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Open Roads Forum  >  Tow Vehicles

 > New Ram/Cummins vs GM/Duramax on the IKE

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FishOnOne

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Posted: 07/03/19 09:06am Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

Watched the vid again. RAM was 1 second slower not 2 as mentioned, no biggie just stating facts. The guesstimated distance of 2" behind center of rear axle, I am betting it's more.


Even if it was 2 seconds slower it would be within the margin of error. To get a real data set you would need a minimum of 30 runs to have a significant data set to see the real performance.


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ShinerBock

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Posted: 07/03/19 09:41am Link  |  Quote  |  Print  |  Notify Moderator

FishOnOne wrote:

Cummins12V98 wrote:

Watched the vid again. RAM was 1 second slower not 2 as mentioned, no biggie just stating facts. The guesstimated distance of 2" behind center of rear axle, I am betting it's more.


Even if it was 2 seconds slower it would be within the margin of error. To get a real data set you would need a minimum of 30 runs to have a significant data set to see the real performance.


I agree. Heck, I think that even 15 seconds would be within a margin of error given how long the run is and dealing with traffic that may or may not cause you to slow down. Even letting off the accelerator for just a few seconds to adjust for traffic could cause you to loose a lot of momentum and time pulling that much weight up those grades.

Turtle n Peeps

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Posted: 07/03/19 10:58am Link  |  Quote  |  Print  |  Notify Moderator

A sun dial would be within the margin of error with those guys. I'm on vacation so that's all I'm going to say. [emoticon]


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larry barnhart

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Posted: 07/03/19 12:49pm Link  |  Quote  |  Print  |  Notify Moderator

so I guess this video was like some of the news fake???? Looked real to me.

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FishOnOne

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Posted: 07/03/19 01:19pm Link  |  Quote  |  Print  |  Notify Moderator

larry barnhart wrote:

so I guess this video was like some of the news fake???? Looked real to me.

chevman


They call it real world testing so they can't be held liable for the results they report

Hannibal

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Posted: 07/03/19 04:20pm Link  |  Quote  |  Print  |  Notify Moderator

Either truck would tow our TT every bit as easily as my 5.4L F250 does. But if I were willing to spend close to $100k for a pickup truck to have 600 ft/lbs more torque than I need, I’d opt for the Chevy. I’ve already owned four Cummins powered Rams. Chrysler is trying desperately to hold onto a look that’s almost 30 years old. And judging by the number of vibration dampeners decorating the underside, they still haven’t perfected my biggest complaint about the Ram.


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RoyJ

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Posted: 07/04/19 02:15am Link  |  Quote  |  Print  |  Notify Moderator

RCMAN46 wrote:

Dynos:

Factory Rating/Dyno Measurement

Ram:
HP 385/338
TQ 900/828

Ford:
HP 440/387
TQ 925/806

Chevy:
HP 445/337
TQ 910/771


interesting when the same trucks were tested at the IKE run.


[image]


The D-Max has to be de-tuning itself on the dyno, no way it could perform like that while down 50hp from the Ford.

The Cummins is the over-achiever. I'd like see the actual dyno curve, perhaps the Cummins has a broader / fatter power band, resulting in more power under the curve.

The peak numbers only tell part of the story - when at less than peak power rpm, the Cummins may be producing more power than the other two.

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