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2011-2014 Mustangs
2011-2014 Mustang Talk
Suggestions on gear ratio
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<blockquote data-quote="bunits19714" data-source="post: 15563010" data-attributes="member: 171001"><p>the less shifts the better- this being said you need to have a mph goal to truly decide which gear is best 3.15"s with stock converter will carry you to 130ish in 3rd and slightly less with a looser converter(yes it does lock up) . if you will be shooting for 145-150 in the qtr then 3.55's are a good choice and will carry car to about 155ish +/-. this is using all of 4th gear- and requires 3 shifts. If the car has to make a gear change (example) if you know you will be trapping 136-138/ low 10 second et's then you might as well use all of the gear in stead of trapping in the middle/lower end of a gear- tire size does effect gear radio- your 305's I believe are 28 and change and your 50 series 275's are 27" so your car with them would maximum speed in 3rd gear 127ish(7500rpm+/-)</p></blockquote><p></p>
[QUOTE="bunits19714, post: 15563010, member: 171001"] the less shifts the better- this being said you need to have a mph goal to truly decide which gear is best 3.15"s with stock converter will carry you to 130ish in 3rd and slightly less with a looser converter(yes it does lock up) . if you will be shooting for 145-150 in the qtr then 3.55's are a good choice and will carry car to about 155ish +/-. this is using all of 4th gear- and requires 3 shifts. If the car has to make a gear change (example) if you know you will be trapping 136-138/ low 10 second et's then you might as well use all of the gear in stead of trapping in the middle/lower end of a gear- tire size does effect gear radio- your 305's I believe are 28 and change and your 50 series 275's are 27" so your car with them would maximum speed in 3rd gear 127ish(7500rpm+/-) [/QUOTE]
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Suggestions on gear ratio
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