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  #1  
Old 01-27-2008, 04:43 PM
thunderbird61 thunderbird61 is offline
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Default gasket for trans

Hi!

I have a 61 Tbird, with a Cruis O Matic, and I'm about to buy a gasket for the oil pan on it. But the dealer asks me if I have a "MEDIUM CASE" or not?

Can any of you tell me what case it is on this model?

Regards
ronny
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  #2  
Old 01-27-2008, 06:04 PM
bcomo bcomo is offline
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Default

Ronny:

From what I've read, the designation of Small (FX), Medium (MX) and Large (HX) transmission case only applies to the 51-60 3 speed COM.

Beginning in 1961, there is no designation of small, medium or large case-- it is just a COM (with a transmission tag ID of PCE-B) on the left side of the transmission case.
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1960 Hard Top/430
Thunderbird Registry Number 1231
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  #3  
Old 01-27-2008, 08:10 PM
Alan H. Tast, AIA Alan H. Tast, AIA is offline
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Default COM Size

You should have a medium case/MX. The large-case version was used on Lincolns, small case behind Y-blocks and 6-cylinders.
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Old 01-27-2008, 09:17 PM
bcomo bcomo is offline
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Ronny:

I would go with what Alan says on this, as he is more knowledgeable of the tranny installations/types.
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1960 Hard Top/430
Thunderbird Registry Number 1231
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  #5  
Old 01-28-2008, 04:05 AM
thunderbird61 thunderbird61 is offline
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Quote:
Originally Posted by Alan H. Tast, AIA View Post
You should have a medium case/MX. The large-case version was used on Lincolns, small case behind Y-blocks and 6-cylinders.
Thanks for your help, I will go for the medium case then.

Regards
Ronny
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  #6  
Old 02-05-2008, 03:40 PM
KULTULZ
 
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The below ILL shows the difference between a FX and MX pan gasket-

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  #7  
Old 02-07-2008, 07:05 AM
thunderbird61 thunderbird61 is offline
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Thanks!

Nice to know!


Regards
Ronny
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