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| | | Supreme Being
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Last Login: Yesterday @ 4:47 PM
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| I am about ready to install a C4 in my bird. Do any of you Y Guys recommend any particular year due to reliability ,ease of installation etc.I have ordered my adapter from Mummert and am waiting delivery. So, I guess I need to go looking for one. There is a transmission shop about an hour away that rebuilds C4s for street/strip applications. I can get one there fairly inexpensive but I am interested in cruising not the 1/4 mile. Any thoughts appreciated.
55Birdman |
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| | | Supreme Being
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Last Login: Today @ 6:06 AM
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| If all you're going to do is cruise, then have him do a stock rebuild and maybe a shift kit. Almost any year would be fine, look for one the same length as your Fordo, or slightly longer if you can find one. That way you won't have to have a new driveshaft built, you'll be able to shorten the old one.
Frank/RebopBristol, In ( by Elkhart) 
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| | | Forum Newbie
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Last Login: Monday, August 18, 2008 12:40 AM
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| If you are interested in an almost bullet proof transmission, I'd recommend going with a C5 which is basically the same as a C4, but it has a hardened input shaft, more clutches and an improved oil system. They need to have a C4 valve body used in them as the C5 valve body is trash. One can use the good apply pistons in them that the C4s can use.
There is a place in Wichita, Kansas (Chance Transmission) that the owners son has been running a C5 behind his 460 stroker motor in a Fox body Mustang. This is not a fly by night transmission shop, they have been there for as long as I remember. They built our 400 trans for our mud racers and build transmissions for some of the top monster trucks in the US. Google Ford C5 transmissions and read about them. |
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| | | Co-Administrator
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| Ditto on the C5 case. My own tranny guy likes using the C4 guts (innards for you Texans out there) within that particular case. The other consideration on a C4 is whether the transmission is a ‘pan fill’ or ‘case fill’. My own druthers are for the case fill only from the leakage standpoint. But my transmission guy does prefer the pan fill versions but only from a performance standpoint where the pan fill case is potentially stronger without the case fill hole in it. Unless you’re running big horsepower numbers, it’s nothing to get overly concerned about.
  Lorena, Texas (South of Waco)
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| | | Supreme Being
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Last Login: Today @ 6:06 AM
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| I think the C5 had a early version of the lockup convertor. Throw that away.
Frank/RebopBristol, In ( by Elkhart)
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