4R100 life span?
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
I bought my early 03 new and I babied it thruout the years except for the occasional romps to blow it out and I got 119,200 on it now. Just a couple months ago I upgraded to a John Wood VB and the shifts are crisp and right on, one of the best investments I made for my trans, hope it goes another 119,200..
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,717
Likes: 2,643
From: SE Florida
Yes it does. The 6.0L cooler is MUCH larger than either the 6.8L or 7.3L coolers.
Cargo Master
Joined: Dec 2003
Posts: 2,022
Likes: 4
From: Redford, Mi.
I was on another forum, wish I could find it again, that had a local engineer posting on it.(by local I mean assembly plant engineer from the truck plant) and basically they were using diode transmissions in anything they needed them for until the fix came through. I will try to find the forum again, it was interesting.
FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,246
Likes: 761
From: Houston, Texas
Believe it or not, the V10 trans cooler is surprisingly bigger than the 7.3 trans cooler. I ran that for a little while before I was able to afford a 6.0 trans cooler. But there is no comparison between 6.0 trans cooler and V10 cooler; the 6.0 trans cooler is MUCH more superior.
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
I was on another forum, wish I could find it again, that had a local engineer posting on it.(by local I mean assembly plant engineer from the truck plant) and basically they were using diode transmissions in anything they needed them for until the fix came through. I will try to find the forum again, it was interesting.
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
so how much better is the newer torque shift?
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FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,246
Likes: 761
From: Houston, Texas
Virtually indestructable....
Look down in the 6.0 and 6.4 forums and see how many trans failures you read about. From what I've read it can handle up to 1100 ft/lbs of torque
Look down in the 6.0 and 6.4 forums and see how many trans failures you read about. From what I've read it can handle up to 1100 ft/lbs of torque
Transmission Rebuilder
Joined: Jul 2008
Posts: 1,570
Likes: 63
From: North Georgia
Not to knock the Torque Shift, but mine has failed twice, once at 12k (dealer fixed) once at 55k (I fixed). Both times the diode in the coast clutch drum let go.
I must admit the only Torque Shift that has come through my shop was my own
I think they are good transmissions.
I must admit the only Torque Shift that has come through my shop was my own
I think they are good transmissions.
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
can i swap from 4R100 to a torque shift?
FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,246
Likes: 761
From: Houston, Texas
Welcome to the club, it's not possible at the current time.
If I could be done, myself and other 7.3 owners with failed trannies would have done it.
If I could be done, myself and other 7.3 owners with failed trannies would have done it.
FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,246
Likes: 761
From: Houston, Texas
Neither did I, wish I could find it though....
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
