perfect match. Off boost acceleration is much improved and pulling away from a stop or incline is effortless. The 13/14's have a taller 1st and 2nd ratio, and they seem to pair well with this gear. I would recommend this setup if you are running a large drag radial (28.5") like the 20" 555R or NT05R, or something similar. Some BMR suspension goodies (LCA/UCA) in the rear will also help put the power down. It has been cooler here lately but when the temps are in the 70's+ I wasn't having any problems with grip running the 3.73's and this setup.</p><p></p><p>In the OP's example, if nothing else was changed except gearing then the motor is putting out the same amount of power. The number difference is fractional driveline losses from the gears and some calculation differences on the dyno. All things being equal, I believe the 4.10's <em>should</em> slightly pull the 3.73's up through 4th gear.</p></blockquote><p></p>
[QUOTE="Matt in Houston, post: 14608632, member: 166363"] I just swapped out my 3.73's after running them for a couple of months in my '13 w/ ~720 rwhp. I changed to a set of 4.10's and now I am in love. I drive my car on the street two or three times a week in nice weather only and it seems like a perfect match. Off boost acceleration is much improved and pulling away from a stop or incline is effortless. The 13/14's have a taller 1st and 2nd ratio, and they seem to pair well with this gear. I would recommend this setup if you are running a large drag radial (28.5") like the 20" 555R or NT05R, or something similar. Some BMR suspension goodies (LCA/UCA) in the rear will also help put the power down. It has been cooler here lately but when the temps are in the 70's+ I wasn't having any problems with grip running the 3.73's and this setup. In the OP's example, if nothing else was changed except gearing then the motor is putting out the same amount of power. The number difference is fractional driveline losses from the gears and some calculation differences on the dyno. All things being equal, I believe the 4.10's [I]should[/I] slightly pull the 3.73's up through 4th gear. [/QUOTE]
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2013-14 Shelby GT500
Gear vs Power
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