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Old 09-11-2008, 11:56 PM   #31 (permalink)
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thanks for your replies.

I guess vapors would come out on your next fill. You'll notice that a tranparent smog comes out of your tank once you opened it for refueling. Also, if you make your tank empty, the more times you will go to the gas station. The more miles you'll spend. In addition, contaminants are settled at the bottom of the fuel tank. If you make your tank near empty, your engine will be susceptible to these contaminants.

The best way is to test it as what have been advised. Any more tests guys?

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Old 09-12-2008, 02:05 AM   #32 (permalink)
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Quote:
Originally Posted by PaleMelanesian View Post
750 daily commute segments included in this.
11.9 gallon tank = 83 (ish) lb of fuel, assuming the above 7lb / gal is correct.
3.6% of my car's total weight (2300 lb).
6% improvement in mileage.
There must be something more going on. If removing 61 pounds (75% of 83ish pounds) increased my mileage by 6%, I'd be ripping out the extra seats, interior and dash right now... and then going on a diet.
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Old 09-12-2008, 03:16 AM   #33 (permalink)
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You don't have to be a genius to figure out that more weight means that you will burn more gas, what does a full tank weigh???? DUH!
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Old 09-12-2008, 03:43 AM   #34 (permalink)
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Quote:
Originally Posted by happyface View Post
You don't have to be a genius to figure out that more weight means that you will burn more gas, what does a full tank weigh???? DUH!
About 80 pounds. DUH!
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Old 09-12-2008, 03:59 AM   #35 (permalink)
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Quote:
Originally Posted by Clev View Post
About 80 pounds. DUH!
Depends on the vehicle...

In my ride - the difference between 'F' and 'E' is 48 lbs.

Maybe it helps my FE by coasting further...

Quote:
Originally Posted by Doofus McFancypants View Post
Item #4 - I have found that filling it on SLOW seems to work better for my car - maybe it is how the pipe is bent - but on HIGH flow it will click itsself off Way Early....
LoL!

Takes me about 10 minutes to fill my tank - hurts my back from bending over so long, but I think it makes a difference!
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Old 09-12-2008, 04:18 AM   #36 (permalink)
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Alot will depend on the car, a full tank on mine is 5% of total weight, definately noticable, you can feel the difference on steep climbs and drag racing
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Old 09-12-2008, 04:58 AM   #37 (permalink)
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Imo small changes of weight wont have an much of effect on the average driver. PaleMelanesian is really pushing his civic with few modifications, I'm seriously impressed.

In my case, the best FE I have ever had was when there was 150+ extra lbs in the car.
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looking forward to seeing what kind of uber-sipper slinks out of the full race skunkworks.
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Old 09-12-2008, 05:04 AM   #38 (permalink)
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Quote:
Originally Posted by Vince-HX View Post
In my case, the best FE I have ever had was when there was 150+ extra lbs in the car.
Heh!

Must be an HX thing!
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Old 09-12-2008, 08:10 AM   #39 (permalink)
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Originally Posted by jamesqf View Post
And another question: how on earth do you manage to fill your tank to 125%?
Yea, I'm not sure either...
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Old 09-12-2008, 08:20 AM   #40 (permalink)
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Lol, does the phrase "This one goes to 11" mean anything to you guys?

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