[AT] Eco Diesel road trip

Wed Aug 16 07:18:29 PDT 2017

EVEN THEN, you can cook your transmission fluid without realizing it.  BTDT, and fortunately changed out the transmission fluid soon enough to prevent damage.

Larry
---- charlie hill <charliehill at embarqmail.com> wrote: 
> Dennis,  if you are towing with the cruise control set you should be in tow 
> mode.
> Transmissions are expensive!  If your transmission oil is getting hot you 
> need to
> downshift or slow down.  A bigger oil cooler might help if that's possible 
> on your
> truck.
> 
> Charlie
> 
> -----Original Message----- 
> From: Dennis Johnson
> Sent: Tuesday, August 15, 2017 10:35 AM
> To: Antique tractor email discussion group
> Subject: Re: [AT] Eco Diesel road trip
> 
> Cecil,
> 
> Truck has the standard Dodge 20" tires, not sure exact size without looking 
> and I am not near my pickup now. Computer says 275/60R20
> In 8th gear, engine runs about 1750 RPM. When loaded and uphill it 
> frequently goes to 7th gear. It will drop to 6th or even 5th when pulling a 
> hill with cruise on. Think RPM is about 2250 when in 6th.
> The 8 speed transmission is really what makes this pickup function well.
> There is a tow mode that I have used some that keeps in in lower gears a 
> little longer. I used it when I towed my 20' flatbed trailer with the 49 MM 
> UTS tractor, or I pull my IHC 2504 loader tractor.
> 
> Someone mentioned transmission temperature. Mine was running about 180 to 
> 190 as I recall, so I did not pay that much attention to it sense it was 
> staying down.
> 
> Thanks
> Dennis
> 
> 
> Sent from my iPad
> 
> > On Aug 15, 2017, at 8:05 AM, Cecil Bearden <crbearden at copper.net> wrote:
> >
> > Dennis:
> > What RPM does the engine run at 60 or 65?  What size tires?  I used to
> > gear my old Chevrolets with 4.10 gears behind a 350 engine and a 700R4
> > Transmission since it had an overdrive.  With the old 350 trans I had to
> > be satisfied with a top speed of 65 with the 4.10 or either lugging or
> > over-revving the engine on a hill with a trailer with the 3.73.   When I
> > went to 3/4 tons and 16 in tires, it the 4.10 was about right.
> >
> > I have 2- 1995 Ford 1tons, one with a 3.73 and the other with 4.10
> > gears.   Both have A4OD transmissions and 7.3 diesels.  The one with the
> > 4.10 ratio pulls the best of course, but it really is wound up at 75mph
> > on the turnpike and will only get about 10mpg The 3.73 gets the best
> > mileage (about 15 w/trailer and 20 without).  However, once I was
> > pulling a 40 ft trailer loaded with 25 round bales (4x5) and had to stop
> > at an intersection on a hill, I thought I never would get moving.
> >
> > Now that I  have the C8500 with  the 3126 Cat and Allison, I just have
> > to worry about hitting my head on the cab on these improved cow trails
> > that Oklahoma calls a road!
> >
> > Cecil
> >
> >
> >> On 8/14/2017 10:19 AM, Dennis Johnson 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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