[AT] Eco Diesel road trip

Tue Aug 15 08:32:49 PDT 2017

Ken,

One thought it is to have the outside of a Catalytic converter with the insides removed. if there is only a visual inspection that could be an option.

Dennis

Sent from my iPad

> On Aug 15, 2017, at 10:26 AM, Ken Knierim <ken.knierim at gmail.com> wrote:
> 
> My 97 Cummins is also kinda tough on my better half for long road trips
> (she prefers her quiet little Camry). I'm somewhat deaf but even so the cab
> drone gets annoying above about 65. The truck has been regeared and has a
> 4" exhaust, engine brake and at least different injectors as the PO used it
> for towing a 35' 5th wheel up some mountain grades here. It works good with
> my gooseneck. I just wish it had another gear or two.
> 
> Interestingly enough, the back, lower part of the cab has no sound
> absorption, and the box tended to resonate (to the point of metal fatigue;
> it's got several cracks) on the passenger side in front of the rear wheel.
> Some insulation and another strut from the frame knocked that down but I
> haven't gone after the back of the cab yet. Also, the re-addition of the
> catalytic converter (Arizona now checks for those. mine didn't have it when
> I got it but I got the honor of putting one back in there) seems to be a
> restriction that's causing EGT's to get out of hand on long tough grades.
> 
> The new trucks sound interesting, but I can't justify the cost for the
> small mileage I run.
> 
> Ken in AZ
> 
> On Mon, Aug 14, 2017 at 11:43 AM, Dennis Johnson <moscowengnr at outlook.com>
> wrote:
> 
>> Ken,
>> 
>> I have a 97 with Cummins 12V, but it needs some TLC to get it going -
>> think fuel pump to make it go and muffler to pass inspection and get new
>> tags. Also need front engine cover installed which means pulling apart fuel
>> pump gearing, pulling cam, etc. I need to figure out how to retime fuel
>> pump before I pull it apart.
>> It does not have the creature comforts where my wife would be happy going
>> that far.
>> 
>> Dennis
>> 
>> Sent from my iPad
>> 
>>> On Aug 14, 2017, at 1:14 PM, Ken Knierim <ken.knierim at gmail.com> wrote:
>>> 
>>> It sounds like a little higher stressed engine than my ole Cummins 12V,
>> but
>>> the mileage is decent. I would need more gears (3 speed automatic
>>> overdrive) to run at 70 efficiently or my cab droning would be fatiguing.
>>> 
>>> Good information! Thanks!
>>> 
>>> Ken in AZ
>>> 
>>>> On Mon, Aug 14, 2017 at 10:36 AM, Steve Offiler <soffiler at gmail.com>
>> wrote:
>>>> 
>>>> Dennis:  interesting data!  I must admit that I read it a couple times
>>>> before figuring it was an engine oil cooler added.  I'm simply more
>>>> accustomed to worrying over transmission oil temp pulling a trailer.
>>>> 
>>>> SO
>>>> 
>>>> Sent from my iPhone
>>>> 
>>>>> On Aug 14, 2017, at 11:19 AM, Dennis Johnson <moscowengnr at outlook.com>
>>>> wrote:
>>>>> 
>>>>> Just returned from a 10,000 mile road trip with the EcoDiesel, giving
>> it
>>>> a total of 162,000 miles on it.  Made 2 trips from Texas to Idaho
>> pulling a
>>>> 16 foot cargo trailer to move an elderly lady. On first trip did a mini
>>>> weekend vacation to Banff, Alberta, Canada for a weekend with wife and
>>>> without the trailer. Other than that had trailer connected almost the
>>>> entire time. Took a week break between the 2 journeys at home, and a few
>>>> days at Oklahoma cabin when near the area.
>>>>> I had installed a HD oil cooler kit before I left and I am glad I did.
>>>> Generally keep speed down to about 65 MPH keep oil from getting above
>> 230
>>>> and exhaust gas (turbo) temps below 1000 F. Decided to stop midway up
>> on 2
>>>> summits on I-70 near Vail and 1 other one top let the oil cool down as
>> it
>>>> was hitting 250F. Without the replacement cooler I would not have
>> averaged
>>>> 50 MPH with a loaded trailer trying to keep the oil temp down. The
>> cooler
>>>> also let engine coolant temperature run about 210 instead of 235/240. I
>>>> pulled another loaded trailer a few months ago and noticed oil temp
>>>> averaging 245 and water temp 230 which is when I decided to get the
>>>> replacement cooler. Mileage was about 12.5 loaded and 14.2 unloaded.
>> After
>>>> dropping of the trailer mileage back to 22 when keeping up with 80 MPH
>>>> traffic flow.
>>>>> Engine had enough power to go 70 but i did not want to push the exhaust
>>>> and oil temperatures, and boost pressure that much. Boost was running
>> under
>>>> 15 PSI except when pulling uphill. Peaked at 23 PSI on some grades, but
>> I
>>>> did not let it start there very long. Glad that I have the 3.92 gears
>> in it
>>>> for doing things like this.
>>>>> Saw a few tractors along the way that would have been nice to bring
>>>> home, but wrong trailer to do that.
>>>>> 
>>>>> Dennis
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