07-24-2017, 01:45 PM
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#1 (permalink)
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Master EcoModder
Join Date: Jun 2017
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Wonder what a coat of wax does!
I wonder what a coat of wax does for fuel efficiency. I spent the afternoon giving the car a thorough coat of wax, before the winter sets in. Maybe I'll get a few more yards per tankful 
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07-24-2017, 02:21 PM
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#2 (permalink)
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Rat Racer
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Oh, the added weight!
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Quote:
Originally Posted by sheepdog44
Transmission type Efficiency
Manual neutral engine off.100% @∞MPG <----- Fun Fact.
Manual 1:1 gear ratio .......98%
CVT belt ............................88%
Automatic .........................86%
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07-24-2017, 02:22 PM
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#3 (permalink)
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Master EcoModder
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Forgot about that. Maybe be lucky and break even then?
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07-24-2017, 04:46 PM
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#4 (permalink)
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Aero Deshi
Join Date: Jan 2010
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Yeah, been talked about some, clean er dirty, all the same. Since there is no laminar flow to speak of on your cars surface, the texture is insignificant.
This Article has some insight under "Aero Stuff That Doesn't Matter" if you don't wanna take my word for it. Actually, not really my word, I just readed boutz it somewarez. |
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07-24-2017, 06:56 PM
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#5 (permalink)
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Master EcoWalker
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It may make a difference in the rain, as the droplets will roll off instead of creating a film that ripples etc.
Waxed my father-in-laws pink Suzuki Ignis the other day. Well pink except for the newish bumper, front quarter panels and driver door which are red, its original color.
The hood took 3 times as much as the remaining 3 doors, roof, rear quarter panels and hatch combined! But at long last all is red and shiny.
People came walking by and told me they had a car as well that I could wax if I liked.
I told them the owner of the car I was working on gave me the hand of his daughter, were they able and willing to better that? 
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
  lifetime FE over 0.2 Gmeter or 0.13 Mmile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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07-25-2017, 01:35 AM
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#6 (permalink)
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It's all about Diesel
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Since wax is quite like a lubricant, it may eventually decrease the drag a little.
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07-26-2017, 12:04 AM
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#7 (permalink)
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Moderator
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The velocity of the fluid at the object surface is zero. Wax will do nothing to reduce drag.
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07-26-2017, 02:59 PM
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#8 (permalink)
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Master EcoModder
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I once had a friend who owned a Piper 250 Comanche, turbocharged. He liked to cruise high and fast at 16,000 to 17,000 feet, at which altitude he went over 200 MPH. He said that washing off the bug splats increased his cruise speed by about 2 MPH.
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06 Canyon: The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
22 Maverick: Summer 2022 burned 62.74 gallons in 3145.1 miles for 50.1 MPG. Winter 2023-2024 - 2416.7 miles, 58.66 gallons for 41 MPG.
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07-29-2017, 12:19 AM
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#9 (permalink)
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It's all about Diesel
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Sure it would become more noticeable at higher speeds, but any slight decrease to the drag that can be achieved for cheap, even if it's temporary, might be accountable.
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07-29-2017, 03:17 AM
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#10 (permalink)
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EcoModding Lurker
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Forget the possible mpg gains, do it to protect the paint and to help guard about wallte losses.
Every autumn I give the exterior a really deep clean, then steal a garage for a few days, and put several coats of wax on - it really helps protect the car from salt and dirt.
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