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Open Roads Forum  >  Tow Vehicles

 > 6.7L Cummins VS 6.7L Cummins HO

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Showme 5vr

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Posted: 10/20/22 07:37pm Link  |  Quote  |  Print  |  Notify Moderator

For those of you that have towed with both the High Output Cummins and the regular Cummins was the HO worth the extra $2800?


Steve & Judy 2023 RAM 3500 6.7L Cummins HO Crew Cab LWB, 2017 Grand Design Reflections 337RLS
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Me Again

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Posted: 10/20/22 08:24pm Link  |  Quote  |  Print  |  Notify Moderator

Showme 5vr wrote:

For those of you that have towed with both the High Output Cummins and the regular Cummins was the HO worth the extra $2800?


Yes, as a bonus you get the Aisin HD transmission.


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4x4ord

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Posted: 10/21/22 02:27am Link  |  Quote  |  Print  |  Notify Moderator

The HO engine has a little lower compression ratio, so, the regular output will be a little better on fuel when not towing. How often will you be towing and how much weight?


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southernsky

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Posted: 10/21/22 02:44am Link  |  Quote  |  Print  |  Notify Moderator

Yes but watch out for the exploding fuel pump


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bucky

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Posted: 10/21/22 04:22am Link  |  Quote  |  Print  |  Notify Moderator

That depends on the year model and whether or not a CP4 injection pump is involved.


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rhagfo

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Posted: 10/21/22 06:36am Link  |  Quote  |  Print  |  Notify Moderator

southernsky wrote:

Yes but watch out for the exploding fuel pump

bucky wrote:

That depends on the year model and whether or not a CP4 injection pump is involved.


Well Ram decided to go back to the CP3, and issued a recall on all 2019 and 2020 Rams with the CP4 to replace with the CP3.


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fj12ryder

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Posted: 10/21/22 07:31am Link  |  Quote  |  Print  |  Notify Moderator

All you have to do is hope yours gets fixed before it fails. [emoticon] That was one of the reasons I didn't look at anything newer than a 2018 when I bought.


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IdaD

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Posted: 10/21/22 08:06am Link  |  Quote  |  Print  |  Notify Moderator

I would say the HO engine point is moot but the transmission may be worth the upgrade.


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fj12ryder

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Posted: 10/21/22 12:20pm Link  |  Quote  |  Print  |  Notify Moderator

IdaD wrote:

I would say the HO engine point is moot but the transmission may be worth the upgrade.
Yep, kind of the way I feel about it.

C Schomer

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Posted: 10/21/22 05:37pm Link  |  Quote  |  Print  |  Notify Moderator

The Aisin might be better but I regularly tow 15 K in the mountains with my 68 RFE and I give it hail! I fear nothing about this transmission!

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