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Author
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Topic: World Class T-5 >Part Number
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trsulliv
Journeyman Posts: 14
From: Racine, WI
Registered: Mar 2004
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posted 05-26-2005 11:29 PM
   
Can somebody tell me what the Ford part number is for the World Class T-5. I have a good connection at a Ford dealer and want to order one. The tranny will be going into a 1968, 390 convertible with a 4 speed.
Thanks
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68 Coop
Gearhead Posts: 2911
From: Mesquite, NV. 89027 M&M# 4256
Registered: Oct 2004
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posted 05-27-2005 12:17 AM
Found this while doing a search. Don't know if it will help, but I tried.
The Gear Box
North Line Road
Taylor, MI 48180734-946-6088 I don't know this place, but it was recommended to someone in another thread. Hope it helps. ------------------
William
68 Coupe
"Restomod in Progress"
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Mooney
Gearhead Posts: 1943
From: Marietta, Ga
Registered: Oct 2003
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posted 05-27-2005 08:09 AM
There are a good many numbers for a WC T-5. As far as a Ford part number, I don't have a clue. Especially since they're made by Borg Warner.
http://ddperformance.com/Trans%20ID%20chart.htm
Is an OK link for a reference to different ID's for the trannys. I'm not sure what kind of numbers the 390 puts out, but T-5's are only good to about 310 lbs. torque ('90-'93) to my understanding. And the Z spec T-5 is to 330 and 450(?)HP when used streetwise.
Hope this helps.
Luke
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Daniel Jones
Gearhead Posts: 873
From: St. Louis, MO
Registered: Aug 99
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posted 05-27-2005 12:13 PM
> Can somebody tell me what the Ford part number is for the World Class T-5. I
> have a good connection at a Ford dealer and want to order one. The tranny
> will be going into a 1968, 390 convertible with a 4 speed.It'll be a FRPP part number. The good ones are X-code and Z-code. Only the
Z-code is currently listed (p/n M-7003-Z). Is there an FE T5 bellhousing
or are you using some sort of adpater plate? What about the pilot bushing
with the small block input shaft? If you are running street tires and aren't
too abusive you can probably make the T5 live behind the 390. If you're the
type that can break an anvil in a sand box, you might want to look at the
stronger Tremec transmissions (FRPP part numbers M-70030R58C, M-7003-R59H,
M-7003-R58W). I know adapter plates and bellhousings exist for FE and Tremec
TKO's. Dan Jones
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trashline
Gearhead Posts: 1812
From: Levittown, Pa
Registered: Dec 2003
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posted 05-27-2005 09:27 PM
I think the world class units are ment for the four cylinders and are slitly more limited then the v8 t5s. either way the make power wa sposted i would go with a tremec or stronger box------------------
88 thunderbird TC 2.3L
66 mustang 200ci 3 speed
68 Fairlane 289 w/ auto
79 f150 300 3 onda tree
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Mooney
Gearhead Posts: 1943
From: Marietta, Ga
Registered: Oct 2003
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posted 05-27-2005 09:58 PM
quote:
Originally posted by trashline:
I think the world class units are ment for the four cylinders and are slitly more limited then the v8 t5s. either way the make power wa sposted i would go with a tremec or stronger box
T-5's after 85 are considered World Class.
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68 Coop
Gearhead Posts: 2911
From: Mesquite, NV. 89027 M&M# 4256
Registered: Oct 2004
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posted 05-27-2005 10:08 PM
This is the one I found earlier.
https://mustangsandmore.com/ubb/Forum1/HTML/009312.html
Sounds like you might change your mind.------------------
William
68 Coupe
"Restomod in Progress"
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trsulliv
Journeyman Posts: 14
From: Racine, WI
Registered: Mar 2004
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posted 05-28-2005 11:52 PM
Thanks for the help. The World Class T-5 is definitely for V-8's, but I know not as strong as a Tremec. I have a stock HiPo 390, but will add an aluminnum intake and headers as part of this project, so I think teh WC T-5 will handle it. I want to do the swap with minimum changes to the car which is pretty orginal.
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427Fastback
Gearhead Posts: 261
From: N.Vancouver.B.C
Registered: Jan 2005
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posted 05-29-2005 03:18 AM
I am in the proccess of putting a Tremec behind my 427.I have done tons of research and decided on the newer 500 or 600 series depending on gear ratio options.I would be very cautious about putting a T-5 that was designed for a small block behind a 390. A 390 is capable of making some pretty good torgue in second gear.
Not saying you shouldnt do it,just choose your T-5 well and get the highest rated one you can that still has suitable ratios..
A 3.27 first gear with a .68 overdrive is a useless trans in my books..Unless you are doing the Nevada State run.... Cory ------------------
68 Fastback 427MR 4 spd.Deluxe interior,8000 tach,140 speedo,am/fm,tilt.
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trsulliv
Journeyman Posts: 14
From: Racine, WI
Registered: Mar 2004
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posted 05-29-2005 10:18 PM
quote:
Originally posted by 427Fastback:
I am in the proccess of putting a Tremec behind my 427.I have done tons of research and decided on the newer 500 or 600 series depending on gear ratio options.I would be very cautious about putting a T-5 that was designed for a small block behind a 390. A 390 is capable of making some pretty good torgue in second gear.
Not saying you shouldnt do it,just choose your T-5 well and get the highest rated one you can that still has suitable ratios..
A 3.27 first gear with a .68 overdrive is a useless trans in my books..Unless you are doing the Nevada State run.... Cory
Thanks. What rear end are you running? How much cutting of the trans tunnel did you have to do? Tim
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427Fastback
Gearhead Posts: 261
From: N.Vancouver.B.C
Registered: Jan 2005
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posted 05-29-2005 11:02 PM
I have not installed it yet.I think the floor cutting is only on 65/66 although i am not sure why they only say those 2 years.I am running a 3.50 rear with 235/60/15s
I am going to buy a trans with a 2.87 1st with a .82 over.. There is a great online calculator and gear chart/gear spread for the popular ratios at WWW.secondstrike.It will give you a very close chart on what your car will do at 500 rpm incriments depending on your gear choice/tire size and trans.Toploaders wide and close and the popular gear ratios of some of the T-5s are there to calculate with.
You may have to change your rear end ratio to suit the trans you pick.
A 390 would/should have a wide ratio behind it.2.78 first gear(stock)
Multiply 2.78 by your rear end ratio to give you your overall 1st gear ratio. Cory
------------------
68 Fastback 427MR 4 spd.Deluxe interior,8000 tach,140 speedo,am/fm,tilt.
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Ryan Wilke
Gearhead Posts: 2289
From: Stanton, Michigan 49707
Registered: Oct 2000
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posted 06-03-2005 10:17 AM
quote:
Originally posted by Mooney:
[QUOTE]Originally posted by trashline:
[b]I think the world class units are ment for the four cylinders and are slitly more limited then the v8 t5s. either way the make power wa sposted i would go with a tremec or stronger box
T-5's after 85 are considered World Class.[/B][/QUOTE]
For what it's worth, according to the folks at: http://www.mustanggt.org/main.htm on their, 'Summary of Transmissions' page, they have listed the OE trans part numbers offered from '82 thru '93 for the Mustang GTs. By the way, they say that the first WC T-5s came in SOME '85s....
Later,,,, Ryan 
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trsulliv
Journeyman Posts: 14
From: Racine, WI
Registered: Mar 2004
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posted 08-30-2005 11:06 PM
Have you put the trans in yet? What bell housing are you using? Who did you work with for the conversion parts? Thanks.
quote:
Originally posted by 427Fastback:
I have not installed it yet.I think the floor cutting is only on 65/66 although i am not sure why they only say those 2 years.I am running a 3.50 rear with 235/60/15s
I am going to buy a trans with a 2.87 1st with a .82 over.. There is a great online calculator and gear chart/gear spread for the popular ratios at WWW.secondstrike.It will give you a very close chart on what your car will do at 500 rpm incriments depending on your gear choice/tire size and trans.Toploaders wide and close and the popular gear ratios of some of the T-5s are there to calculate with.
You may have to change your rear end ratio to suit the trans you pick.
A 390 would/should have a wide ratio behind it.2.78 first gear(stock)
Multiply 2.78 by your rear end ratio to give you your overall 1st gear ratio. Cory
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sigtauenus
Gearhead Posts: 2982
From: Va Beach
Registered: Jun 2000
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posted 08-31-2005 09:16 AM
the link to www.seconstrike.it isn't working. Can anybody explain the difference between the wide and close ratio? Seems like the 3.27 would help you launch faster than 2.78 and the .68 would give you a better final drive ratio than .82. Of course, I'm thinking in the context of a 302. Any info to clarify would be appreciated.
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trsulliv
Journeyman Posts: 14
From: Racine, WI
Registered: Mar 2004
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posted 09-01-2005 12:04 AM
It is not a simple answer, there are a number of factors to take into account. First, what is your rear axle ratio. Next, what size are your tires. How is the car driven - street fun or competition. For competiton, you always want a close ratio becuase that keeps the engine in the power band as you are shifting.If you have a 3.50 rear or greater, I would not go with the wide ratio first gear 3.27, unless your engine can handle high rpm's. I have a 3.28 in a 73 vette 350 with a 3.23 rear and this is a great combination. A 3.27 with a 3.50 rear would have you shifitng way too quickly. The best thing to do is find a ratio calculator to figure out what ratio works best for your applications. Tim
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74merc
Gearhead Posts: 1268
From: Demopolis AL
Registered: Jun 99
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posted 09-01-2005 12:18 AM
close ratio tranny would lose the advantage of the broad torque curve the 390 will have. It would actually make it slower.I have to agree with above, I'd go Tremec. I personally know several people that have broken T5's with a stock 5.0 with bolt ons.
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