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4r100 rebuild kit difference?

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Old Feb 5, 2013 | 01:49 PM
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4r100 rebuild kit difference?

Out of curiosity what changed between 2000 and 2001 with the 4r100 to have different kits? I'm rebuilding my transmission soon and wasn't sure.

Ford E4OD 4R100 Deluxe Rebuild Transmission Kit 01 Up | eBay

Ford E4OD 4R100 4 97 2000 Deluxe Overhaul Kit E40D | eBay
 
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Old Feb 5, 2013 | 02:50 PM
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You got me. Have you tried asking them? Both kits are from the same seller.
 
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Old Feb 5, 2013 | 03:54 PM
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Hmm, I called and they said the frictions have a different tooth count between the years.
 
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Old Feb 7, 2013 | 12:00 PM
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Also,

I have read differing ideas. Should I go with the Red Eagle kit or OEM? The Red Eagle Alto kit offers the Alto Power Pack and with additional clutches. Is it worth the extra cost to do or should I avoid it?
 
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Old Feb 7, 2013 | 12:50 PM
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red eagle is suppose to handle heat better so it wont fad and wear out as fast as stock. I would go with the better parts, and install a good valve body kit from Sonnex since your gonna have it all apart....
 
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Old Feb 7, 2013 | 12:51 PM
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and the only difference Ive heard is that the 5.4 auto trans has smaller pinion gears and less rings then the V10 and diesel auto trans. Both are the 4R100 but the internals are just slightly different
 
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Old Feb 8, 2013 | 04:57 PM
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Originally Posted by SuperDutyScaler
red eagle is suppose to handle heat better so it wont fad and wear out as fast as stock. I would go with the better parts, and install a good valve body kit from Sonnex since your gonna have it all apart....
I've been researching and decided to go with the standard kit. The Red Eagle Kit has the power pack to add more clutches and from researching around I've heard of warping problems when towing using this kit. The steels are made thinner to fit the extra clutches and under heavy loads and towing they can warp. The standard kit still has clutches and steels made by Alto.

I was looking into a Transgo or Sonnex kit but I also have a 5 Star tune and it looks like that may give me issues trying to run both.
 
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