Gas vs PSD
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
Here's the first one I did. Holding redline in each gear up through 3rd:
YouTube - VID 20101205 133456
And here's a full-power acceleration. Traction control cut power as the wheels started to spin, but otherwise it's a good example.
YouTube - VID 20101205 133557
On a PSD it shifts well before redline to make the maximum power possible; holding redline in "M" mode demonstrates no programmed limits are present.
YouTube - VID 20101205 133456
And here's a full-power acceleration. Traction control cut power as the wheels started to spin, but otherwise it's a good example.
YouTube - VID 20101205 133557
On a PSD it shifts well before redline to make the maximum power possible; holding redline in "M" mode demonstrates no programmed limits are present.
When you was in "5" didn't you get knocked off 5k? Kinda blurry I couldn't tell. Aint that a 2011 SD?
Elder User
Joined: Apr 2009
Posts: 685
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From: Spokane, WA
I am just saying that is probably a reason the PSD puts more HP to the ground than the V10, or the V10 has not been able to hit peak rpms in the tests we have seen when loaded. It does not have the torque to hit the RPMs in the right range.
This is not bashing the v10 so it is okay to agree... haha
Posting Guru
Joined: Aug 2008
Posts: 2,313
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From: Sunny, Snowy, CO
Well, it is the same tranny for both, and 85% or whatever of sales were PSD. So, it is designed for the PSD. We are really talking scemantics here, doesn't matter, still meant for PSD.
I am just saying that is probably a reason the PSD puts more HP to the ground than the V10, or the V10 has not been able to hit peak rpms in the tests we have seen when loaded. It does not have the torque to hit the RPMs in the right range.
This is not bashing the v10 so it is okay to agree... haha
I am just saying that is probably a reason the PSD puts more HP to the ground than the V10, or the V10 has not been able to hit peak rpms in the tests we have seen when loaded. It does not have the torque to hit the RPMs in the right range.
This is not bashing the v10 so it is okay to agree... haha
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
Take a look on this page and be sure to read it carefully. Look at the highest and lowest points for TN and VA. We don't have 11,000 ft elevations around here, but we have plenty of climbs with elevation changes just as steep and long. I am only 200 feet above the average elevation for TN and can be at the highest in about an hour. Same for the average and high points for VA. Also, note that the high point for both TN and VA are well above 4,200 feet. I also do a lot of towing in NC, which has some pretty good climbs too if you want to check the numbers while you are on the site.
Elder User
Joined: Apr 2009
Posts: 685
Likes: 0
From: Spokane, WA
Highest, Lowest, and Mean Elevations in the United States — Infoplease.com
Take a look on this page and be sure to read it carefully. Look at the highest and lowest points for TN and VA. We don't have 11,000 ft elevations around here, but we have plenty of climbs with elevation changes just as steep and long. I am only 200 feet above the average elevation for TN and can be at the highest in about an hour. Same for the average and high points for VA. Also, note that the high point for both TN and VA are well above 4,200 feet. I also do a lot of towing in NC, which has some pretty good climbs too if you want to check the numbers while you are on the site.
Take a look on this page and be sure to read it carefully. Look at the highest and lowest points for TN and VA. We don't have 11,000 ft elevations around here, but we have plenty of climbs with elevation changes just as steep and long. I am only 200 feet above the average elevation for TN and can be at the highest in about an hour. Same for the average and high points for VA. Also, note that the high point for both TN and VA are well above 4,200 feet. I also do a lot of towing in NC, which has some pretty good climbs too if you want to check the numbers while you are on the site.
Just to let you know, most of the pulls I do, I cannot keep 60 mph, not because of the grade, but because of corners and other cars.
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
Again I didn't say the engine wasn't able to rev over 5k rpms. I said it was limited. Does anybody know what a rev limiter is? I proved clearly I was wrong in my assumption that all Fords where limited to 5k.
The 04 and 05s I know didn't have 6 speed trannies. The pcm limites their revs to 5k. If you want to rev higher higher you need a tuner to raise the limiter. If one would go into the f150 section and research there's a lot of info. 5yrs ago I complained a lot about haveing a 300 hp truck but couldn't use it cause the limiter would knock it off. Down to between 3800-4200. Yes you can accelarate to 5k but can't hold it there.
I'm waiting on my buddy to call and tell me what the rpm range is on his 07 SD v10.
The 04 and 05s I know didn't have 6 speed trannies. The pcm limites their revs to 5k. If you want to rev higher higher you need a tuner to raise the limiter. If one would go into the f150 section and research there's a lot of info. 5yrs ago I complained a lot about haveing a 300 hp truck but couldn't use it cause the limiter would knock it off. Down to between 3800-4200. Yes you can accelarate to 5k but can't hold it there.
I'm waiting on my buddy to call and tell me what the rpm range is on his 07 SD v10.
Just talked to kevin and his 07 is the same way he can redline manually shifting but gets knocked down in OD.
Postmaster
Joined: Apr 2008
Posts: 4,724
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From: Rogersville, TN
Okay, that was sarcasm. Now answer the question. The link I posted, number 9 and 10 are right in your neck of the woods, and neither fits your criteria. So what pull is 8% for 10 miles that is straight enough to pull 60 mph the entire way?
Just to let you know, most of the pulls I do, I cannot keep 60 mph, not because of the grade, but because of corners and other cars.
Just to let you know, most of the pulls I do, I cannot keep 60 mph, not because of the grade, but because of corners and other cars.
The two pulls that I pulled the most often, with verified grade signs on the road, was a 10% grade for ~3 miles near Dante, Virginia and an 8% grade between VA and WV on I-77 that was either 8 or 10 miles long. I haven't been up there in about a year, so I don't remember the exact length, but it was at least 8 and no more than 10 for sure. If you want to come ride them with me I would be more than happy to take you.
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Elder User
Joined: Apr 2009
Posts: 685
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From: Spokane, WA
The list you posted was the 10 hardest pulls. Hardest pull doesn't mean steepest or longest. 8% for 6 miles with a lot of switchbacks would be a harder pull than 8% for 10 miles on a straight road. Eisenhower pass is on there not because of how steep it is or how long it is, but a combination of that and how high it is. Put that same pull at an elevation 5,000 feet lower and it isn't hard at all.
The two pulls that I pulled the most often, with verified grade signs on the road, was a 10% grade for ~3 miles near Dante, Virginia and an 8% grade between VA and WV on I-77 that was either 8 or 10 miles long. I haven't been up there in about a year, so I don't remember the exact length, but it was at least 8 and no more than 10 for sure. If you want to come ride them with me I would be more than happy to take you.
The two pulls that I pulled the most often, with verified grade signs on the road, was a 10% grade for ~3 miles near Dante, Virginia and an 8% grade between VA and WV on I-77 that was either 8 or 10 miles long. I haven't been up there in about a year, so I don't remember the exact length, but it was at least 8 and no more than 10 for sure. If you want to come ride them with me I would be more than happy to take you.
And Interstates are not allowed to have a grade average over 6%. Some parts of them can be, but on average they are required to be 6% or less. You quote an interstate there. I am just sayin'. hahaha
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
I just think it is funny you were so matter of fact about your pull, then a few posts later, were bashing others because of exaggeration. When in fact, you exaggerated on that post.
And Interstates are not allowed to have a grade average over 6%. Some parts of them can be, but on average they are required to be 6% or less. You quote an interstate there. I am just sayin'. hahaha
And Interstates are not allowed to have a grade average over 6%. Some parts of them can be, but on average they are required to be 6% or less. You quote an interstate there. I am just sayin'. hahaha
There is a big difference in being off a mile or so on a pull that you haven't made in a year and someone saying "my psd grossed 16k and I out pulled a gasser that was pulling a 6k lb trailer." Those weights end up being the same, but are made to look like one truck is pulling 3 times as much as the other. Or someone comparing dealer prices vs do it yourself prices.
Posting Guru
Joined: Aug 2008
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From: Sunny, Snowy, CO
I have seen plenty of pulls on interstates with 8% grades. I-26 going through NC has several 8's (Bucker Gap, Sam's Gap and Fancy Gap to name a few) and so does I-77 going through VA and WV. If you want to meet me at my house and go take some pictures of them we can post them on here and see who is right.
There is a big difference in being off a mile or so on a pull that you haven't made in a year and someone saying "my psd grossed 16k and I out pulled a gasser that was pulling a 6k lb trailer." Those weights end up being the same, but are made to look like one truck is pulling 3 times as much as the other. Or someone comparing dealer prices vs do it yourself prices.
There is a big difference in being off a mile or so on a pull that you haven't made in a year and someone saying "my psd grossed 16k and I out pulled a gasser that was pulling a 6k lb trailer." Those weights end up being the same, but are made to look like one truck is pulling 3 times as much as the other. Or someone comparing dealer prices vs do it yourself prices.
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
He was saying his truck and trailer combined weighed 16k lbs. If his truck weighs 8,000 lbs then he was pulling an 8,000 lb trailer. That isn't too much more than the 6,000 lbs he estimated the 5.4 was pulling(assuming he estimated correctly). Saying 16k lbs for his weight just made it sound like he was pulling 3 times as big of a trailer instead of just saying what both trailer weights actually were.
He estimated the trailer weights, and people usually overestimate their weight and underestimate on their competition. He admitted he had no idea what kind of rpms the 5.4 was turning or if the guy was even trying to keep up with him(it's not a race if the other guy doesn't know about it). I would also require video proof since I am required to provide pictures and videos of everything I pull and where I pull them.
He estimated the trailer weights, and people usually overestimate their weight and underestimate on their competition. He admitted he had no idea what kind of rpms the 5.4 was turning or if the guy was even trying to keep up with him(it's not a race if the other guy doesn't know about it). I would also require video proof since I am required to provide pictures and videos of everything I pull and where I pull them.
Posting Guru
Joined: Aug 2008
Posts: 2,313
Likes: 0
From: Sunny, Snowy, CO
He was saying his truck and trailer combined weighed 16k lbs. If his truck weighs 8,000 lbs then he was pulling an 8,000 lb trailer. That isn't too much more than the 6,000 lbs he estimated the 5.4 was pulling(assuming he estimated correctly). Saying 16k lbs just made it sound like he was pulling 3 times as big of a trailer instead of just saying what both trailer weights actually were.
