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Cobra Forums
2013-14 Shelby GT500
Questions on rear gear swap?
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<blockquote data-quote="Jam421" data-source="post: 15646413" data-attributes="member: 110985"><p>I also have the 305x 35's and 28.7" Tall MT's with 4.10's. That's approx 3.90 gear ratio which is perfect for me. 70-80mph is 1900-2100rpm on highway, with a 2.4 upper the gears jump into boost instantly, dead hooks from 15-30mph in 2nd . I've seen 130-135mph at top of 4th gear which is faster than I'd ever need to go when playing around on a highway . I had 373's after 2 power upgrades (both new sets) and both times the whine simply drove me crazy especially during quieter cruises 2000-2300rpm. The 4.10's are quiet at cruise...they rock on any quick roll burst on the street and I can use 6th gear on most highway trips.</p><p>Of course....there's no way I'd choose 4.10's for the 1/2 mile and tire height might play a role in 373 vs 355's.</p></blockquote><p></p>
[QUOTE="Jam421, post: 15646413, member: 110985"] I also have the 305x 35's and 28.7" Tall MT's with 4.10's. That's approx 3.90 gear ratio which is perfect for me. 70-80mph is 1900-2100rpm on highway, with a 2.4 upper the gears jump into boost instantly, dead hooks from 15-30mph in 2nd . I've seen 130-135mph at top of 4th gear which is faster than I'd ever need to go when playing around on a highway . I had 373's after 2 power upgrades (both new sets) and both times the whine simply drove me crazy especially during quieter cruises 2000-2300rpm. The 4.10's are quiet at cruise...they rock on any quick roll burst on the street and I can use 6th gear on most highway trips. Of course....there's no way I'd choose 4.10's for the 1/2 mile and tire height might play a role in 373 vs 355's. [/QUOTE]
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2013-14 Shelby GT500
Questions on rear gear swap?
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