'89 and up Mustangs came with World Class T-5's?

G

Globule

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• Dec 13, 2003

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A guy I know claims all 89 and up Mustangs came with WC T-5's. Any truth to this?

 

maverick0716

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#2

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It's actually 1985 and up that came with the WC T-5

 

25thmustang

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Sep 5, 2003

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#3

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Yes but I believe in 1989 at some point (date on transmission) the gears in the tranny were beefed up.

 

G

Globule

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#4

• Dec 14, 2003

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25thmustang said:

Yes but I believe in 1989 at some point (date on transmission) the gears in the tranny were beefed up.

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OK, so buying a new WC T-5 means the same thing as buying a 1989 Mustang tranny with 0 miles?

 

S

SmockDoiley

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For how much though. I know the new T-5's are beefier than the originals but still all T-5's except for the crazy expensive ones are junk. For the right price, you can just get a 3550.

 

joncash

just high enough to be functional

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Actually the aftermarket T-5's true designation is either "Heavy Duty" or 7003-Z. They are both the same tranny (now manufactured by Tremec and sold by Ford Racing under the 7003-Z number), and are both stronger than any T-5 that came in any year Mustang. It is correct that the World Class T-5's are stronger than earlier T-5's but they are not as strong as the Heavy-Duty/Z T-5.

"World Class" is simply Ford's designation for the upgraded T-5 that they spec'd to Borg Warner, the original manufacturer of the T-5. In other words, you can find a "World Class" T-5 at a junk yard, but the best T-5 (H.D./Z) is only available new. The easiest way to identify a HD/Z T-5 is by the 2.95 ratio on 1st gear (the later model v8 Fox body t-5's came w/ 3.35 1st gears), that's the one you want if you call a shop, regardless of whether they get it from Ford Racing or directly from Tremec.

 

2

2001droptizzy

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#7

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In 91 they upgraded to 300foot lbs.(what i was told when i got mine).

 

89MustangGX

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#8

• Dec 15, 2003

• #8

2001droptizzy said:

In 91 they upgraded to 300foot lbs.(what i was told when i got mine).

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Yes...changed the gearset to the 2.95 first in that year - it is not just limited to non-OEM pieces.

 

J

jetuomi

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#9

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89MustangGX said:

Yes...changed the gearset to the 2.95 first in that year - it is not just limited to non-OEM pieces.

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my 94 still has a 3.35 gear..

 

Notchrat

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83-84 Non WC T-5. These do not have roller bearings for the countershaft and no caged needle bearings under the gears. They still make non WC T-5's for wimpy applications (cheaper) these had 2.95 first

85-89 First series WC-T5 These had the 3.35 first, and all the good WC upgrades 7 tooth speedo gear. 265 ft lb rating

90-93 upgraded model, WC-t-5 carbon blocker rings, improved gear alloys. 8 tooth speedo gear, 300 ft lb rating.

93 Cobra, same as 93 T-5 but caged tapered bearing between input and output shaft. Steel throwout bearing retainer. 310 ft lbs

94-95 WC-t-5 Same as 90 - 93 model, but longer input shaft. 300 ft lbs

94-95 Cobra 310 foot lb rating. similar to 93 cobra but with longer input shaft

T-5 Z same as 93 cobra but with 2.95 first gear Most have entire input shaft collar steel not just T/o bearing tube. 330 ft lb rating. Aftermarket only

I may be off in some details but this is pretty close.

 

89MustangGX

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#11

• Dec 15, 2003

• #11

jetuomi said:

my 94 still has a 3.35 gear..

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Someone went through alot of trouble to put an older, weaker tranny in there.

 

Michael Yount

Mustang Master

Apr 10, 2002

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Dec 15, 2003

#12

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What are the remaining gear ratios in the 2.95 first T-5Z's? Still 1.93:1-2, 1.29:1-3, 1:1-4, .675-1-5? Thanks in advance!

 

89MustangGX

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#13

• Dec 15, 2003

• #13

Michael Yount said:

What are the remaining gear ratios in the 2.95 first T-5Z's? Still 1.93:1-2, 1.29:1-3, 1:1-4, .675-1-5? Thanks in advance!

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Only the 1st gear ratio changed AFAIK, and I also have only ever seen a .67 5th, never referred to as a .675?

 

Michael Yount

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Apr 10, 2002

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Dec 15, 2003

#14

• Dec 15, 2003

• #14

Funny - I've only seen 5th referred to as .68, and just recently saw a data sheet that referred to it as .675. Oh well, .67, .675, .68 -- anyone one of those are close enough I suppose.

 

P

POWER302

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#15

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My 87 Convertables tranny blew up and I was given a rebuilt tranny and my old one was given to them as a core.. How can I tell if my rebuilt tranny is a "WC" or a pre 89 tranny?

 

RyanSG

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#16

• Dec 15, 2003

• #16

Yeah thats what i'm hopeing to find out as well. any identification #'s to look for?