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8.5 mpg

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Old Dec 16, 2013 | 01:15 PM
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Default 8.5 mpg
265/75/r16 tires (one of them is an LT). Ill be getting another LT tire to match it in the back. how much would this contribute to mpg loss? truck came stock with 245
 
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Old Dec 16, 2013 | 01:54 PM
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even though those are bigger shoes for the truck to turn, you really shouldn't notice much loss. I did the same tire size switch to mine with little mpg loss, like .5 tops.
 
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Old Dec 16, 2013 | 02:22 PM
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What's the condition of the plenum, plugs, O2 sensor, catalytic converter, motor, transmission, etc...?
 
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Old Dec 16, 2013 | 03:20 PM
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plenum repaired, plugs changed, cat was gutted before I got it, burns 1-2 between oil changes, transmission has no O/D, o2 has not been changed since I've had it but it's not the original to my knowledge
 
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Old Dec 16, 2013 | 03:40 PM
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How many miles on that O2 sensor? (wild guess is fine.)
 
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Old Dec 16, 2013 | 03:43 PM
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Has your plenum been repaired with an aluminum plate or oem? If you are losing oil it makes me wonder if the plenum is bad again. I would take out and clean IAC, replace 02 and then focus on why there is no overdrive.
 
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Old Dec 16, 2013 | 04:01 PM
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o2 has to have 50,000 or less. plenum was from hughes (I did it). would replacing the o2 possibly bring me back up to 12mpg?
 
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Old Dec 16, 2013 | 04:54 PM
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Originally Posted by TheBigRedTruck
o2 has to have 50,000 or less. plenum was from hughes (I did it). would replacing the o2 possibly bring me back up to 12mpg?
Yeah I would change that one out, cant hurt with that many miles.

We need more specifics: engine size, auto or manual, 4x4 or 2wd, quad cab or reg cab, gears, etc to properly assess...
 
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Old Dec 16, 2013 | 05:07 PM
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^

"Vehicle: 1995 Dodge Ram 1500 Laramie SLT 5.2 4X2 2Door Longbed"
 
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Old Dec 16, 2013 | 05:23 PM
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Originally Posted by stewie01
^

"Vehicle: 1995 Dodge Ram 1500 Laramie SLT 5.2 4X2 2Door Longbed"
Appartently I need to remember to read sigs lol
 
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