#Better with mods power how to
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Some modders will also use clear tape over OEM hubcaps or wheels, though this is obviously less permanent. They can be made DIY style with things like pizza pans, or bought at various online retailers. The amount of drag reduction varies between different vehicle and wheel styles. Moon caps or moon eyes, as they are often known, cut down on aero drag, and can even look pretty cool. If you're worried about airflow over the wipers, this is probably your best option.ДЄnother hair-splitting option is to replace your blades with a lower profile style. When rain threatens, you can easily throw the blades back on. Others, however, simply remove the blades and store them in their car. Some people use RainX and remove their wipers completely, which is a bit risky and not advisable. The effect of front wipers on airflow varies from vehicle to vehicle. However, if you're really motivated to create a the lowest drag form possible, this is what you'll need to do. Shaving your door handles and smoothing out all the lines on your car isn't likely to boost your fuel economy a whole ton. Yes, this falls into the 'splitting hairs' category. Shave badges, door handles, rain gutters, etc.

#Better with mods power mod

Simple antenna aero mod (relocation, Geo Metro).You can either remove it or relocate it to a more aerodynamically friendly location. Radio antennas aren't the biggest things in the world, but they do stick out in the way, and you definitely won't find traditional 'whip' style antennas on high-efficiency concept & production cars. Peakster's video test of mirror removal.Reflections on side mirrors: testing drag vs.Prius aero mods (undertrays, grille block, mirror delete.).Cameras and LCD screens are a favourite of the concept car circuit, though a somewhat costly option. Others replace the outside mirror with convex, in-car mirrors or extra width rear view mirrors. Some will replace the outside mirrors with smaller mirrors, or more aerodynamically shaped mirrors from similar models. Many jurisdictions do not require a passenger side mirror, so that is most often the one deleted. Side mirrors are absent from most high efficiency concept vehicles for a reason: they increase both frontal area and Cd.

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How to decide whether to remove rear spoiler to decrease drag, improve mileage.It isn't always obvious whether a particular spoiler style is an aero help or hindrance. Take it off and your car will not only look stock, but it'll have better aerodynamics. Sure, the dealer or that go-fast kid on the corner might've convinced you that spoilers are good for downforce, but in reality, most are merely a cosmetic addition - one that is more likely to add drag than it is to do anything meaningful for handling. Raised wing type rear spoilers (deletion) Ironically, mud flaps can be useful when they're used as mounting points for aerodynamic mods such as boat tails behind the tires, or fender skirt attachment points. Mini-experiment: the wrath of roof racks.Removed racks can be reinstalled when needed.ДЄ compromise for OEM racks with difficult to remove side rails/mounts is to remove just the crossbars. Removal is usually easy (aftermarket) to moderately difficult (OEM). The aerodynamic penalty of roof racks at highway speeds can be significant: they increase both frontal area AND Cd. A lot of vehicles (SUVs, crossovers, wagons and minivans particularly) come with roof racks that are rarely if ever used by their owners. Roof rack (OEM as well as aftermarket) (deletion) NEW: See many examples of these mods in EcoModder's Project Library Drivetrain mods - transmission/differential.> Also see our 100+ Hypermiling / EcoDriving tips So don't be stupid! Make safety your first priority.

#Better with mods power driver

Others may be potentially damaging, depending on the skill of the mechanic and the ability of the driver to monitor his/her vehicle. Some could alter your vehicle's driveability or handling characteristics. To understand why they're omitted, spend some time in our ' Unicorn Corral'.Дisclaimer: some of the modifications on this list may be illegal in some areas. You'll note a distinct lack of 'magic bullet' or 'fringe' category modifications here (particularly additives and infomercial gadgets). EcoModder members have done most, if not all of these. Some admittedly split hairs, while others can make a significant fuel economy difference.

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They range from mild to wild, free to expensive.

Discuss these mods and suggest new ones in the forum.Д«elow is a list of well understood mods you can do to your vehicle to squeeze more distance from each drop of fuel.

See many examples of these mods in the EcoModder Project Library.

NEW: many of these tips are expanded with examples & links in EcoModder's wiki.