The TFL guys just posted their raw and unedited version of all 3 trucks doing their IKE runs.VIDEOFord seems to run higher temps for engine, oil, and trans. It also sounded like the cooling fan either ran a lot more, or is just louder by design compared to the other two.It certainly performs well though.

I wonder why the Ford cooling fan was used so much? The powerstroke was putting out about 15% more power than the other engines but I don't think that would be enough to require that much more cooling. The other possibility is that the cooling fan was needed to keep the intercooler running efficiently?What was happening with the Ram transmission? I think the torque converter must have been unlocking and locking?

4x4ord wrote:I wonder why the Ford cooling fan was used so much? The powerstroke was putting out about 15% more power than the other engines but I don't think that would be enough to require that much more cooling. The other possibility is that the cooling fan was needed to keep the intercooler running efficiently?What was happening with the Ram transmission? I think the torque converter must have been unlocking and locking?For the cooling fan part, it's just basic math in a diesel engine. The more fuel you put at it, the hotter it is. The Duramax went from 235/500 in 01 to 445/910 now (for comparison, the new 3.0 is 277/460). It's the engine has changed over the years, they've added emissions, and beefed up the tranny. But the biggest difference is the amount of cooling they added to the engine. Look at the cooling stack now compared to prior years. All Ford really did was add fuel and then cooling.That's the main reason I wanted to see the whole video of them pulling and see the DB readings (which they didn't take). Yes pulling 30k, the Ford did better, but it was much louder doing so. For most of us pulling under 20k, I would imagine both can go the speed limit the entire pass. My 08 Duramax pulling 15k would pull every mountain pass at the speed limit other than when it was 95 degrees out.

2001400ex wrote:4x4ord wrote:I wonder why the Ford cooling fan was used so much? The powerstroke was putting out about 15% more power than the other engines but I don't think that would be enough to require that much more cooling. The other possibility is that the cooling fan was needed to keep the intercooler running efficiently?What was happening with the Ram transmission? I think the torque converter must have been unlocking and locking?For the cooling fan part, it's just basic math in a diesel engine. The more fuel you put at it, the hotter it is. The Duramax went from 235/500 in 01 to 445/910 now (for comparison, the new 3.0 is 277/460). It's the engine has changed over the years, they've added emissions, and beefed up the tranny. But the biggest difference is the amount of cooling they added to the engine. Look at the cooling stack now compared to prior years. All Ford really did was add fuel and then cooling.That's the main reason I wanted to see the whole video of them pulling and see the DB readings (which they didn't take). Yes pulling 30k, the Ford did better, but it was much louder doing so. For most of us pulling under 20k, I would imagine both can go the speed limit the entire pass. My 08 Duramax pulling 15k would pull every mountain pass at the speed limit other than when it was 95 degrees out.I realize that the more fuel these trucks are burning the more cooling is required. The thing that seems a little puzzling to me is that if the cooling fan was actually needed to cool the engine at 22* F the Ford's cooling system is no where near what it needs to be. Like you said it needs to keep the engine cool at 95*. The Ford was not running at maximum power it was only running 2000 to 2500 rpm. My 2017 Powerstroke running at 2800 rpm will put out very close to the kind of power the 2020 was doing on this test. I have had my pedal to the floor on long steep grades in the middle of summer and I have never noticed the cooling system as being a limiting factor.

I wonder if the Ford (or any for that matter) would de-fuel if outside temps were hotter and therefore post a longer time.

2020 IKE raw and unedited | Good Sam Community

4x4ord
Explorer III
Feb 23, 2020
I wonder why the Ford cooling fan was used so much? The powerstroke was putting out about 15% more power than the other engines but I don't think that would be enough to require that much more cooling. The other possibility is that the cooling fan was needed to keep the intercooler running efficiently?

What was happening with the Ram transmission? I think the torque converter must have been unlocking and locking?
Lwiddis
Explorer II
Feb 23, 2020
Interesting. TY for posting.
2001400ex
Explorer
Feb 23, 2020
4x4ord wrote:
I wonder why the Ford cooling fan was used so much? The powerstroke was putting out about 15% more power than the other engines but I don't think that would be enough to require that much more cooling. The other possibility is that the cooling fan was needed to keep the intercooler running efficiently?

What was happening with the Ram transmission? I think the torque converter must have been unlocking and locking?

For the cooling fan part, it's just basic math in a diesel engine. The more fuel you put at it, the hotter it is. The Duramax went from 235/500 in 01 to 445/910 now (for comparison, the new 3.0 is 277/460). It's the engine has changed over the years, they've added emissions, and beefed up the tranny. But the biggest difference is the amount of cooling they added to the engine. Look at the cooling stack now compared to prior years. All Ford really did was add fuel and then cooling.

That's the main reason I wanted to see the whole video of them pulling and see the DB readings (which they didn't take). Yes pulling 30k, the Ford did better, but it was much louder doing so. For most of us pulling under 20k, I would imagine both can go the speed limit the entire pass. My 08 Duramax pulling 15k would pull every mountain pass at the speed limit other than when it was 95 degrees out.
4x4ord
Explorer III
Feb 23, 2020
2001400ex wrote:
4x4ord wrote:
I wonder why the Ford cooling fan was used so much? The powerstroke was putting out about 15% more power than the other engines but I don't think that would be enough to require that much more cooling. The other possibility is that the cooling fan was needed to keep the intercooler running efficiently?

What was happening with the Ram transmission? I think the torque converter must have been unlocking and locking?

For the cooling fan part, it's just basic math in a diesel engine. The more fuel you put at it, the hotter it is. The Duramax went from 235/500 in 01 to 445/910 now (for comparison, the new 3.0 is 277/460). It's the engine has changed over the years, they've added emissions, and beefed up the tranny. But the biggest difference is the amount of cooling they added to the engine. Look at the cooling stack now compared to prior years. All Ford really did was add fuel and then cooling.

That's the main reason I wanted to see the whole video of them pulling and see the DB readings (which they didn't take). Yes pulling 30k, the Ford did better, but it was much louder doing so. For most of us pulling under 20k, I would imagine both can go the speed limit the entire pass. My 08 Duramax pulling 15k would pull every mountain pass at the speed limit other than when it was 95 degrees out.

I realize that the more fuel these trucks are burning the more cooling is required. The thing that seems a little puzzling to me is that if the cooling fan was actually needed to cool the engine at 22* F the Ford's cooling system is no where near what it needs to be. Like you said it needs to keep the engine cool at 95*. The Ford was not running at maximum power it was only running 2000 to 2500 rpm. My 2017 Powerstroke running at 2800 rpm will put out very close to the kind of power the 2020 was doing on this test. I have had my pedal to the floor on long steep grades in the middle of summer and I have never noticed the cooling system as being a limiting factor.
ib516
Explorer II
Feb 23, 2020
I wonder if the Ford (or any for that matter) would de-fuel if outside temps were hotter and therefore post a longer time.
2001400ex
Explorer
Feb 23, 2020
ib516 wrote:
I wonder if the Ford (or any for that matter) would de-fuel if outside temps were hotter and therefore post a longer time.

Yeah that's the question we've all been wondering. I know my 08 ran much hotter when it was hot out. I had to back off (EFI live so there was no limits).
Huntindog
Explorer
Feb 23, 2020
ib516 wrote:
I wonder if the Ford (or any for that matter) would de-fuel if outside temps were hotter and therefore post a longer time.

We have a winner!!!
IIRCC, that run was in 20 degrees. If it was running hot enough to need the fan then, it WILL most likely have to defuel at 80.... At 100 even more so.

The GM ran cold. They even talked about how low the trans temp was.
My 2011 runs cool for me in AZ, and the 2020s have upped the cooling system quite a bit.
ShinerBock
Explorer
Feb 23, 2020
4x4ord wrote:
2001400ex wrote:
4x4ord wrote:
I wonder why the Ford cooling fan was used so much? The powerstroke was putting out about 15% more power than the other engines but I don't think that would be enough to require that much more cooling. The other possibility is that the cooling fan was needed to keep the intercooler running efficiently?

What was happening with the Ram transmission? I think the torque converter must have been unlocking and locking?

For the cooling fan part, it's just basic math in a diesel engine. The more fuel you put at it, the hotter it is. The Duramax went from 235/500 in 01 to 445/910 now (for comparison, the new 3.0 is 277/460). It's the engine has changed over the years, they've added emissions, and beefed up the tranny. But the biggest difference is the amount of cooling they added to the engine. Look at the cooling stack now compared to prior years. All Ford really did was add fuel and then cooling.

That's the main reason I wanted to see the whole video of them pulling and see the DB readings (which they didn't take). Yes pulling 30k, the Ford did better, but it was much louder doing so. For most of us pulling under 20k, I would imagine both can go the speed limit the entire pass. My 08 Duramax pulling 15k would pull every mountain pass at the speed limit other than when it was 95 degrees out.

I realize that the more fuel these trucks are burning the more cooling is required. The thing that seems a little puzzling to me is that if the cooling fan was actually needed to cool the engine at 22* F the Ford's cooling system is no where near what it needs to be. Like you said it needs to keep the engine cool at 95*. The Ford was not running at maximum power it was only running 2000 to 2500 rpm. My 2017 Powerstroke running at 2800 rpm will put out very close to the kind of power the 2020 was doing on this test. I have had my pedal to the floor on long steep grades in the middle of summer and I have never noticed the cooling system as being a limiting factor.

This is why I believe that the ike would have a totally different outcome at 80F.
BenK
Explorer
Feb 23, 2020
It would make a big difference if they could monitor whether or not (lower levels) it was in full power mode
4x4ord
Explorer III
Feb 23, 2020
ShinerBock wrote:
4x4ord wrote:
2001400ex wrote:
4x4ord wrote:
I wonder why the Ford cooling fan was used so much? The powerstroke was putting out about 15% more power than the other engines but I don't think that would be enough to require that much more cooling. The other possibility is that the cooling fan was needed to keep the intercooler running efficiently?

What was happening with the Ram transmission? I think the torque converter must have been unlocking and locking?

For the cooling fan part, it's just basic math in a diesel engine. The more fuel you put at it, the hotter it is. The Duramax went from 235/500 in 01 to 445/910 now (for comparison, the new 3.0 is 277/460). It's the engine has changed over the years, they've added emissions, and beefed up the tranny. But the biggest difference is the amount of cooling they added to the engine. Look at the cooling stack now compared to prior years. All Ford really did was add fuel and then cooling.

That's the main reason I wanted to see the whole video of them pulling and see the DB readings (which they didn't take). Yes pulling 30k, the Ford did better, but it was much louder doing so. For most of us pulling under 20k, I would imagine both can go the speed limit the entire pass. My 08 Duramax pulling 15k would pull every mountain pass at the speed limit other than when it was 95 degrees out.

I realize that the more fuel these trucks are burning the more cooling is required. The thing that seems a little puzzling to me is that if the cooling fan was actually needed to cool the engine at 22* F the Ford's cooling system is no where near what it needs to be. Like you said it needs to keep the engine cool at 95*. The Ford was not running at maximum power it was only running 2000 to 2500 rpm. My 2017 Powerstroke running at 2800 rpm will put out very close to the kind of power the 2020 was doing on this test. I have had my pedal to the floor on long steep grades in the middle of summer and I have never noticed the cooling system as being a limiting factor.

This is why I believe that the ike would have a totally different outcome at 80F.

I take it you think the winning truck would be the one with the greatest cooling capacity. That could very well be. More than likely all the engineers, regardless of manufacturer, are using the same formulas to determine how much cooling they need per hp they are designing for. I'm sure Ford hasn't designed the Super Duty to only put out peak HP at sub freezing temperatures.