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View Poll Results: The Official HIGHWAY MPG poll
10 or below 68 10.61%
11 80 12.48%
12 124 19.34%
13 114 17.78%
14 115 17.94%
15 86 13.42%
16 44 6.86%
17+ 23 3.59%
Computer calculated 87 13.57%
Hand calculated 241 37.60%
Multiple Choice Poll. Voters: 641. You may not vote on this poll

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  #46  
Old 03-19-2007, 10:27 AM
PROSTOCK PROSTOCK is offline
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Just completed a 2905 mile trip over spring break.
Bone stock 80K mile '02 2WD "X", wife and 2 kids(and all the crap for a week).
Cruise set at 75 all the way.
Using 2ozs Acetone per 10 gallons gas.
Averaged right at 15 MPG.
Hand calculated.
Also burned ~2 qts oil, what's up w/ that?
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  #47  
Old 03-19-2007, 10:32 AM
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Why the acetone?

What kind of oil?

Start another thread, I want to try to keep this one clean of any tech stuff...
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  #48  
Old 03-21-2007, 07:51 PM
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  #49  
Old 03-28-2007, 02:29 PM
joe_jeep joe_jeep is offline
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2002 sc sb 4x4 lariat 3.73 with 305/70/16 toyos and leer cap, 77,000 miles. i run the flat land of michigan and go pretty slow! try to keep it at 2300 to 2400 rpms and let it slow up a hill so it wont down shift. best ive seen is 16 mpg. if i hammer down 75 to 80 mph its 13 to 14 mpg. i got a 3000lb travel lite 890sbrx truck camper, with that loaded it gets about 11 to 12 if i really baby it. any head winds or hills the camper will kill the mpg down to 9mpg. only use it to haul the camper mostly now. put 2684 miles on it last year.
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  #50  
Old 04-02-2007, 10:39 PM
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Thanks for answering, this is helping the research of my next truck, tired of the PSD. Now is back at the dealer.
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  #51  
Old 04-13-2007, 11:27 AM
GregA GregA is offline
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Just finished a 1400-mile trip down the coast. This time, instead of pulling a 24' enclosed trailer for the race car, I borrowed a 16' open and threw my equipment into the van (seats removed.)

Averaged 11.1 mpg for the whole trip, vice 6.9-7.1 pulling the enclosed. I typically get high-13s with only family on board. It wasn't *that* much less weight (I still had the same amount of equipment); obviously the aero really hurts. Even better, it towed like a dream, like the car and trailer weren't even there.

Not bad at all.
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  #52  
Old 05-01-2007, 09:21 PM
jgp_bud jgp_bud is offline
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my normal, easy driving, average is 9-9.5 with my 2000 F350 crew cab long bed dually with a bed cover and 4.10 gears and an auto. It pretty much sucks! I have thought of trying a programmer to see if it would help.
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  #53  
Old 05-01-2007, 09:33 PM
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I started using KD and keeping hwy speed not higher (is difficult) than 62 to 65 mph and I'm at 17.2 hand calculated, 17.8 computer. Had a couple tanks on the 18's with tail wind.
F250 lariat CC 4x4 with 35's and 373's
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  #54  
Old 05-02-2007, 09:24 AM
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14 (14.5 if all highway, this was a 1600 mile trip from Central PA to Houston, TX on 87 Octane)
2001 F250 SC/SB 4X4 4.30:1 with 5-speed manual 265-70R16
Vinyl Bed Cover adds about 1.25mpg combined/highway
I have had to run 89 Octane for the last 40k miles to keep from getting 10-11 mpg
I average 13.5mpg with about 50/50 highway(70-85mph)/town driving
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  #55  
Old 05-07-2007, 11:06 AM
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2200 mile trip when I picked up the X in the winter. I was amazed that I was getting 16 - 17 for the first half of the trip. I didn't even get through my second tank when I blew a spark plug and had to finish the last 1200 miles on only 9 cylinders. I got about 13 mpg across half of Iowa, Nebraska, Wyoming and into Utah. Now I have 285's and a K&N filter and got 16 mpg from SLC to Las Vegas and arrived with a third of a tank left. Unbelievable that I can get a 650 mile range with this beautiful beast. My bladder won't make it that far.
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  #56  
Old 05-13-2007, 02:50 PM
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400 mile trip dash MPG says 15.2
Hand calculated comes to 14.5
800 miles on truck.
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  #57  
Old 05-17-2007, 09:24 AM
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Un real

I'm not going to include this in the poll but I thought that you guys would like to know. I live in Wyoming. I filled up my truck before driving between 135-140 miles at 65mph. When I got to the gas station to fill back up, my truck only took 7 gallons.

THATS 20+ MPG.
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  #58  
Old 05-17-2007, 09:48 PM
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Nearly 700 miles towing a 30' enclosed trailer from NY to VA. Empty going down, 5500 pounds coming back. Got nearly 11 going down at 62 mph, cruise on. Running 75 coming back was in the high eights/low nines, slowed down to 60-62 and got back up to 10.7 mpg with the trailer loaded.
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  #59  
Old 09-09-2007, 10:25 AM
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Krewat, I see you run both 265-75's and 235-85's on your truck, my question is "are you using the same rims?" I want to do the same, switch my 265's for 235's.
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  #60  
Old 09-09-2007, 10:35 AM
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Quote:
Originally Posted by hjesq
Krewat, I see you run both 265-75's and 235-85's on your truck, my question is "are you using the same rims?" I want to do the same, switch my 265's for 235's.
I had the original 235's brand-new on the stock rims.

Then I went to 265's.

Now I have 285's, and they are pushing the limits of the rim width.

Brand-new from the factory, the SD's came with both 235's and 265's on the same rims.
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Old 09-09-2007, 10:35 AM
 
 
 
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