t-5 ratios ??

mike5p01 · 04-15-2001, 02:18 PM

Whats are the ratios for the gears in a t-5 in a 93 mustang ?? and isn't there a formula thats takes rear end and transmission gear and rpm into account to see what mph would be .. ?? that would help to. I promise this is the last message I'll post. =)

Mike5p0

MTU 50 · 04-15-2001, 04:09 PM

Okay, the formula first. I don't know if there is a simpler formula, but this one works.

Take RPM Divided by the transmission Gear ratio of whatever gear you are in)

Divide this by your gear ratio in your differential(i.e. 3.73,3.27,etc.)

Multiply that by the circumference of your tires
To find the circumference measure the diameter of the tire and multiply it by pie(3.141592653) Measure the diameter in inches

Divide the result by 12, and then multiply by 60, and finally divide by 5280 and if everything is entered correct it will give you your MPH.

I can't remember the ratios of the T-5 offhand except for overdrive and first which are 0.68:1 and 3.35:1.
Go to www.mustanggt.org/gttranny.htm for exact ratios for your year car.

------------------
1991 GT, AOD, Moroso Cold Air, 3.73s, Pulleys, 3-chamber(the left one fell off-NO time+No Money=College), FMS c-springs, and KYBs

04-15-2001, 02:18 PM	#1
mike5p01 Registered Member Join Date: Apr 2001 Location: Bloomington, IL Posts: 25	t-5 ratios ?? Whats are the ratios for the gears in a t-5 in a 93 mustang ?? and isn't there a formula thats takes rear end and transmission gear and rpm into account to see what mph would be .. ?? that would help to. I promise this is the last message I'll post. =) Mike5p0

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04-15-2001, 04:09 PM	#2
MTU 50 GOT TORQUE ???? Join Date: Aug 1999 Location: New Hudson, Michigan, USA Posts: 689	Okay, the formula first. I don't know if there is a simpler formula, but this one works. Take RPM Divided by the transmission Gear ratio of whatever gear you are in) Divide this by your gear ratio in your differential(i.e. 3.73,3.27,etc.) Multiply that by the circumference of your tires To find the circumference measure the diameter of the tire and multiply it by pie(3.141592653) Measure the diameter in inches Divide the result by 12, and then multiply by 60, and finally divide by 5280 and if everything is entered correct it will give you your MPH. I can't remember the ratios of the T-5 offhand except for overdrive and first which are 0.68:1 and 3.35:1. Go to www.mustanggt.org/gttranny.htm for exact ratios for your year car. ------------------ 1991 GT, AOD, Moroso Cold Air, 3.73s, Pulleys, 3-chamber(the left one fell off-NO time+No Money=College), FMS c-springs, and KYBs