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V6 Dakotas
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J and J Auto
GenII
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8/29/2007
00:38:56

Subject: Broke 25mpg
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I was running shell 89 and getting 22 to 24mpg
one day I put 10 gals of mobil 89 in and got
24.76mpg

back to shell 23 24mpg so I ran my tank down below
1/4 filled with mobil 89 just to see and I got
25.47mpg

was it the gas it would seam so but why

I have only gottin above 25mpg once before 25.8
from milwaukee to my home very hot day

I have been getting 23 24 all summer until I used
the mobile gas

my last 3 checks have all been just above 24mpg
and 90% high way I hit 25.47

I have a few customers that have hit 27mpg

122,000 on motor and truck 95 4x4 all the mods
port match intake devider removed stock runners
cleand and polished heads

jet 2 chip
halo plugs
all mods and boltons

maybe its finaly broke in LOL

If these trucks are tuned right the mileage is
there 90% of my customers with the V6's are all
getting over 20mpg the other 10% will never get
there because of there heavy foots

My nephew just got a 06 with the 4.7 we put a
K&N and a flowmaster duel system and he got 21mpg
was getting 19mpg a 2mpg gain from just cold air
and less restrictive exhaust this is a 4 door
crew cab 4x4

I have been seeing the 3.7's with just cold air
and exhaust are getting around 22mpg we set 1 up
with the modded hughes engines throttle body and
he was hitting 24mpg

However these trucks were also intensly checked
every sensor working right if not it was replaced

The new 3.7 is not a bad little motor

The only thing on the newer trucks was the torque
managment sucks below 3000rpm there dogs the 4.7
is the worst that and the trans shifts out way to
fast unless you really get on it

But there is a box out now for the new 5 speed
with a laptop you can set the trans up anyway
you like it $500 and it plugs right in to factory
plugs

The Dakota is still a great truck

This from a dye hard mopar guy who was very pissed
when they discontinued the 3.9 now after working
with the new motors I am gaining respect for them

Larry
J&J Auto

Bob Lincoln
Dodge Dakota
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8/29/2007
08:25:24

RE: Broke 25mpg
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Hey, Larry, I took my 92 Dak CC 4WD with cap to the Carlisle show this year, as my Daytona was down for repairs. Half of the 430-mile trip the speed limit was 65, half was 55 mph. I ran 3 tankfuls for the round trip and got 22.3, 21.1 (around town at the show) and 25.1 mpg on the return ride (I took a more level route).

This truck is ALL stock and averages 20.2 mpg over the last 45K miles that I have owned it. It now has 169K miles. So apparently you can get nearly the same fuel economy WITHOUT all these mods.



GB2000
GenIII
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8/29/2007
17:58:02

RE: Broke 25mpg
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My truck stock (and nearly stock) never got above 20mpg all highway and rarely would pull 16mpg mixed driving when I drove it without a lead foot.

After changing plugs, wires, o2 sensors, thermostat, diff. fluid, cap, rotor, superchips tuner, etc. (btw...I had done a complete tune-up bout 20-30k miles earlier, and never saw any significant mileage gains out of it)...I noticed major improvements. I can't say what stuff was the most effective in increasing those mods...and quite frankly I didn't care...just as long as my mileage went up. I'm pretty impressed with my lil V6 now. For a truck, it does pretty good in my opinion.

I recently averaged over 23mpg highway driving approx 62mph on the highways and 78 mph on the interstate...yes, I speed a lil, no need to lecture me on it. City driving is consistently 17-19mpg even when i decide to romp on it on occasion.

Anyway...the way I see it is, you may not NEED those mods to get that kinda mileage, but if those mods tend to help mileage...or even if they keep it the same, why not do em? Can't complain about having more power/torque, right?





Mike Stager
Dodge Dakota
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8/29/2007
21:21:32

RE: Broke 25mpg
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I've noticed that I get better mileage running 89 octane vs 87 with my Dakota ( 97 no mods, haven't tuned it up since I bought it a year and a half ago -166k on it )

I get 16-17 on 87, 17-19 with the 89.



Dan M
Dodge Dakota
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8/30/2007
01:22:43

RE: Broke 25mpg
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Larry - sometime I'd like to talk to you about my 02 QC 4.7L V8 4x4.

I have a mostly stock truck. I have the halo plugs (going to pull them this weekend and check color) and a k&N drop in filter - hey it was 25% off at advance a month ago. I also have a tool box with tools and leer fiber glass shell. I average 16.5-17mpg. this is up .5-1mpg since switching away from mobile 1 to supertech oil (wal-mart brand). And I'm rolling on michelin ltx ms 265/75/16 tires.

I have 82k miles, i removed the factory denso o2 sensors and replaced with the ntk.

I recently had a tranny flush done and changed diff fluid. It seems to have gained me a little in the mpg category. I won't know until i run a couple tanks of fuel though.

I think i can get to 20mpg combined easy enough. I don't do many long highway trips anymore. But i do alot of long trips on north ga mountain roads.

i think i have a sensor gone wrong. My truck idles high (1500-2000 spikes rpm spikes) when cold in park. If it's cold and i shift to drive or reverse, the idle is lower.

- Dan M



?
Dodge Dakota
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8/30/2007
10:46:07

RE: Broke 25mpg
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Shell gas ain't what it used to be.
To top it all off there was atime when an additive they were using actually damaged the
fuel tank level sender 'sensor' . Chrysler gave them sh...t and got it fixed.
Exxon or Mobil is better all the way thru.



Shoe
GenIII
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8/30/2007
13:36:32

RE: Broke 25mpg
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All we have around here is Shell. If we had something different I would try it.

Finally... a V8. '01 Dodge Dakota RC, 4.7, 5-speed, 3.92 LSD. = R/T Killer.
well at least a stock one

dakota49
Dodge Dakota
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8/31/2007
22:54:02

RE: Broke 25mpg
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I live in Northwest Arkansas, and the only thing we can get around here is gas that has been refined by Texaco, it comes to a big tank yard and is stored there until it gets sent to the stations. Everyone has different prices, but the gas is mostly the same. I have tried Wal-Mart, Shell, and easy mart, all the same gas mileage, I use 89 and get 20-22 miles unless it gets real cold, in that case I let it warm up before I drive it.
We also have a 70 MPH speed limit on our major highways, and I am only 33 miles from Oklahoma on the Ok turnpike the speed limit is 75. I'm amazed because even with a 75 MPH speed limit the Ok. Highway patrol is always busy stopping people for speeding. Even with the gas price of gas as high as it is. Go figure.
Dakota49
88 3.9 4X4 5speed



J and J Auto
GenII
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9/02/2007
01:28:25

RE: Broke 25mpg
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Every truck is a little differant

The 25.8 I spoke of was back in 1997 perfictly
stock truck at the time around 30,000 at the time

Heres the thing thow it never even came close to
that ever again 17 to 19mpg was my stock milage
all the time reg mid or prem gas always the same
17 to 19mpg

why I got the 25.8 that day I have never figured
out

now I get 23 to 25mpg all the time

Most of the 2 wheel obd1 trucks were all above
20 mpg my 93 V6 5 speed got 22 23mpg my 94 2
wheel auto trans got the same around 22

In dec 1994 I kept seeing this 4 wheel same green
color and stripe at the dealer one day I stoped
in and bought it at 200 miles I drove it to
milwaukee and it got only 14 to 15 mpg that
sucked I only had it a week at this time

Heres another thing 2 people can drive the same
vehicle but one will always get better mileage
driving habits also play a big part in mpg

My brother and his wife 03 jeep he drives gets
25 26mpg she drives and it drops to 21 22 mpg

The mods are upto the indavidual if they want to
do them I know they help mpg and the more power
is fun I love driving my dak and make excuses to
the old lady just to go for a ride LOL

Its like buety is in the eye of the beholder

All the trucks we have moded have never had any
complaints

One thing all your sensors need to work right
or you will never get good mileage I have seen
new trucks with bad sensors they are off but will
not always trip a code a guy needs to drive the
truck normaly and watch the operation of the
sensors just doing a scan for codes wont cut it
here check from cold start to operating temp
and while driving

fuel presure also plays a big roll in mpg 40psi
min the higher the presure the better the fuel
atomizes I run 50 to 55 psi holly pump and
external regulator adjustible

Larry
J&J Auto

Wadak
GenIII
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9/06/2007
00:20:23

RE: Broke 25mpg
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Larry,

Are you still using the Venom with this setup?



92 and 97 Daks both with many mods.

Wadak
GenIII
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9/06/2007
01:12:13

RE: Broke 25mpg
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Larry,

Are you running the Venom with this setup?


Wadak

92 and 97 Daks both with many mods.

Shoe
GenIII
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9/06/2007
09:59:53

RE: Broke 25mpg
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Dakota49, where at in Northwest Arkansas. I live in Paris or if you do not know where that is about 1 hour south of Fort Smith.

Finally... a V8. '01 Dodge Dakota RC, 4.7, 5-speed, 3.92 LSD. = R/T Killer.
well at least a stock one

intensedak39
*GenIII*
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9/06/2007
10:25:34

RE: Broke 25mpg
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when my genIII had a V6 in it. it got a corrected 27 mpg going from fort worth texas to jacksonville arkansas. i measured 25 mpg, but corrected to 27 for larger size tires.



98 2wd rc 3.9

modified throttle body
jet stage II (hey, it did help me)
1.7 roller rockers
jba headers
msd 6a ignition
msd blaster coil
msd 8.5 mm wires
flowmaster 40 series
mopar cold air intake
tonneau cover


370 mile trip, filled up before i left, and then when i got to my destination. 15 gallon tank.. i put in 13.xx gallons in. the truck got a consistant 25 mpg highway and 20 mpg city.



Shoe
GenIII
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9/06/2007
11:09:44

RE: Broke 25mpg
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I believe the best that I got in my red one was around 27 mpg. I miss the mileage on the interstate, but I do not miss the lack of power, well compared to the V8. My 4.7 gets cosistently 21-22 mpg.

Finally... a V8. '01 Dodge Dakota RC, 4.7, 5-speed, 3.92 LSD. = R/T Killer.
well at least a stock one

wadak
GenIII
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9/08/2007
11:08:22

RE: Broke 25mpg
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The best I have ever done mileage wise on a 97 clubcab with auto and canopy (about 4500 lbs) is 25. I get 22 to 24 faily consistently.


Intensedak39- LONG TIME NO POST; GO TO SEE YA BACK.

92 and 97 Daks both with many mods.

dakota49
Dodge Dakota
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9/08/2007
14:24:06

RE: Broke 25mpg
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Shoe, this is Dakota49, I am in Rogers, just north of Fayeville. I540 is our biggest hiway around here. I know where Paris is, I have been through there a few times. I drive a truck for a living. I mostly go to Dallas Tx, or Kansas city.
I enjoy truck driving, but after 29 1/2 years, its starting to get a little old. I have driven trucks in 4 countries, and 2 continets though.
I can say whitout a doubt, I prefer American trucks to European junk. Ok maybe I'm being a little mean, but the Mercedes I drove had a lot of stupid things straight from the factory.
I have said too much so I'll go for now.
Dakota49
88 4X4 3.9 5 speed



Shoe
GenIII
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9/08/2007
14:36:12

RE: Broke 25mpg
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I was thinking about getting into truck driving, but then I realized the fact that I would never get to spend any time with my friends for family and I do not think that I could deal with that. Truck driving is a very demanding job and I am sure that the pay is great, but like you said it gets old after awhile.

Finally... a V8. '01 Dodge Dakota RC, 4.7, 5-speed, 3.92 LSD. = R/T Killer.
well at least a stock one

intensedak39
*GenIII*
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9/08/2007
16:31:30

RE: Broke 25mpg
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Message:
what's up wadak, how's that V6 treating you these days?






sold my 01
Dodge Dakota
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9/08/2007
22:08:32

RE: Broke 25mpg
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bought an durango 01 5.9 with a paxton Supercharging System
http://www.paxtonauto.com/pdf/manuals/4809632.pdf
kicks my 6 banger into the rail





Wadak
GenIII
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9/09/2007
15:52:18

RE: Broke 25mpg
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Message:
intensedak39,

Still do'in good, how bout your truck?




92 and 97 Daks both with many mods.

Shoe
GenIII
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9/09/2007
16:47:40

RE: Broke 25mpg
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Message:
And I am sure that you are lucky to break 12-15 mpg in the thing.

Finally... a V8. '01 Dodge Dakota RC, 4.7, 5-speed, 3.92 LSD. = R/T Killer.
well at least a stock one

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