The Innovators -
Posting Guru
Joined: Nov 2004
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From: N. Mississippi
Let the others try new innovations and if they work...adopt 'em. Saves money I think.
Also...I had a 78 Datusn truck that had emblems on it that said "Datsun by Nissan". So they actually started changing the name back then. I owned an 87 Nissan "hardbody" that was a great vehicle for 196k miles....but the name was a misnomer. A tennis ball bounced on the hood when new and put a small ding in the sheet metal.
Also...I had a 78 Datusn truck that had emblems on it that said "Datsun by Nissan". So they actually started changing the name back then. I owned an 87 Nissan "hardbody" that was a great vehicle for 196k miles....but the name was a misnomer. A tennis ball bounced on the hood when new and put a small ding in the sheet metal.
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Originally Posted by tmyers
Its not the 5 speed that is important. 2 modes of operation normal and tow mode. Tow mode, different gearing and allows for engine braking. I'm not aware of another auto that does this and this is what makes it a good tranny.
In addition the Allison also has a Defuel before shifting
Last edited by DMAX-HD; Feb 24, 2005 at 01:18 PM.
FTE Leadership Emeritus
Joined: May 2004
Posts: 18,787
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From: Melbourne, Aus
Originally Posted by 73Fastbackv10
They also use the 3 valve engine design, which I believe only Mercedes uses.
Audi and VW have been using DOHC with 5V per cylinder for years.
Ford isn't hugely advanced in regards to technology, but they are far better than the "other 2", I mean pushrod V8's...
Posting Guru
Joined: Jun 1999
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From: Everett, Wa
I stand corrected. The allison beat the TS by 2 years. But while the allison reverts to a 4 speed (lock out 5th) in tow mode the TS is still a 5 speed it just changes the shift points and gear ratio. In reality the TS has 6 forward gears.
Posting Guru
Joined: Oct 2002
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From: Raleigh, NC
Originally Posted by DMAX-HD
Yup the Allison has grade braking - tow/haul - and 5th gear lockout.
In addition the Allison also has a Defuel before shifting
In addition the Allison also has a Defuel before shifting
Posting Guru
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Yup it does have a 5 gear lock-out. Which I guess could be useful for some folks. I've never used it pulling or otherwise. The grade braking on the Allison works on all gears - similiar to the TS. Driven in both with a load - like'em both. They both must caculate speed, load, etc. to figure out when to shift. The Allison's grade braking features starts working with a light tap on the brake.
So don't confuse the 5th gear lock-out with grade braking.
And don't forget the Allison has defuels before shifts. I've heard good and bad. Some people think it makes the shifts seem 'jerky' when accelerating without a load. Took me a couple miles to get used to it.
So don't confuse the 5th gear lock-out with grade braking.
And don't forget the Allison has defuels before shifts. I've heard good and bad. Some people think it makes the shifts seem 'jerky' when accelerating without a load. Took me a couple miles to get used to it.
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Posting Guru
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Originally Posted by tmyers
I stand corrected. The allison beat the TS by 2 years. But while the allison reverts to a 4 speed (lock out 5th) in tow mode the TS is still a 5 speed it just changes the shift points and gear ratio. In reality the TS has 6 forward gears.
Posting Guru
Joined: Oct 2002
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From: Raleigh, NC
The one I drove, in Tow/Haul mode would still shift 4 times (remember you start in 1st already), I thought it had something like a "Low Range" OD for pulling (T/H mode), and a "High Range" OD for running light (normal).
Acceleration was definitely better w/T-H mode on, it did not feel like it had a 'hole' to climb out of when going uphill.
Acceleration was definitely better w/T-H mode on, it did not feel like it had a 'hole' to climb out of when going uphill.
Post Fiend
Joined: Jan 1997
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From: Enjoying the real world.
Originally Posted by DMAX-HD
TorqueShift Tranny? I beleive that was GM that put the first automatic 5 speed to a light duty deisel.
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Originally Posted by webmaster
Ford's diesel tranny is actually a 6 speed. It has a different 3-4 upshift than the 5-4 downshift. In other words, one of the 4th gears is used solely for upshift, the other (with a different ratio) is used for downshift.
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Originally Posted by MW95F250
The one I drove, in Tow/Haul mode would still shift 4 times (remember you start in 1st already), I thought it had something like a "Low Range" OD for pulling (T/H mode), and a "High Range" OD for running light (normal).
Acceleration was definitely better w/T-H mode on, it did not feel like it had a 'hole' to climb out of when going uphill.
Acceleration was definitely better w/T-H mode on, it did not feel like it had a 'hole' to climb out of when going uphill.
Posting Guru
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To put this thread back on track:
I had a 97 Ford f150 - sharp truck. That was a new body style year and they actually put the exaust before the rear wheel. That was a really great idea!
It had to be re-thought though. It turned out the the exhaust pitted the wheels. To Fords credit they took care of all the exhaust systems and usually all 4 wheels. I beleive that must have been a major expense on their part. But that was a good case of looking at the bigger picture and asking - 'Why do we do it this way.'
I had a 97 Ford f150 - sharp truck. That was a new body style year and they actually put the exaust before the rear wheel. That was a really great idea!
It had to be re-thought though. It turned out the the exhaust pitted the wheels. To Fords credit they took care of all the exhaust systems and usually all 4 wheels. I beleive that must have been a major expense on their part. But that was a good case of looking at the bigger picture and asking - 'Why do we do it this way.'
Thread Starter
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New User
Joined: Sep 2004
Posts: 12
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Originally Posted by BigF350
The 3 valve design is hardly technologically advanced.
Audi and VW have been using DOHC with 5V per cylinder for years.
Ford isn't hugely advanced in regards to technology, but they are far better than the "other 2", I mean pushrod V8's...
Audi and VW have been using DOHC with 5V per cylinder for years.
Ford isn't hugely advanced in regards to technology, but they are far better than the "other 2", I mean pushrod V8's...