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Old Nov 11, 2007 | 05:34 PM
  #1  
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scantone1
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Default MPG

Well in not one to compalin about my mpg I have been getting 11 all the time on the high or in the city. Today I changed my oil to royal purple and I kid you not It went up to 13.5 on the over head I am very impressed with this I have NEVER seen it that HI!
 
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Old Nov 11, 2007 | 05:48 PM
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tdmopar59
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Default RE: MPG

the overhead is always wrong!!! lol.... calculate it by hand....
 
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Old Nov 11, 2007 | 05:49 PM
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What vehicle?? Thats pretty impressive.
 
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Old Nov 11, 2007 | 06:45 PM
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Last week I changed my plugs and went with a set of platinums. VIA the overhead beforeI was averaging 12.3 MPG. Today was the first real long trip I took since, about 125 miles. The overhead said I averaged 16.8 MPG. But that was also with the cruise control set @ 65 and the tail gate down. The best mileage I have gotten was 300 miles froma full tank. And that was including traveling the Kangamangas Highway in N.H up one side of the white mountains and down the other side. Lets just say that on the way down, gear selector was in (N)
 
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Old Nov 11, 2007 | 07:08 PM
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ORIGINAL: Chappie99

Last week I changed my plugs and went with a set of platinums. VIA the overhead beforeI was averaging 12.3 MPG. Today was the first real long trip I took since, about 125 miles. The overhead said I averaged 16.8 MPG. But that was also with the cruise control set @ 65 and the tail gate down. The best mileage I have gotten was 300 miles froma full tank. And that was including traveling the Kangamangas Highway in N.H up one side of the white mountains and down the other side. Lets just say that on the way down, gear selector was in (N)
You wanna be real careful running your automatics in neutral at high speeds for a long period of time. Thats why when your towing a vehicle you dont want to go over 35mph w/o removing the drive shaft.
 
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Old Nov 11, 2007 | 07:34 PM
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hemiyellow
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Default RE: MPG

yeah if you want a really accurate way of getting MPG then always do it by hand...the overhead is pretty good but it can be wrong as well.....
 
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Old Nov 11, 2007 | 08:12 PM
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Default RE: MPG

My overhead always reads 17.5 - 18.5, but the best I have got in the five months I have had my truck is 16.4. I always get in the 15's, I drive easy.
 
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Old Nov 11, 2007 | 08:58 PM
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hemiyellow
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Default RE: MPG

here lately after i did the gear swap (3.92 to 4.10) and 22's my mileage went down from 15 in town to 12 in town...highway went down to about 16 from 18.5
 
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Old Nov 11, 2007 | 09:02 PM
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ORIGINAL: hemiyellow

here lately after i did the gear swap (3.92 to 4.10) and 22's my mileage went down from 15 in town to 12 in town...highway went down to about 16 from 18.5
do you think thats because of the winter mix fuel...... i have heard most people saying that the lower gears are improving their city mileage..
 
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Old Nov 11, 2007 | 09:09 PM
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hemiyellow
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From: cedar falls, ia
Default RE: MPG

no because i had all this done before they started switching over to the winter fuel....this was back in late september, don't switch over up here untill like the mid/end of october......i'll have to wait and see what it is after winter with my stock 20's on it......right now it's sitting in the parking lot with the stock 20's back on it and covered up with a truck cover i just got friday lol.....

course, having the Performance 93 octane tune in my truck doesn't help any either...damn lead foot lol
 
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