manual down shifting
Hotshot
Joined: Oct 2006
Posts: 10,188
Likes: 8,069
From: Texas
Yup. Going down the “Davis Dam Hill” on AZ 68 into Bullhead City, which has a curve and a stop light at the bottom, I will maintain 50-55 MPH for the majority of the descent, then about a mile and a half from the stop light will drop another gear, turn my flashers on and start slowing, continuing to drop gears as needed. Then if the light is red will apply service brakes at about 30 MPH a short ways from the light. If, as I come around the curve and see the light turn from red to green, then will upshift and accelerate to the 45 MPH speed limit. If the light is already green when I see it I just maintain my speed until I am through the intersection or stop if it turns before I get there. Same thing I would do if I was in a big rig. Maintain control without over heating brakes!
Hotshot
Joined: Oct 2006
Posts: 10,188
Likes: 8,069
From: Texas
Yup. They all do. That hill is a part of the SAE J2807 Standardized tow test..
Thread Starter
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Hotshot
Joined: Dec 2005
Posts: 10,256
Likes: 7,694
From: Chino Valley, Arizona
I always liked seeing the new trucks all covered up. and blowing past them going up the mountain since they were required to do exactly the speed limit.
Fleet Mechanic
Joined: Nov 2006
Posts: 1,664
Likes: 219
From: Northwest
SAE J2807 Standardized tow test........ LOL
One more test, standard. requirement written by people with no practical experience....
“Every plan is a good one - until the first shot is fired.”
Carl von Clausewitz
Hobo
One more test, standard. requirement written by people with no practical experience....
“Every plan is a good one - until the first shot is fired.”
Carl von Clausewitz
Hobo
Hotshot
Joined: Oct 2006
Posts: 10,188
Likes: 8,069
From: Texas
SAE J2807 Standardized tow test........ LOL
One more test, standard. requirement written by people with no practical experience....
“Every plan is a good one - until the first shot is fired.”
Carl von Clausewitz
Hobo
One more test, standard. requirement written by people with no practical experience....
“Every plan is a good one - until the first shot is fired.”
Carl von Clausewitz
Hobo
Watch the chibby out do ALL others on the road............if you watch REAL CLOSE you can even see the frame of the old chitty start to buckle!
Tuned
Joined: May 2019
Posts: 279
Likes: 14
From: Brookings, SD
SAE J2807 Standardized tow test........ LOL
One more test, standard. requirement written by people with no practical experience....
“Every plan is a good one - until the first shot is fired.”
Carl von Clausewitz
Hobo
One more test, standard. requirement written by people with no practical experience....
“Every plan is a good one - until the first shot is fired.”
Carl von Clausewitz
Hobo
Having a standardized set of tests is great, because you now know that the vehicles are tested equally and meeting similar requirements.
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Fleet Mechanic
Joined: Nov 2006
Posts: 1,664
Likes: 219
From: Northwest
I'm saying they all made better trucks several years ago...
The engineers design the trucks and design the test and the manufacturer's release the results. #1 to the engineers is to draw a paycheck and build a pension. The needs of the customer is are way down the priority list... Needs of the share holders are above the needs of the customer.... I'm not picking on Ford or trucks in general... Just how I see the American industry evolving.
American schools administer standardized test.... Now teachers teach children how to pass the standardized test...
Hobo
The engineers design the trucks and design the test and the manufacturer's release the results. #1 to the engineers is to draw a paycheck and build a pension. The needs of the customer is are way down the priority list... Needs of the share holders are above the needs of the customer.... I'm not picking on Ford or trucks in general... Just how I see the American industry evolving.
American schools administer standardized test.... Now teachers teach children how to pass the standardized test...
Hobo
Tuned
Joined: May 2019
Posts: 279
Likes: 14
From: Brookings, SD
I'm saying they all made better trucks several years ago...
The engineers design the trucks and design the test and the manufacturer's release the results. #1 to the engineers is to draw a paycheck and build a pension. The needs of the customer is are way down the priority list... Needs of the share holders are above the needs of the customer.... I'm not picking on Ford or trucks in general... Just how I see the American industry evolving.
American schools administer standardized test.... Now teachers teach children how to pass the standardized test...
Hobo
The engineers design the trucks and design the test and the manufacturer's release the results. #1 to the engineers is to draw a paycheck and build a pension. The needs of the customer is are way down the priority list... Needs of the share holders are above the needs of the customer.... I'm not picking on Ford or trucks in general... Just how I see the American industry evolving.
American schools administer standardized test.... Now teachers teach children how to pass the standardized test...
Hobo
Auto manufacturers weren't the only ones involved in developing the test, my point was that they were all involved, so it wasn't just one manufacturer developing a test to favor themselves over the competition. It's not some big conspiracy where they made the test in a certain way to be deceiving. If you knew what all was tested, you'd see that.
As an engineer myself, and member of the Society of Automotive Engineers, I can say your critiques of engineers is unfounded. The guys at Ford, ram, gm, etc know damn well what they are doing, they know their product, and they know the market.
Tuned
Joined: May 2019
Posts: 279
Likes: 14
From: Brookings, SD
To get back on topic a little bit though, Here's some info about the test standard for anyone that is interested.
Thread Starter
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Hotshot
Joined: Dec 2005
Posts: 10,256
Likes: 7,694
From: Chino Valley, Arizona
Not sure what Ford stock has to do with the relevance of the SAE J2807 test standard.
To get back on topic a little bit though, Here's some info about the test standard for anyone that is interested. https://youtu.be/BbiBXK5CLlw
To get back on topic a little bit though, Here's some info about the test standard for anyone that is interested. https://youtu.be/BbiBXK5CLlw
Hotshot
Joined: Oct 2006
Posts: 10,188
Likes: 8,069
From: Texas
While it is good to have a standardized tow test, it is still a little bogus. Acceleration, 0-30, or 0-60 with a 20 or 25000 lb trailer in tow. Any modern diesel pickup would flat smoke the 2004 Kenworth I had with a 625 Cat, 18 speed with a 20,000 pound trailer behind it ( which was nothing for the KW); yet which one would pull the most.
Tuned
Joined: May 2019
Posts: 279
Likes: 14
From: Brookings, SD
While it is good to have a standardized tow test, it is still a little bogus. Acceleration, 0-30, or 0-60 with a 20 or 25000 lb trailer in tow. Any modern diesel pickup would flat smoke the 2004 Kenworth I had with a 625 Cat, 18 speed with a 20,000 pound trailer behind it ( which was nothing for the KW); yet which one would pull the most.