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Author Topic: Have you ever installed a fuel-saving device? Back to Topics
windrifter

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Message Posted: Feb 11, 2011 12:45:32 PM

Years ago, when gas was still cheap, my dad installed a gasoline pre-heater which used the heat from the engine coolant to preheat the fuel. (I'm sure it voided any warranty on his engine) He noticed some improvement, but it wasn't worth the money.
What's your experience?
REPLIES (newest first) Post a Reply
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Awing1
All-Star Author Ontario

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Message Posted: Sep 2, 2014 9:05:58 AM

no
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dontuknowOH
Champion Author Ohio

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Message Posted: Sep 2, 2014 8:21:38 AM

When driving shopping routes, zoned 25 - less than 50MPH. or even 55MPH. Then putting simply more distance between your vehicle and the one you are following becomes a fuel saving action.

Yes there will always be another vehicle move over into the extra space ahead of you when in motion, ease off a bit or hold. Staying off the brakes as much as possible along with paying attention of the T.. Lights and stopped traffic ahead.

Often the vehicle will turn right and free up that space and no braking on your part saves momentum $$ for your vehicle. The hard part is breaking the habit of wanting to always then attempting to close the following gap ahead, that is ok when coming close up for a necessary stop motion(traffic interval).

If you notice the repeated on/off brake lamps of many vehicles ahead of you, that signifies what I'm trying to avoid for the fuel savings, their actually using extra fuel up for poorer mileage with out any idea of why usually. Min...ute seconds may be the only reward for all the brake lamps ahead lite. Keeping distance, steady travel motion, less braking/resuming, less total stopping, results in less fuel loss(your F.. Tank) = NICE ! Your foot doesn't know when the F.. prices rise same for driving habits!
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twt
Champion Author Virginia Beach

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Message Posted: Sep 2, 2014 5:44:56 AM

Never done that.
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nickless
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Message Posted: Sep 2, 2014 5:37:43 AM

no
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northernbeach
Rookie Author Gasbuddy

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Message Posted: Aug 29, 2014 6:32:42 AM

northern Beaches provides the best air conditioning & ducted heating services for different brands such as Actron Air, Daikin, Brivis, Carrier,
Fujitsu and Mitsubishi products.
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GLM4205
Champion Author Toledo

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Message Posted: Aug 29, 2014 6:17:46 AM

naaa
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John_Doe
Champion Author Northwest Territories

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Message Posted: Aug 29, 2014 3:32:28 AM

no
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randy3116
Champion Author Tennessee

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Message Posted: Aug 28, 2014 5:35:26 AM

no
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8_Ball2014
All-Star Author North Dakota

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Message Posted: Aug 28, 2014 2:44:30 AM

no
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WEDDY
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Message Posted: Aug 27, 2014 9:44:17 AM

When I was a kid. They never worked.
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contiki
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Message Posted: Aug 27, 2014 7:21:23 AM

Never.....
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dontuknowOH
Champion Author Ohio

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Message Posted: Aug 20, 2014 7:58:04 AM

I've always thought that if the average truck had it's undercarriage more streamlined to lessen air drag, then better mileage would be had at speeds above 25 MPH.

Mufflers shaped with tapered ends instead of oval or round with blunt ends. Axle housings with a tapered front facing or flair instead of round housings, narrower but larger brake drum dia. areas for a more streamlined frontal surface. Same for any frame cross-members, that catch air in a horizontal fashion at the underside of trucks.

Then there is the spare tire hanging in it's non aero holder resisting flow with extra drag. Well there trucks and other trucks, the ones I refer to are mainly ones used at being a second handy vehicle for work, hobbies, and recreation, seen driven daily.

There is a lot of junk underside that could be more better placed or shaped for less air drag. MYOP....
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BCNU
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Message Posted: Aug 20, 2014 5:28:48 AM

no
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dontuknowOH
Champion Author Ohio

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Message Posted: Aug 19, 2014 9:59:20 PM

jimmy544; You may have forgot Hidden headlamps, cruiser style skirts, bullet shape side mirrors, and inline fuel pump supply line pressure regulators, even low restriction air cleaners(enclosures. Old School....
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PaylessKY
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Message Posted: Aug 19, 2014 1:08:09 PM

No
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jimmy544
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Message Posted: Aug 18, 2014 9:31:56 AM

Engine block heaters for cold weather. radial tires back in the day when such tires were a new idea. fuel mileage gauges to find out fuel consumption at speed and idle. Electric radiator fans. Electronic ignition back in the day when they were a new idea. Grill blocks and air dams on the front of the car to assist aerodynamics. Lower viscosity transmission and differential oil.
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contiki
Champion Author Ontario

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Message Posted: Aug 18, 2014 7:47:16 AM

Never......
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Jackson126
Veteran Author Virginia

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Message Posted: Aug 17, 2014 9:23:06 AM

No
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dontuknowOH
Champion Author Ohio

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Message Posted: Aug 17, 2014 9:12:26 AM

My vehicle since new would want to stay in third top gear when hitting the freeway, temp gauge reading just off the cold mark when on the on ramp.

I made a foil/foam shield, mounted it ahead of the housing of the ECM engine coolant temp sensor, in order to block off the frigid wind blasts after start-up and drive-away at temps below 60* F an lower.

That allowed my automatic transmission to up-shift into O-Drive top gear on the highway at 65 mph, instead of the OEM perceived setting of higher RPMs in only third gearing/wasting fuel by minutes longer. Longer was controlled by the severity of winter outside temps, colder meaning a longer interval. The DIY protector only accounted fo the chill-down of the sensor area exposed to that time period of lazy warming under-hood temps, caused by the wind chill factor/blasts of moving air resisting engine warm-up noted by the ECM sensor. Worked for Me...& MY driving habits.d
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drydem
Veteran Author Maryland

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Message Posted: Aug 12, 2014 5:27:02 AM

three things have helped me get 120% more than the EPA rating for my car. That is three things have help me achieve on a 2010 Toyota Prius III, whose EPA rating is 50 mpg, an overall fuel efficiency is 60 mpg:

1) tire pressure gauge and tire pump - which I use to overinflate the tires to reduce my car's rolling resistance so I can *coast* longer on momentum. Along with using low rolling resistance tires this bumps me up about 3 mpg.

2) air intake grill blocking foam - which I use to help the engine heat up and stay warm when the driving temperatures drops below 60 F. So instead of losing 8 mpg in the winter time I lose about 5 mpg in the winter time to cold operating temperatures.

3) a ScangaugeII OBDII meter - which helps me me fine tune my hypermiling techniques by telling me when the gas engine is running or not (RPM/GPH) and how fuel efficient the gas engine is at a particular time (LOD).

I've been studying fuel economy using a 2010 Prius for about the last five years - there isn't any magic bullet and not every technique I have learned will work in all situations but rather I know a set of tools that when applied at the right time, at the right place, and applied in the right way - produce better than expected fuel efficiencies...



[Edited by: drydem at 8/12/2014 5:29:41 AM EST]
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twt
Champion Author Virginia Beach

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Message Posted: Aug 12, 2014 4:40:45 AM

I have never installed one.
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BCNU
Champion Author British Columbia

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Message Posted: Aug 12, 2014 3:21:20 AM

no
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badbobKY
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Message Posted: Aug 10, 2014 2:25:58 PM

no
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SGLuz
All-Star Author Modesto

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Message Posted: Aug 10, 2014 12:16:28 PM

Yes, a lighter shoe.
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jay93LA
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Message Posted: Aug 10, 2014 10:11:51 AM

no
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contiki
Champion Author Ontario

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Message Posted: Aug 10, 2014 8:25:22 AM

Never............
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Mikeyl
Champion Author Cleveland

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Message Posted: Aug 9, 2014 10:41:53 AM

Nope. There is NOTHING that has been PROVEN to work.

If it does help, the manufacturers put it on the engine themselves.
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46chief
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Message Posted: Aug 9, 2014 10:28:57 AM

No. Remember several years ago they were selling a magnet to fasten around the fuel line just in front of the carburetor? What a joke!
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contiki
Champion Author Ontario

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Message Posted: Aug 2, 2014 6:56:35 AM

never......
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OilerFan
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Message Posted: Aug 1, 2014 7:04:43 AM

I've never seen one that worked.
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GBMAX
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Message Posted: Aug 1, 2014 2:33:16 AM

no
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dontuknowOH
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Message Posted: Jul 31, 2014 9:50:37 PM

Like Boyrr stated I also trained my R foot to obey logical reality decisions/commands. The device is my shoe. Warm ambient air of 100-130F* is beneficial to the air/fuel intake of engines for correct fuel vaporization and economy, during fresh engine starts or restarts.
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Boyrr
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Message Posted: Jul 31, 2014 1:40:44 PM

just my foot
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RalphHightower
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Message Posted: Jul 31, 2014 6:11:11 AM

no
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randy3116
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Message Posted: Jul 31, 2014 5:31:41 AM

no
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twt
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Message Posted: Jul 31, 2014 5:02:59 AM

No, I never have.
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JoeKing
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Message Posted: Jul 30, 2014 11:37:06 PM

no
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twt
Champion Author Virginia Beach

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Message Posted: Jul 29, 2014 5:10:19 AM

Never installed one.
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poetdog73
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Message Posted: Jul 29, 2014 4:05:27 AM

no
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BCNU
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Message Posted: Jul 29, 2014 3:31:02 AM

no
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GLM4205
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Message Posted: Jul 28, 2014 5:38:54 AM

No
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jl1rp
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Message Posted: Jul 27, 2014 7:41:32 PM

no
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dontuknowOH
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Message Posted: Jul 27, 2014 9:11:25 AM

Only DIY-installed devices also keeping vehicle junk, items not needed for a reduced weight advantage, makes sense mainly where stop/go/frequent acceleration/braking describes the daily driving conditions.

If a small speaking voice devise would sound off each time the driver hit the brakes/Go pedal, like a sound of "Woops.... Again" or " Nervous Foot Today!" Sounds Dumb, but habits are reality just like fuel/energy/cost savings.... "Ignore".... is the most common choice!!! = Tailpipe $$$....
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PaylessKY
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Message Posted: Jul 27, 2014 8:36:41 AM

No
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contiki
Champion Author Ontario

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Message Posted: Jul 27, 2014 7:31:00 AM

Never.....
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MonkeySimple
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Message Posted: Jul 25, 2014 12:14:52 PM

Nope.... never....
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BCNU
Champion Author British Columbia

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Message Posted: Jul 25, 2014 6:49:28 AM

no
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twt
Champion Author Virginia Beach

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Message Posted: Jul 25, 2014 3:01:14 AM

Never have.
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Jmac2008
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Message Posted: Jul 25, 2014 1:03:58 AM

No
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counterattack
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Message Posted: Jul 24, 2014 3:36:46 PM

Nope
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