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  Which Speedo Gear for a T-5?

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Author Topic:   Which Speedo Gear for a T-5?

Posts: 17
Registered: Apr 2002

posted 04-25-2002 10:59 AM     Click Here to See the Profile for oldmustangjunkie     Edit/Delete Message   Reply w/Quote
I just hooked up my digital guages in my 65 and am working on the speedo now. I need a driven gear(at the end of the speedo cable) for my 89 T-5 tranny does anyone know the color, # of teeth or part # for their gear? The guys at the Ford parts counter acted like they had no idea even after I explained to them that my gear and tire size doesn't matter, since my speedo is adjustable. I said, "Can't you just find me any T-5 gear?" He said, "I need to know the year, tire size and gearing." I just muttered something about finding out the exact one i needed. Don't all T-5's use the same type of gear with different teeth counts?

65 Mustang: 5 speed, 3.73's, RAP Ported GT-40 Irons, xe258hr cam, Perf. RPM, 625 cfm Carter AFB, Jacobs ignition
66 Mustang: 289-2V, 3spd, Slipping Clutch, Bashed-up Front End

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Posts: 30261
From: Saco, Maine
Registered: May 99

posted 04-25-2002 12:55 PM     Click Here to See the Profile for SteveLaRiviere     Edit/Delete Message   Reply w/Quote
This page should help. Welcome to M&M!


'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

MCA Member # 47773

The secret of success is sincerity. Once you can fake that, you got it made.

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Posts: 1335
From: douglasville,ga,usa
Registered: Mar 2001

posted 04-25-2002 01:09 PM     Click Here to See the Profile for ccode67     Edit/Delete Message   Reply w/Quote
I just happen to have the info handy,
T-5 tranny with 7 tooth driven gear=
19 tooth with 3.25 rear end
20 tooth with 3.50 rear end
21 tooth with 3.73 rear end

Hope this helps.

Stuart MCA #48902
M&M #1091
67 stang 5 speed, 351W, Edelbrock Performer RPM package
91 f-150 xlt
98 explorer xlt sohc v-6

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Posts: 2441
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99

posted 04-25-2002 11:29 PM     Click Here to See the Profile for kcode     Edit/Delete Message   Reply w/Quote
What kind of digital gages are you using? Alot of the digital speedos only require electronic calibration so you can run any gear combination. At least thats what Dakota Digital has.


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