TorqueShift Max Torque?
Laughing Gas
Joined: May 2003
Posts: 1,125
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Postmaster
Joined: Dec 2003
Posts: 3,359
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From: Dallas
The general consensus of opinion on most of the technical forums is that the stock torqushift will handle 1,200 ft. lb. of torque in an empty truck.
A lot of the ideas you have gathered are simply wrong. Do a search on this Forum and some of the other technical forums and you will find the answer.
Multiplied torque to the transmission input and ourput shafts and all the clutches and gears in between is the torque the trans must be able to handle. You may be getting engine torque output and transmission load capability confused.
A lot of the ideas you have gathered are simply wrong. Do a search on this Forum and some of the other technical forums and you will find the answer.
Multiplied torque to the transmission input and ourput shafts and all the clutches and gears in between is the torque the trans must be able to handle. You may be getting engine torque output and transmission load capability confused.
FTE Leadership Emeritus
Joined: Jan 2003
Posts: 161,999
Likes: 75
From: 3rd Rock
Originally Posted by skyhook8
Quote from an un-named, high profile vendor:
"The torque shift has a hard time adapting to the high hp anything up over 100hp due to its adaptive shift strategy. You can get the allison to break down in the high hp settings but overall the allison seems to handle the high hp better than the torque shift. One of the main advantages the allison has is the capablilty to upgrade with aftermarket parts there isn't alot available for the torque shift at this time. If your planning on running alot of power I would suggest the Allison with a few upgrades to the torque converter and some clutching until they come out with something to help the torque shift."
I don't see anything on the Suncoast or the BTC site about the Torqshift. They only mention the 4R100.
If I add a Transgo kit ($200 on Ebay) to the Allison I can run Edge Juice Level 5.
If I want to run Edge Juice Level 5 with the Torqshift what do I have to do to get it to last and to shift right?
"The torque shift has a hard time adapting to the high hp anything up over 100hp due to its adaptive shift strategy. You can get the allison to break down in the high hp settings but overall the allison seems to handle the high hp better than the torque shift. One of the main advantages the allison has is the capablilty to upgrade with aftermarket parts there isn't alot available for the torque shift at this time. If your planning on running alot of power I would suggest the Allison with a few upgrades to the torque converter and some clutching until they come out with something to help the torque shift."
I don't see anything on the Suncoast or the BTC site about the Torqshift. They only mention the 4R100.
If I add a Transgo kit ($200 on Ebay) to the Allison I can run Edge Juice Level 5.
If I want to run Edge Juice Level 5 with the Torqshift what do I have to do to get it to last and to shift right?
what do you do for a living...curious
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New User
Joined: Nov 2002
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Originally Posted by Choctaw Bob
Multiplied torque to the transmission input and ourput shafts and all the clutches and gears in between is the torque the trans must be able to handle. You may be getting engine torque output and transmission load capability confused.
"It's rated for 1000 lb/ft at the geartrain, but the converter multiplies torque at a factro of 1:2.13, so safely about 500 lb/ft at the flywheel. The torque multiplication decreases as RPMs increase, it's hard to explain, but short answer is 500 pounds at the flywheel, give or take a few."
Former Vendor
Joined: Mar 2004
Posts: 4,362
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From: Hendersonville, NC
Originally Posted by skyhook8
This quote is from Gregg Evans (Factory Tech) in reference to the 4R100:
"It's rated for 1000 lb/ft at the geartrain, but the converter multiplies torque at a factro of 1:2.13, so safely about 500 lb/ft at the flywheel. The torque multiplication decreases as RPMs increase, it's hard to explain, but short answer is 500 pounds at the flywheel, give or take a few."
"It's rated for 1000 lb/ft at the geartrain, but the converter multiplies torque at a factro of 1:2.13, so safely about 500 lb/ft at the flywheel. The torque multiplication decreases as RPMs increase, it's hard to explain, but short answer is 500 pounds at the flywheel, give or take a few."
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New User
Joined: Nov 2002
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Originally Posted by Tim Lamkin
Name it
Originally Posted by Tim Lamkin
I would like to know what do you do for a living...curious
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New User
Joined: Nov 2002
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Originally Posted by PSD 60L Fx4
the source of that information is totally wrong... That is hooey.
Now my statement [is] rather extreme but you'll find that you won't be able to argue with it.
FTE Leadership Emeritus
Joined: Jan 2003
Posts: 161,999
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From: 3rd Rock
Originally Posted by skyhook8
I'd have to get permission from the source to name it. If you want I'll ask but they do a lot (I'm guessing) of business with Ford owners and since he seems to give an advantage to the Allison I didn't feel it would be considerate to him to make his private message public. Of course, this was one person's response and the official statement from the company would most likely be much more balanced.
I'm definitely not in the automotive business if that's what you're getting to. I'm just a guy that likes to go faster than the next while spending as little money and time as possible.
I'm definitely not in the automotive business if that's what you're getting to. I'm just a guy that likes to go faster than the next while spending as little money and time as possible.
Elder User
Joined: Nov 2003
Posts: 987
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From: Bass Lake, CA
ooo oo, hook a brother up!
i like long walks on the beach, candlelight dinners...large breas....... ohh, systems engineer..... dad gummit! thought i was gonna get a discount or something.
not that my wife would approve, but hey, it is worth a shot.
i like long walks on the beach, candlelight dinners...large breas....... ohh, systems engineer..... dad gummit! thought i was gonna get a discount or something.
not that my wife would approve, but hey, it is worth a shot.