TorqueShift Max Torque?
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TorqueShift Max Torque?
I'm about to purchase a Duramax but the maximum torque that the stock Allison will handle is around 700 ft/lbs. After that you have to pull the transmission and add a Transgo kit (~$300 self install) and possibly a torque convertor (~$1200).
What is the maximum torque that the stock TorqueShift transmission will handle? Also, what is the entry level upgrade to the transmission and how much additional torque will it handle? What is that cost?
Thanks for your help.
What is the maximum torque that the stock TorqueShift transmission will handle? Also, what is the entry level upgrade to the transmission and how much additional torque will it handle? What is that cost?
Thanks for your help.
Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Originally Posted by skyhook8
I'm about to purchase a Duramax but the maximum torque that the stock Allison will handle is around 700 ft/lbs. After that you have to pull the transmission and add a Transgo kit (~$300 self install) and possibly a torque convertor (~$1200).
What is the maximum torque that the stock TorqueShift transmission will handle? Also, what is the entry level upgrade to the transmission and how much additional torque will it handle? What is that cost?
Thanks for your help.
What is the maximum torque that the stock TorqueShift transmission will handle? Also, what is the entry level upgrade to the transmission and how much additional torque will it handle? What is that cost?
Thanks for your help.
Post Fiend
Joined: Oct 2002
Posts: 11,314
Likes: 4
Skyhook from your signature, sounds like u like to "tinker" with your trucks 
All reports are that the TS can take a tremendous increase in lbft...
I have heard daily drivers in the high 800 lbft's...
mine with stock intake, Predator, and turbo back has been running in the 720 lbft since about March... and I promise you it gets "used"...
32K miles and not a whisper of a problem...
they got this torqueshift right !
The only change I would make to it ?
Upshift at lower rpms when not at full throttle....
and don't downshift when accelerating at anything less than 3/4 throttle...
let the 700lbft of torque WORK!
but that's a computer change - not a tranny change
All reports are that the TS can take a tremendous increase in lbft...
I have heard daily drivers in the high 800 lbft's...
mine with stock intake, Predator, and turbo back has been running in the 720 lbft since about March... and I promise you it gets "used"...
32K miles and not a whisper of a problem...
they got this torqueshift right !
The only change I would make to it ?
Upshift at lower rpms when not at full throttle....
and don't downshift when accelerating at anything less than 3/4 throttle...
let the 700lbft of torque WORK!
but that's a computer change - not a tranny change
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I've received more information from other forums and from a vendor and it appears that the TorqueShift's adaptive shifting has trouble with the higher torque. I was also told that the upgrade options on the Torqueshift are limited.
As a side note, I test drove a Powerstroke with the LT 275x70x18 tires/wheels today. Very nice looking truck. The power was outstanding. I know the Duramax didn't leave the same impression on me.
I had thought that Ford was discounting as much or more than Chevrolet but now that I've looked into it more that doesn't appear to be the case. Since the diesels are pushing my budget to the limit it looks like I might be purchasing a Duramax.
As a side note, I test drove a Powerstroke with the LT 275x70x18 tires/wheels today. Very nice looking truck. The power was outstanding. I know the Duramax didn't leave the same impression on me.
I had thought that Ford was discounting as much or more than Chevrolet but now that I've looked into it more that doesn't appear to be the case. Since the diesels are pushing my budget to the limit it looks like I might be purchasing a Duramax.
Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Originally Posted by skyhook8
I've received more information from other forums and from a vendor and it appears that the TorqueShift's adaptive shifting has trouble with the higher torque. I was also told that the upgrade options on the Torqueshift are limited.
As a side note, I test drove a Powerstroke with the LT 275x70x18 tires/wheels today. Very nice looking truck. The power was outstanding. I know the Duramax didn't leave the same impression on me.
I had thought that Ford was discounting as much or more than Chevrolet but now that I've looked into it more that doesn't appear to be the case. Since the diesels are pushing my budget to the limit it looks like I might be purchasing a Duramax.
As a side note, I test drove a Powerstroke with the LT 275x70x18 tires/wheels today. Very nice looking truck. The power was outstanding. I know the Duramax didn't leave the same impression on me.
I had thought that Ford was discounting as much or more than Chevrolet but now that I've looked into it more that doesn't appear to be the case. Since the diesels are pushing my budget to the limit it looks like I might be purchasing a Duramax.
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Post Fiend
Joined: Oct 2002
Posts: 11,314
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ANY tranny will have issues with "higher torque"
but what is the definition of higher torque ?!?!?!!?!? you ask ?
the torque at which it is not designed to handle....
I KNOW the torqueshft will handle 800 ftlb's ......
and unless you're building a drag truck... that's MORE THAN enough !
but what is the definition of higher torque ?!?!?!!?!? you ask ?
the torque at which it is not designed to handle....
I KNOW the torqueshft will handle 800 ftlb's ......
and unless you're building a drag truck... that's MORE THAN enough !
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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?
Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
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?
I'm not concerned about mine, personally. If it rips apart I have a spare, and that will give me a good core to send in for a rebuild.
The 5 setting on the Powerstroke Edge requires no transmission modifications. I confirmed this with Edge products before I ordered thier box from Beam Chevrolet in Forest City, NC. I pick mine up tomorrow, and the truck on Thursday.
Last edited by PSD 60L Fx4; Jul 27, 2004 at 10:51 PM.
Post Fiend
Joined: Oct 2002
Posts: 11,314
Likes: 4
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 the vendors that seel the 165 HP and 160 HP boxes say....
All I can tell you is that mine and Choctaw Bob's trannies don't have an issue... and you can look at our dyno charts....
