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03-13-2013, 11:28 AM
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#21
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by ependydad
Cruise control liberally is the only way that I hold my speed down!  |
I have other methods............
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03-13-2013, 11:36 AM
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#22
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Phat Phrog Stunt Team
Join Date: Apr 2012
Location: Tipp City, OH
Posts: 7,154
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Quote:
Originally Posted by f1100turbo
I have other methods............
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Yeah, it's your wife telling you to slow her truck down!! 
Tim who?
__________________
2016 Georgetown 364TS
2017 Jeep Rubicon Recon toad
Nights Camped 2019 - 17
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03-13-2013, 11:48 AM
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#23
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Phat Phrog Stunt Team
Join Date: Apr 2011
Location: South West PA
Posts: 3,012
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Quote:
Originally Posted by ttrost65
Yeah, it's your wife telling you to slow her truck down!!
Tim who? |
And??? Sorry officerI didn't know I was going that fast
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03-13-2013, 11:53 AM
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#24
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Quote:
Originally Posted by f1100turbo
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Do you ever hand-calculate your MPG?
I've found that my Dodge is a little... how do you say... "over zealous"?
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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03-13-2013, 11:59 AM
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#25
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by ependydad
Do you ever hand-calculate your MPG?
I've found that my Dodge is a little... how do you say... "over zealous"?
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Ive done it twice and it was surprisingly within a half mile per gallon off both times .
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03-13-2013, 12:12 PM
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#26
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Camper Less Camping
Join Date: Apr 2012
Location: NW
Posts: 3,642
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Quote:
Originally Posted by KyDan
So what do you get WITH a tuner??
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Primarily bought tuner for better drive ability when unloaded and more torque/turbo braking when towing.
I just installed pro tuner earlier this year, have not towed our 5'ver yet to give you those numbers but I have gained 2mpg on the highway numbers...probably get a little better as my truck learns the tuning 
I have the LLY with 5 speed, 6 speed will gain better numbers.
__________________
2013 Sabre 32RCTS-6 (sold)
Family of 4 whose always on the GEAUX!
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03-13-2013, 12:13 PM
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#27
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Quote:
Originally Posted by f1100turbo
Ive done it twice and it was surprisingly within a half mile per gallon off both times .
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Wow. I'm usually off by 2-3 mpg when I check mine against my "hand" calcs (I lie - I use an app for that ).
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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03-13-2013, 12:26 PM
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#28
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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last time I filled up the dic said 22.3 gallons used and I filled to 23 gallons .
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03-13-2013, 12:31 PM
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#29
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Quote:
Originally Posted by f1100turbo
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Turbs! I can make mine read 99.0 MPG while towing!
Just wait till you are going downhill at idle and hit "reset."
Having said that the Duramax routinely gets over 22 mpg on the highway with just me and my thoughts in it.
I am sure you were not towing when you got that mileage; right.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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03-13-2013, 12:36 PM
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#30
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Senior Member
Join Date: Dec 2012
Location: Michigan
Posts: 1,440
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Quote:
Originally Posted by herk7769
Turbs! I can make mine read 99.0 MPG while towing!
Just wait till you are going downhill at idle and hit "reset."
Having said that the Duramax routinely gets over 22 mpg on the highway with just me and my thoughts in it.
I am sure you were not towing when you got that mileage; right.
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on my way to florida last year I averaged 25 from cinn ohio to louisville ky but on the way back was a diff story
__________________
2012 Wildcat 344QB
06 LBZ ,CC 4x
lots of mods
Superglide
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03-13-2013, 12:40 PM
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#31
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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thats my normal trip home mpg. itll hold that for several days till the dpf kicks in
on my new toy that read exhaust temp I seen exhaust temps rise to over 1200 degrees
And yes I should have coasted down a hill right after fill up and ran her up to 99.9 mpg !
Thanks Lou for busting me !!!!!!!!!!!
thats true mpg after 80 miles and like you .... Me and my thoughts .
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03-13-2013, 12:47 PM
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#32
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Site Team
Join Date: Mar 2008
Location: Louisville, KY
Posts: 10,525
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Quote:
Originally Posted by ependydad
Do you ever hand-calculate your MPG?
I've found that my Dodge is a little... how do you say... "over zealous"?
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That too. I know my wife's Maxima nearly always shows higher MPG on the
digital display than
we get when we use a calculator and gas station receipts.
__________________
Peace!
Dan & Rita D
2017 Nissan Titan 5.6L King cab 4wd
2016 Evergreen Everlite 242RBS
29' empty nest model. Blue Ox WD hitch
(1 queen bed, large main cabin and huge bathroom)
Camping days 2010-53, 2011-47, 2012-41, 2013-41, 2014-31, 2015-40, 2016-44, 2017-63, 2018-75, 2019-32, 2020-41, 2021-49, 2022-43, 2023-66
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03-13-2013, 12:50 PM
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#33
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by KyDan
That too. I know my wife's Maxima nearly always shows higher MPG on the
digital display than
we get when we use a calculator and gas station receipts.
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Is that a 4dsc nissan maxima ?
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03-13-2013, 01:01 PM
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#34
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Senior Member
Join Date: Dec 2012
Location: Michigan
Posts: 1,440
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Quote:
Originally Posted by f1100turbo
on my new toy that read exhaust temp I seen exhaust temps rise to over 1200 degrees
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OBD2 reading??
if you do not have a pyro in the manifold your exh temp is a lot lower unless you are on it, what you are reading is the DPF temp since it has a pyro 3 feet from the turbo. you cant rely on that reading during towing
__________________
2012 Wildcat 344QB
06 LBZ ,CC 4x
lots of mods
Superglide
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03-13-2013, 01:04 PM
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#35
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Senior Member
Join Date: Jun 2011
Location: Rio Grande Valley Texas
Posts: 362
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I wouldn't trust the DIC. Especially if you've upgraded tires.
__________________
__________________________________
Ruben Zamora
2007 Silverado 2500HD 4x4 Dmax/Allison, 4" Exhaust-no cat-no muffler
2012 Palomino Puma 23FB
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03-13-2013, 01:13 PM
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#36
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by jevanb
OBD2 reading??
if you do not have a pyro in the manifold your exh temp is a lot lower unless you are on it, what you are reading is the DPF temp since it has a pyro 3 feet from the turbo. you cant rely on that reading during towing
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yes This was actual Exhaust temps before and after dpf .
I was throwing that number out because I had heard it got quite hot and never really knew the dpf temps .
Yes obd reading pdi's.
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03-13-2013, 01:19 PM
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#37
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Site Team
Join Date: Mar 2008
Location: Louisville, KY
Posts: 10,525
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Quote:
Originally Posted by f1100turbo
Is that a 4dsc nissan maxima ?
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Donno what a 4dsc is....
She's got an 03 with the big V6. Runs great, she loves it. I was just
saying the display is a little "overly optimistic".
Some of those diesel MPGs mentioned earlier might be as well.
I know the factory isn't going to knowingly put in an error that makes
them look BAD!! If there is any error it's gonna be on the plus side.
It doesn't matter to me. 99.9% of my truck driving is with a trailer on
the back. I know some guys have to drive their trucks on a daily basis.
Unloaded MPG is important to them.
I am only concerned with loaded MPG and the reports here don't sound very
hopeful for me to get much improvement. 
__________________
Peace!
Dan & Rita D
2017 Nissan Titan 5.6L King cab 4wd
2016 Evergreen Everlite 242RBS
29' empty nest model. Blue Ox WD hitch
(1 queen bed, large main cabin and huge bathroom)
Camping days 2010-53, 2011-47, 2012-41, 2013-41, 2014-31, 2015-40, 2016-44, 2017-63, 2018-75, 2019-32, 2020-41, 2021-49, 2022-43, 2023-66
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03-13-2013, 01:30 PM
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#38
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Senior Member
Join Date: Dec 2012
Location: Michigan
Posts: 1,440
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Quote:
Originally Posted by KyDan
I am only concerned with loaded MPG and the reports here don't sound very
hopeful for me to get much improvement. |
what is the figure you are looking for?? speed ,tire size and pressure , to get the best MPG stay with stock and max tire pressure, stay off the skinny pedal and let the cruise do all the pedal inputs, when you hook a 13k high profile 5er and get 12.5mpg I think that is really good, but I also have this engine because the gas did not do it for me
__________________
2012 Wildcat 344QB
06 LBZ ,CC 4x
lots of mods
Superglide
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03-13-2013, 01:34 PM
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#39
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by KyDan
Donno what a 4dsc is....
She's got an 03 with the big V6. Runs great, she loves it. I was just
saying the display is a little "overly optimistic".
Some of those diesel MPGs mentioned earlier might be as well.
I know the factory isn't going to knowingly put in an error that makes
them look BAD!! If there is any error it's gonna be on the plus side.
It doesn't matter to me. 99.9% of my truck driving is with a trailer on
the back. I know some guys have to drive their trucks on a daily basis.
Unloaded MPG is important to them.
I am only concerned with loaded MPG and the reports here don't sound very
hopeful for me to get much improvement. |
Nissan maxima 4 door sports car ....
My dw has one . Just curious.
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03-13-2013, 01:37 PM
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#40
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Senior Member
Join Date: Jun 2011
Location: Rio Grande Valley Texas
Posts: 362
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Quote:
Originally Posted by jevanb
what is the figure you are looking for?? speed ,tire size and pressure , to get the best MPG stay with stock and max tire pressure, stay off the skinny pedal and let the cruise do all the pedal inputs, when you hook a 13k high profile 5er and get 12.5mpg I think that is really good, but I also have this engine because the gas did not do it for me
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Exactly, you put that weight on a Big Block Gasser and I guarantee your MPGS will be less than 9mpg. When Chevy had the 8.1l and 454's they were getting like 7mpgs.
__________________
__________________________________
Ruben Zamora
2007 Silverado 2500HD 4x4 Dmax/Allison, 4" Exhaust-no cat-no muffler
2012 Palomino Puma 23FB
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