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C6 Identification & fluid type

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Old May 10, 2003 | 08:41 AM
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Post C6 Identification & fluid type

I have a 1976 Ford (model P-450)mini-schoolbus. I am trying to identify the transmission. I went to my local auto parts and looked at pan gaskets and the pan gasket tells me it is a C-6, but my manual says a C-6 requires Dextron 2 fluid. The dipstick ( a very unusual type dipstick because of the cab over type body) says use type F fluid. Which should I use?
The pan looks like a square with a rear corner cut out, and it has a 1,2,and drive on the shifter , Is this a C-6 or could it be a fmx.
I was sure it was a C-6, but the dipstick, that says use type f fluid, makes me wonder. As always thanks!
 
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Old May 10, 2003 | 01:53 PM
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C6 Identification & fluid type

http://www.bulkparts.com/MM011.ASP?pageno=1211
http://pages.prodigy.net/kennethl6/_wsn/page8.html
http://www.mustangcentral.net/tech/c4.html
 
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Old May 10, 2003 | 09:05 PM
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Wink C6 Identification & fluid type

Steve83- Thanks for the sites, very informative. I am sure the tranny is a c-6, but still wonder why the dipstick says to use type F fluid. A man at the autoparts told me that the early C-6 's used type F, but I can't find anything to back his statement up. All my info says to use dextron 2. Any ideas on this?
 
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Old May 10, 2003 | 09:51 PM
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C6 Identification & fluid type

Being in the 70's, it probably should take type F. Id be fien with using type F, if it wasnt meant for it, youll know when it shifts a bit firmer then before! Type F has friction modifier where as Dex doesnt.
 
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Old May 11, 2003 | 08:56 AM
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C6 Identification & fluid type

C6 transmissions after 1980 take dexron/mercon fluid. Anything before that took type F. Unless it has been rebuilt. Then it should take Dexron/mercon.
 
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Old May 11, 2003 | 01:56 PM
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Wink C6 Identification & fluid type

Thanks Guys, I will use type F!
 
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