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Old Apr 10, 2011 | 06:48 PM
  #1  
andrewzx92000's Avatar
andrewzx92000
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Tuned
20 Year Member
Joined: Sep 2002
Posts: 408
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From: saline USA
A message for Mike

HI Mike, thanks for sending me the 87 tune for my van, I have posted a picture at the 68-present econoline forum. I tried the 87 but noticed the power difference in a very noticeable way, so I have gone back to the 89.
With 87 performance tune I got 13mpg without the trailer, on 89 I get 12mpg and that is at any speed on the intersate at 75 or at 60 on two lane roads.
Towing I got about a 1/4 of a mile per gallon increase with 87 over 89.
89 I am getting 6.5 mpg at 70 in fourth gear on the interstate, with 87 it was 6.75. But the 89 spoiled me and I cannot live without the power, it makes hills a lot smaller and less work than the 87 tune.
Thanks for your help, I will be home next week from the trip and will send you something for your time. Thanks Andrew.
 
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Old Apr 11, 2011 | 07:49 AM
  #2  
krewat's Avatar
krewat
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From: Long Island USA
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Interesting that the closed-loop mileage would be LOWER with the higher octane. Gotta wonder what they're putting in your gas
 
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Old Apr 12, 2011 | 08:01 PM
  #3  
andrewzx92000's Avatar
andrewzx92000
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Tuned
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Joined: Sep 2002
Posts: 408
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From: saline USA
On this trip I used Chevron, Shell, Pilot, Loves, BP, and noticed no difference with any of them. I usually get a little better across the board towing but man I got into the worst head winds I have ever towed in on three different days. I didn't slow down so I paid for whatever they are putting in that fuel.
Andrew.
 
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Old Apr 12, 2011 | 09:46 PM
  #4  
fuelman's Avatar
fuelman
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Joined: Dec 2004
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From: Toulon,Il.
Originally Posted by andrewzx92000
On this trip I used Chevron, Shell, Pilot, Loves, BP, and noticed no difference with any of them. I usually get a little better across the board towing but man I got into the worst head winds I have ever towed in on three different days. I didn't slow down so I paid for whatever they are putting in that fuel.
Andrew.
The major reason you noticed no difference between sources is that 3 of the 5 I know are all probably pulled out of a BP terminal. Pilot n Loves both buy a great deal of their product from BP. The only differences might be the additives BP uses for their "branded" product verses additives for their "wholesale" product. In all truthfullness 99% of gas is the same in any given "region". It can vary north to south etc. Only so many refineries to get the product to a given region.
 
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