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Author Topic: T5 transmission. Using a V8 version on a 2.3?  (Read 1693 times)

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Offline russosborne

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T5 transmission. Using a V8 version on a 2.3?
« on: April 08, 2018, 02:26:50 AM »
Granted, I have only started looking locally for a T5 for the 2.3l I am pulling from the 89 Mustang for the 79 Pinto. Not finding ANY so far, but a fair amount of the V8 ones.
Not in any immediate hurry, but would like to know what my options are if I can't find a 4cyl version.
So I was wondering what needs to be done (if it is even possible) to use a V8 version on the 2.3, just in case.
I am still planning on using the A4ld for now, but long term that won't cut it.
Thanks,
Russ
In Glendale, Arizona

RIP Casey, Mallory, Abby, and Sadie. We miss you.

79 Pinto ESS fully caged fun car. In progress. 8inch 4.10 gears. 351C and a T5 waiting to go in.
74 Pinto Wagon.  To be or Not to be a Pinchero, that is the question.

Offline Wittsend

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #1 on: April 08, 2018, 09:55:24 AM »
The 2.3, 4 cylinder T-5 has a different input shaft length (longer).  It also has different ratios (4.01 vs 3.35 - 1st gear the most noteable). I've said this many times but the day of the wrecking yard Turbo Coupes (and more so the SVO Mustangs and Murkurs) has long been over. And the Murkur dosn't have a T-5 anyway. Even the likelihood of finding a N/A 2.3 Mustang are equally as small. 

Back in '07/'08 when I did my Turbo engine swap I'd find 3-5 Turbo Coupes at Pick Your Part every time I went.  But about 6 months into the project it trickled down to 1 each month. By 2010 it was maybe one every few months. I think I've seem ONE in the past four years. And this is So. Cal. where the cars last and are in abundance. But when you think about it the last Turbo Coupe was made in '88 and thus the newest ones are 30 years old!!!

The likelihood of finding a 2.3, T-5 is very small. And, even if you eventually do how many miles does it have??? You need to avoid the early ones that are not "World Class." You will also need the bellhousing/fork (the 87/88 hydraulic you don't want), pedals, clutch cable, driveshaft (or modify it) and modifications to the trans mount and cable location (get it over the crossmember). Lastly I modified the shifter handle (BTW, you need to cut the tunnel and patch the existing hole) because the stock lever had me punching the dash for 1st, 3rd, and 5th gears - as well as ackward motion).

So, yes the correct T-5 "bolts" to the 2.3. But, it is in no way a "bolt in" affair. Been there, done that.


Offline russosborne

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #2 on: April 08, 2018, 10:29:13 AM »
Agreed.
Hence my question on using the V8 version as at least around here they are pretty common.
Thanks,
Russ
In Glendale, Arizona

RIP Casey, Mallory, Abby, and Sadie. We miss you.

79 Pinto ESS fully caged fun car. In progress. 8inch 4.10 gears. 351C and a T5 waiting to go in.
74 Pinto Wagon.  To be or Not to be a Pinchero, that is the question.

Offline Wittsend

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #3 on: April 08, 2018, 04:13:41 PM »
IF..., there is a special made, protruding pilot bushing for the V-8 version..., that wouldn't interfere with the front of the disc splines..., or the throwout bearing there is a small chance it is adaptable. But, if the disc starts to slide off the (shorter) V-8 splines it may be a No-Go. There might be a problem with the V-8 version bearing retainer (centers trans in the bellhousing) sizes being different from the 2.3 version.

 Maybe someone here has done this specific swap? Lots to get right or you will have a pile of parts that will ultimately be remorsefully purchased. So, know for sure that it will work and your own skill set , tools, time, cash etc are applicable.

Offline lugnut

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #4 on: April 09, 2018, 03:04:32 AM »
I know what you are talking about with the junkyards.  Used to be all kinds of 2.3 T5 trans around. I regret not picking one up earlier. Luckily I have one in a 88 Turbo Coupe parts car, but I should probably get it rebuilt- first gear clashes a bit.
Mike

Offline Wittsend

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #5 on: April 09, 2018, 05:41:43 PM »
The difference is stated as only 1/4" (roughly) in length so It seems not too difficult a task to make an extended pilot bearing out of oil impregnated bronze on a lathe. The diameter is smaller but again if you are making it on a lathe from bronze stock, no problem.  BTW, my T-5 is from my '88 Turbo Coupe that was for 10 years my Daily Driver. 150K miles and still getting the job done.

Trans swaps always seem to be talked about with terms like "just" but that word often has significant limitations. There is a Toploader from a 80-86 Jeep pick up I've been trying to find for my Sunbeam Tiger called a T-178. It seems a very rare item to find. And strange because most Jeep guys want the granny geared T-176/177 so you would think the T178 would be a "get rid of" item.  Another trans the R-154 from Toyota (Supra Turbo) is a very stout 5 speed but I've never found one. These have adaptations to AMC and Chrysler (Plymouth-Dodge) products.

So, I'm always cautious when dealing with (advising on) these things. Today it is hard to "just" find a 2.3, T-5 and "pop" it in a Pinto. One must acquire the: flywheel, pressure plate, disc, throw out bearing, clutch fork, bellhousing, cable, pedals, adaptation to the cable to trans mount, cutting the tunnel, shortening/repositioning the shifter, altering the trans mount, altering the drive shaft --- and THEN you can "just pop" in the now difficult to acquire trans. I would just not feel it is right to encourage someone along who either has no experience, or has a history not completing projects. Call it  a sense of moral responsibility . Ultimately it is up to them to decide and for some they can rise to the challange, but being on many car foums I all too often see regression instead of progression. Sad for the owner, sad for the car.

Offline Billnparts

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #6 on: April 15, 2018, 02:32:10 AM »
Granted, I have only started looking locally for a T5 for the 2.3l I am pulling from the 89 Mustang for the 79 Pinto. Not finding ANY so far, but a fair amount of the V8 ones.
Not in any immediate hurry, but would like to know what my options are if I can't find a 4cyl version.
So I was wondering what needs to be done (if it is even possible) to use a V8 version on the 2.3, just in case.
I am still planning on using the A4ld for now, but long term that won't cut it.
Thanks,
Russ
All youíll need is a custom pilot bearing. The larger input shaft diameter requires it. 5th gear in a V8 trans is apx. .6 ratio where the 4cyl trans is .8. If youíre in a hilly area, 5th gear is almost useless. Thereís not enough Torque to use it. I used it until I could find a 4 cyl trans. I currently have the 4 cyl trans behind a V8. Iíll swap you, if youíre close.


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Offline russosborne

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #7 on: April 15, 2018, 03:10:37 AM »
Thanks.
I'm in Glendale, AZ.
But I don't have any T5 yet. Just getting started on the process and trying to learn.
Russ
In Glendale, Arizona

RIP Casey, Mallory, Abby, and Sadie. We miss you.

79 Pinto ESS fully caged fun car. In progress. 8inch 4.10 gears. 351C and a T5 waiting to go in.
74 Pinto Wagon.  To be or Not to be a Pinchero, that is the question.

Offline D.R.Ball

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #8 on: June 03, 2018, 03:11:55 PM »
Go to turbofofrd.net for information on the V-8 T-5 conversions. They seem to be pretty common.


Offline russosborne

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #9 on: August 29, 2018, 06:37:11 AM »
Missed this last reply before.
Thanks!
Russ
In Glendale, Arizona

RIP Casey, Mallory, Abby, and Sadie. We miss you.

79 Pinto ESS fully caged fun car. In progress. 8inch 4.10 gears. 351C and a T5 waiting to go in.
74 Pinto Wagon.  To be or Not to be a Pinchero, that is the question.

Offline Billnparts

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Re: T5 transmission. Using a V8 version on a 2.3?
« Reply #10 on: June 19, 2019, 05:37:48 AM »
Now that my V8 swap is complete, Iíve some 2.3 parts to dispose of. Thereís a Turbo Coupe flywheel and bellhousing I no longer need along with an Offenhauser 4 barrel intake for a round port head.


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