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Old Dec 10, 2015 | 04:03 PM
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C4 help

I own a 56 F100 and have bought a Flat-O bellhousing Kit to install a C4 on my 292 Y Block. I mainly drive the 56 around town and cruise a bit on the interstate but won't be racing it.

I've got a couple of 1975 C4s that were behind 171 CI V6s. I've read that these were unique and had their own valve bodies but my question is can I rebuild them for my 292? I've read about adding clutches but am not sure how that is accomplished.

Any help will be greatly appreciated. OBTW the reason I'm asking about rebuilding the V6 C4s is I've only been able to locate pan fill V8 C4s and I need a case fill for the Flat-O bellhousing to fit.
 
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Old Dec 10, 2015 | 04:42 PM
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This can be accomplished by machining the pressure plates to accept extra plates.
A wider band is advisable too.
 
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Old Dec 10, 2015 | 05:04 PM
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Stuart,
Have you dealt with a PEJ-J1 tranny before? Not sure what to expect when I open it up.
 
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Old Dec 10, 2015 | 05:28 PM
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Just a C4 transmission that may or may not have been updated.
 
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Old Dec 10, 2015 | 06:34 PM
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Originally Posted by stuart1
Just a C4 transmission that may or may not have been updated.
Updated??? Tell me more.
 
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Old Dec 10, 2015 | 06:40 PM
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Given the year who knows what has been done to it. A 1974 transmission is 40 years old. The only way of knowing is ripping it apart. Counting clutches. Shift kit may have been installed.



http://www.network54.com/Forum/26073...99090/Question
 
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Old Dec 10, 2015 | 09:40 PM
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Just pulled the pan on one. The valve body has RF-D42P-7A101-AA under that it has LESTER-1.



Under one of the bolts it has a tag with H6 C.



Does any of this help?
 
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Old Dec 11, 2015 | 09:36 AM
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Just says it's a 74.
 
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Old Dec 12, 2015 | 07:58 AM
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From: Somewhere Saskatchewan
http://www.transgo.com/C4ID.pdf
 
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Old Dec 12, 2015 | 09:02 AM
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Just saw this. Thanks Stuart
 
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Old Jan 7, 2016 | 05:27 PM
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Still working on these V6 C4s. Opened them up and they have three lined plates each. I was told on another site I need 4 lined plates in each drum for a V8. One looks like it's been opened up before but one looks like it's never had anything done to it.

Direct clutches have: .066 Snap Rings, .225 Top Pressure Plates, 3@ .078 Steels & .075 Lined Plates. The lower pressure plate is one of the .078 steels.

Forward clutches have: .052 Snap Rings, .225 Top Pressure Plates, 2 .085 Steels, 3 .061 Lined Plates & .265 Bottom Pressure Plates.

Any ideas how to get 4 lined plates in each? I read you shouldn't use steels as a pressure plate but both have them????
 
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Old Jan 29, 2016 | 05:18 PM
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Back together. Sort of

Well after a bit of family time & waiting on parts I put it back together. I got .060 steels, .141 pressure plates and .066 snap rings. I've got 4 frictions in each now. Foward pack "dry" has .020 between the snap ring & pressure plate. But the Direct (High/Reverse) I can only get .035 again "dry". . Ford Specs call for .050-.070.

With only 4 frictions will the .035 be too tight? I did perform the oil mod and the #9 thrust washer mod. I also changed to AN #6 fittings and will run braided line to the radiator cooler.
 
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