Hey Guys, Im looking for a t5 for my 67. I found one for sale, but I want to be sure I get one with a good ratio to match my rear end. I honestly know nothing about transmission ratios. My rear end has 3.73 gears in it, and the t5 i found is a wc1352-162, which has a 3.97 first gear, 2.34 second, 1.48 third, 1.00 fourth, and .79 fifth. Can anyone point me in the right direction as to what I should look for. My car has a mildly built 302, and I do like to have some "fun" in it, but its not a drag car either. Thanks in advance, Jp
With 3.73 the 3.97 first gear would be way to short for a street car. I think that 3.97 gear is for a 4 cylinder Mustang. Most V8 Mustangs came with 3.35 First gear and 2.73 rear end gear. Lot's of guys love 3.35 / 3.55 combo. If you keep your rear at 3.73, then either the 3.35 or 2.95 gear would be good. 2.95 being my preference.
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'68 Highland Green, custom built tubular chassis, Fox rack & pinion steering,'89 HO/331, Cobra intake, E303, AFR 165 heads / T5z spec transmission,
8.8" rear end w/ 3.27, Auburn limited slip, triangulated 4 link, QA1 coil overs front and rear, Cobra 4 wheel Disk brakes. '01 Silver Bullit wheels.
Was a coupe, now sports a fastback roof. First run 13.3 @ 107, looking for 12's...
that T5 is from a 2.3 turbo and probably will not hold up to a a 5.0 engine. It will only handle 240 foot lbs of torque. I also dont think it is a World Class T5 which has stronger gears and bearings in it.
More info on how to tell whatT5 you have: How to ID a T5
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Good Luck and BE Safe Ron http://chris66dad.tripod.com
Father~Son restoration project
A code 66 coupe
289 4v, Roller Rockers, Electric fan
Performer & 650 Edelbrock
MSD ignition
Tri Y into 2.25 Shelby side exhaust
T5 conversion
Hydraulic clutch
CSRP Discs
I have 3.89 gears with a T5Z with 2.95 first gear. IMO it is not too much gear especially if you do a lot of stop and go driving.
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John Bednorz
1967 Shelby GT350, dark green, 347 stroker, 5-speed, inboards, #2206
1973 Mustang Convertible, white/white, black stripes, Q-code (351C-4V), ram air.
1968 1/2 428 CJ convertible, R-code, red/deluxe red, auto, finally finished.
"If you find the car of your dreams, ignore the price guides and pay whatever you have to in order to get it."
That T5 is not a good idea. As the others have mentioned, stick with the 3.35 first gear (not too bad on the street) or better, find the 2.95 first gear (not as plentiful).
__________________ Set the controls for the heart of the sun
1965 A-Code Fastback
Built, September 14, 1964 (San Jose)
4 Speed/Rangoon Red/White interior
G-Force T5 conversion
4 wheel Cobra disc brakes
331 Stroker/Paxton Supercharger-616 FWHP
Mass-Flo EFI
Owned since 1982
+1 on what others have said about that particular T-5 (#162). Here's a nice calculator that can help you determine RPM w/ various transmission, read-end gear, and tire combinations.
Unless I am mistaken, the 2.95 first gear ratio is only in the T5z's. I too have that tranny with 3.89 and love it. I am sure that 3.73 would rock too. I am also sure I would not like the 3.35 first gear ratio. The 2.95 seems tall enough. You won't like this but I recommend buying a new T5z.
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66 coupe restomod
thanks to dodgestang, dazecars, mustangsteve and jameswstang for saving me a lot of time and headaches
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T5 ratio Question
