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Unread 12-31-2009   #1 (permalink)
1991whitegt is offline Apprentice

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Default What is need to bolt 5.0l Bellhousing to 2.3l t-5

In the proccess of T-5 conversion was wondering what i have to do to put the bellhousing off of a 5.0l t-5 on the 2.3t t-5 transmission. Thanks for all the help happy new years everyone.
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Unread 12-31-2009   #2 (permalink)
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You just need the 4 bolts. They are 12mm x 1.75 thread with a bolt length of about 1.5 to 1.75 inches. I'm sure the length is metric, but I didn't measure it that way.

If you are asking how to use a 4-cyl T5 behind a 5.0 engine, you must use a pre-94 bell housing and a special pilot bushing in the back of the crankshaft. (Use the search feature on this website to find the info on the correct pilot bearing.)

The 4-cyl T5 is a bit weaker than a V8 T5 and the first gear on a 4-cyl T5 is usually 3.97 as opposed to 3.35 for a V8 T5.
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Unread 01-01-2010   #3 (permalink)
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yea im in the process of a t-5 swap but my world class is getting rebuilt but i need to drive my car you know between trying to sell my aod and getting my car back up and running this week has been a pain....
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Unread 01-01-2010   #4 (permalink)
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Also does anyone know what kind of transmission fluid the 2.3t T-5 transmission use? i have heard that they are like world classes and use automatic transmission fluid?
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Unread 01-01-2010   #5 (permalink)
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Quote:
Originally Posted by 1991whitegt View Post
Also does anyone know what kind of transmission fluid the 2.3t T-5 transmission use? i have heard that they are like world classes and use automatic transmission fluid?
There is a WIDELY PROPIGATED Internet myth that the non-WC uses gear oil and the WC T5s are the only ones that used ATF.

Borg Warner left the final decision on fluid of choice up to the auto manufacturer. As a result, ALL Ford and ALL GM T5s came from the factory with ATF.

AMC/Jeep also used early non-WC T5s but chose gear oil...

The official Ford service guides from 1983/84 specify Dexron-II for the T5, but it is no longer made. As I understand it, Ford has superseded this with their current ATF which is Mercon-V.

Plain old DEX/MERC at the corner auto parts store is very close to the original Dexron-II and works very well.

There are others here that will swear by Royal Purple and Synchromesh synthetic, etc. Synthetic is great as long as the viscosity is similar to the original ATF and not gear oil...
Some synthetic viscocities are just too slick for the synchronizers to work properly in my opinion.

I personally like to use Amsoil ATF in my T5s if synthetic is desired. It is an excellent match to the original ATF properties.
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Unread 01-02-2010   #6 (permalink)
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Thanks for all the help.. and correct me if im wrong but the pilot bearing is only think i have to change correct i can use the 5.0 throwout bearing right?
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Quote:
Originally Posted by 1991whitegt View Post
Correct me if im wrong but the pilot bearing is only think i have to change correct i can use the 5.0 throwout bearing right?
That is correct. The only thing physically different in using a 4-cylinder type T5 in a 5.0 Fox-Body is the special pilot bearing.

The 4-cyl input shaft is also about a quarter inch longer than the V8, but doesn't hurt anything.

The gears in the 4-cyl T5 aren't so strong, and first gear is annoyingly low, but it will serve you well in moderation until your main T5 gets rebuilt and back to you.
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Unread 03-23-2010   #8 (permalink)
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So you guys are saying that a bellhousing from a 2.3L will fit on 5.0L?? without any mods?
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Quote:
Originally Posted by carb_mustang View Post
So you guys are saying that a bellhousing from a 2.3L will fit on 5.0L?? without any mods?
No, No! This thread is about putting a T5 from a 2.3 Mustang into a 5.0 mustang.

In looking back at the wording of the original post I can see how it could be taken the other way...

The 2.3 T5 bell housing is vastly different from a 5.0.
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