93 wc v8 main case swap- what years are interchangeable

K

Kett63

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Jan 30, 2021

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Jan 30, 2021

#1

• Jan 30, 2021

• #1

I have a 93 mustang v8 trans. Specifically tag # 13 52 218. It has a small crack at the oil drain. I would like to swap out the main case. What “years” would work? Specifically I bought the attached replacement case off eBay. Seller said it would fit but I want to be sure before I am SOL at the garage when they go to swap the cases. Do all the wc cases fit regardless of the year or engine type?

 

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K

Kett63

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Jan 30, 2021

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Jan 30, 2021

#2

• Jan 30, 2021

• #2

The seller assured me they do this type of swap frequently, just want to see your input as a sanity check. Thanks!

 

Mustang5L5

That is…until I whipped out my Bissell

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Jan 30, 2021

#3

• Jan 30, 2021

• #3

There’s a wide range of interchangeable main cases. I’d say 1985.5 thru 2010 T5 main cases will interchange. That’s just for the Mustang. You could probably throw a the camaro and S10 into the mix as well. The pre-93 cases lack a pin used for the 5-R reverse torsion spring

that case has the pin for the reverse torsion spring, like your 93 cobra case should have, so it’s likely a 93-97 case. The exact year is cast in the side of the case in a circle. Looks like it’s right here (arrow) but out of frame. I’ve circled the 5-r spring pin

 

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K

Kett63

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Jan 31, 2021

#4

• Jan 31, 2021

• #4

Ok great, yea the stamp there is “6”. Assuming 1996. Yes, always wondered what that post was. The cobra trans is a great gear box. I have it in my 63 Falcon Sprint. Still angry about the crack... I emailed the seller and he reassured me again this will fit when I go to swap. Just want to be sure so there are no”surprises “. Thanks for your input. I feel better about this.

 

nickyb

I gotta say i never painted my nuts, Never Ever

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nevada

Jan 31, 2021

#5

• Jan 31, 2021

• #5

Hi kett, if you dont mind me asking what did you pay for the case?

 

K

Kett63

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Feb 1, 2021

#6

• Feb 1, 2021

• #6

Sure, I paid $60 for the case. Most cases were between 60-90 on eBay.

 

K

Kett63

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Feb 1, 2021

#7

• Feb 1, 2021

• #7

Also did the mustangs have dextron 3? Thought dextron was gm and mercon was Ford. I have a couple quarts of valvoline mercon5 on hand. Anyone use this or is there a better atf fluid you guys like?

 

Mustang5L5

That is…until I whipped out my Bissell

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Feb 1, 2021

#8

• Feb 1, 2021

• #8

The two fluids are so close they are considered interchangeable, which is why you'll often find bottles labeled "DextronIII/Mercon"

The T5 was developed by BW for both Ford and GM applications, and specified DexII originally, and DexIII after 1993.

Ford later changed the recommended fluid to MercV

https://latemodel.cachefly.net/downloads/tsb05-14/tsb06-26-01.pdf

I either run D3/Merc or MercV depending on what's on the shelf at the autoparts store I go to.

2.8 quarts

 

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Kett63

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Feb 3, 2021

#9

• Feb 3, 2021

• #9

Mustang5L5 said:

The two fluids are so close they are considered interchangeable, which is why you'll often find bottles labeled "DextronIII/Mercon"

The T5 was developed by BW for both Ford and GM applications, and specified DexII originally, and DexIII after 1993.

Ford later changed the recommended fluid to MercV

https://latemodel.cachefly.net/downloads/tsb05-14/tsb06-26-01.pdf

I either run D3/Merc or MercV depending on what's on the shelf at the autoparts store I go to.

2.8 quarts

Click to expand...

Ok cool, so it sounds like these t5s aren’t too picky just dextron3/mercon5 and they are happy. I probably will use my valvoline mercon 5 then.