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Author Topic:   Help on t-5 Tranny swap
66Fastback 2+2
Journeyman

Posts: 10
From: Ontario,Canada
Registered: Oct 2001

posted 11-22-2001 12:19 PM     Click Here to See the Profile for 66Fastback 2+2     Edit/Delete Message   Reply w/Quote
I have a 66 mustang with the original standard 3-speed and I would like to install a T-5. What parts will I need to do this? Will I have to cut another hole in the floor or will I be able to use the original shifter hole? Will I have to cut or buy a new driveshaft? Do I need any conversion Kit?How do you think the trans will work with 3.8 gears? How much will this transformation co$t?

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Moneymaker
Administrator

Posts: 25883
From: Lyons, IL, USA
Registered: May 99

posted 11-22-2001 01:53 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
You will need a fair amount of parts and mechanical aptitude, A donor car is the best bet. It is not a simple swap and can cost well over $1500.

------------------
Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00 & '01
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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n2oMike
Gearhead

Posts: 2419
From: Spencer, WV
Registered: Jan 2001

posted 11-22-2001 04:15 PM     Click Here to See the Profile for n2oMike   Click Here to Email n2oMike     Edit/Delete Message   Reply w/Quote
Go to:

http://www.fordmuscle.com

Go to their archives. They have an excellent T5 conversion article.

Good Luck!

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Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3
http://www.geocities.com/carbedstangs/cmml_mburch.html
http://www.fortunecity.com/silverstone/healey/367

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kcode
Gearhead

Posts: 3029
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99

posted 11-22-2001 10:37 PM     Click Here to See the Profile for kcode   Click Here to Email kcode     Edit/Delete Message   Reply w/Quote
If you already have a 5-speed available and since you already have a clutch and bellhousing with your three speed, you can make the swap for $500 or less. If you don't have the transmission yet, then the price goes up. I have 5-speed in a 65 and 66 with this conversion and am quite happy with both. It takes a spacer plate that will bolt to your bell housing and a transmission crossmember and a T-5 yoke. The shifter will fit the existing hole in the hump with out any cutting. CJ Pony has about the cheapest kit for $365. This way you will still use your existing clutch and Z-bar. Good luck.

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Mike Golliver
MCA Assistant National Head Judge-Modifieds
65 Kcode coupe 347 stroker modified 5-speed MCA Retired
66 convertible-3 dueces and a 5-speed with a 289
65 Fastback -GT-350H Clone SOLD IT 7/21/01
89 T-Bird Super coupe
01 Mustang GT Convt

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66Fastback 2+2
Journeyman

Posts: 10
From: Ontario,Canada
Registered: Oct 2001

posted 11-26-2001 11:58 AM     Click Here to See the Profile for 66Fastback 2+2     Edit/Delete Message   Reply w/Quote
Will I have to modify my drive shaft?

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steve'66
Gearhead

Posts: 8826
From: Sonoma,CA,USA
Registered: Mar 2000

posted 11-26-2001 12:57 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Yes,

Unless your current drive shaft is too short now. The t-5 is longer (about 3/4") and you'll need the yoke (to fit the t-5) installed on your driveshaft too.

SteveW

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n2oMike
Gearhead

Posts: 2419
From: Spencer, WV
Registered: Jan 2001

posted 11-26-2001 04:11 PM     Click Here to See the Profile for n2oMike   Click Here to Email n2oMike     Edit/Delete Message   Reply w/Quote
This is all covered in the Fordmuscle article. Read it.

As for the slipyoke... Isn't the output of a T5 28 splines? Won't the old slipyoke fit? (I guess I could go back an re-read the article)

Good Luck!

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Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3
http://www.geocities.com/carbedstangs/cmml_mburch.html
http://www.fortunecity.com/silverstone/healey/367

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68Mustang
Gearhead

Posts: 174
From: Auburn, AL
Registered: Feb 2001

posted 11-26-2001 06:08 PM     Click Here to See the Profile for 68Mustang   Click Here to Email 68Mustang     Edit/Delete Message   Reply w/Quote
That's what I originally thought too. But, when I went to drive my car the first time after the swap with the automatic slip yoke it had a wonderful vibration. Now with the T-5 slip yoke, no vibration. So yes you need to switch the slip-yokes.

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1968 302 5-spd Fastback
1965 Coupe
1981 F-150
email: [email protected]

[This message has been edited by 68Mustang (edited 11-26-2001).]

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66Fastback 2+2
Journeyman

Posts: 10
From: Ontario,Canada
Registered: Oct 2001

posted 11-27-2001 06:39 AM     Click Here to See the Profile for 66Fastback 2+2     Edit/Delete Message   Reply w/Quote
Thanks for the information guys! I guess I will read the article.

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ccode67
Gearhead

Posts: 2659
From: douglasville,ga,usa
Registered: Mar 2001

posted 11-27-2001 07:54 AM     Click Here to See the Profile for ccode67   Click Here to Email ccode67     Edit/Delete Message   Reply w/Quote
I just finished the swap on a 67, the slip yoke is different, I used the adapter plate and crossmember from Darkhorse Performance, my driveshaft was the correct length, but, it was originally an automatic car ( ? ).
If I can help just send me an e-mail, it's still fresh in my memory but don't know for how long. (oldheimmers)

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Stuart MCA #48902
M&M #1091
67 stang 5 speed
91 f-150 xlt
98 explorer xlt sohc v-6

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