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Author Topic: Fuel Additives Back to Topics
greydog13
All-Star Author
Iowa

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Message Posted: Nov 30, 2012 12:31:11 AM

Does anyone use an additive in their fuel to improve mileage and/or engine performance. What do you use? Have you noticed positive, improved performance?
REPLIES (newest first) Post a Reply
Fredelin
Champion Author Toronto

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Message Posted: Oct 13, 2013 7:45:39 PM

I have used STP and Lucas products.
I don't know about more KM, but sure the increase in power is immediate!
Houckster
Champion Author Atlanta

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Message Posted: Jun 16, 2013 2:07:23 PM

APACHEGIRL writes: Laugh if you want to but I have been using stp gas treatment when and if i fill up. My gas mileage totally improved in my 10 year old SUV. Last time coming back from fl. at least 3 to 7 mpg. up to 27 mpg on one stop. Total Believer.
______
I'm not laughing but I'm not believing either. Have you compared the mileage you were getting before using STP to the EPA estimates for your ride? My guess is that the mileage improvement you got was mileage that was recovered because of engine deposits that the STP removed. It is also common knowledge that people who do something to improve their mileage also, for a time, also drive more efficiently. Driving more efficiently will give you a better increase in mileage than any additive.
johnchase
All-Star Author Miami

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Message Posted: Jun 16, 2013 2:03:01 PM

No
bighatch65
Champion Author Newfoundland

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Message Posted: Jun 16, 2013 1:46:02 PM

Rarely
jack4141
Champion Author Alabama

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Message Posted: Jun 16, 2013 12:46:36 PM

Not really
contiki
Champion Author Ontario

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Message Posted: Jun 16, 2013 11:10:19 AM

Don't use them.....

Our Hondas don't need them........
blckwolf
All-Star Author North Carolina

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Message Posted: Jun 15, 2013 11:17:50 AM

Don't use them, never have.
Dako
Sophomore Author Stockton

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Message Posted: Jun 15, 2013 11:13:48 AM

Seafoam
ApacheGirl
Veteran Author Michigan

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Message Posted: Jun 15, 2013 10:25:23 AM

Laugh if you want to but I have been using stp gas treatment when and if i fill up. My gas mileage totally improved in my 10 year old SUV. Last time coming back from fl. at least 3 to 7 mpg. up to 27 mpg on one stop. Total Believer.
twt
Champion Author Virginia Beach

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Message Posted: Jun 15, 2013 6:22:01 AM

I don't use them.
MIT05
Champion Author Massachusetts

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Message Posted: Jun 15, 2013 6:14:25 AM

Never use them.
jl1rp
Champion Author New Hampshire

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Message Posted: Jun 15, 2013 12:48:04 AM

don't use them.
EvPv
Champion Author Maine

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Message Posted: Jun 14, 2013 8:54:55 PM

I simply use high octane 3 tnks in a row once a year, it seems to do the trick in helping maintain the mpg.
JOB_Dave
Sophomore Author San Francisco

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Message Posted: Jun 14, 2013 8:44:49 PM

never used any additives
Boyrr
Champion Author Allentown

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Message Posted: Jun 14, 2013 2:10:29 PM

none
FarmTech
Champion Author Virginia

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Message Posted: Jun 14, 2013 1:48:34 PM

The consensus of ASE Master Mechanics and professional high-end performance builders is that the absolute best additive is STARTRON (pronounced Star-Tron).

This additive will not only clean -- almost as good as a pro disassembly cleaning of moderate clogging -- Fuel Injectors, it is EXCELLENT for negating the effects of ethanol blended gasolines. It will stabilize the ethanol, perhaps remove some of the ethanol and encapsulate the water formed in tanks -- some from the Reid Vapor Pressure of ethanol or the evaporation of ethanol -- so that it will pass through the system and be burned in the engine.

It can be found at prices less than SeaFoam and is much, much better than SeaFoam.
renegaudet
Veteran Author Houston

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Message Posted: Jun 12, 2013 8:48:11 PM

My mechanic recommend one and it worked. Sorry can't remember the name.
cricsync
Rookie Author Los Angeles

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Message Posted: Jun 12, 2013 5:34:09 PM

fuel injector cleaner works
coffeerage
Champion Author Las Vegas

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Message Posted: Jun 12, 2013 2:54:03 PM

Sea Foam
thirty8paces
Champion Author Baltimore

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Message Posted: Jun 12, 2013 9:32:53 AM

1 bottle of Chevron Techron every 6 mos.
grim_farva
Champion Author Kansas

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Message Posted: Jun 12, 2013 9:05:22 AM

I just use injector cleaner
nichols
Champion Author Halifax

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Message Posted: Jun 12, 2013 9:03:58 AM

all are garbage except maybe the fuel injector cleaners
MertieMan
Champion Author Lexington

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Message Posted: Jun 12, 2013 8:06:07 AM

I did use one only can of "Sea Foam" in my truck when my check engine light came on, but the truck was running fine anyway. It turned out to be an air valve in the injector system causing the problem. Don't waste your money on additives.
JOB_Dave
Sophomore Author San Francisco

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Message Posted: Jun 11, 2013 5:45:26 PM

no
forresj
Champion Author Wilmington

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Message Posted: Jun 9, 2013 7:39:06 AM

Fuel system cleaner (which cleans injectors too) and fuel stabilizer.
AKStafford
Rookie Author Alaska

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Message Posted: Jun 8, 2013 11:22:24 PM

I try and stick to top tier fuels.
Houckster
Champion Author Atlanta

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Message Posted: Jun 8, 2013 10:23:39 PM

I'm giving Bell Laboratories Ethanol Defense a try. It's supposed to reduce the problems with ethanol-laced fuel. I won't know if it works until I've gone through a couple of tankfuls with it If I have any positive results, I'll report back.
urpostman
All-Star Author Calgary

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Message Posted: Jun 8, 2013 4:58:01 PM

fuel injector cleaner noticeable improvment
ranger2k
Champion Author St. Louis

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Message Posted: Jun 8, 2013 4:24:17 PM

just fuel cleaner
PassmyGas
All-Star Author North Carolina

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Message Posted: Jun 8, 2013 4:08:30 PM

no
DI
Champion Author Twin Cities

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Message Posted: Jun 8, 2013 3:52:40 PM

No.
alphanyr
Champion Author Connecticut

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Message Posted: Jun 8, 2013 3:29:07 PM

no
GUNNIE
Champion Author Indiana

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Message Posted: Jun 8, 2013 2:38:21 PM

Only injector cleaner.
nichols
Champion Author Halifax

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Message Posted: Jun 8, 2013 9:39:27 AM

nope
wickstick83
Champion Author Milwaukee

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Message Posted: May 20, 2013 9:14:27 AM

no
Zig0
Champion Author Tennessee

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Message Posted: May 20, 2013 8:38:19 AM

I have in the past
Maxer105
Champion Author New Jersey

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Message Posted: May 20, 2013 8:35:25 AM

no
2Tall
Champion Author Maryland

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Message Posted: May 20, 2013 7:57:44 AM

no
RJ35126
All-Star Author Birmingham

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Message Posted: May 18, 2013 12:52:40 AM

no
gas_phil
Champion Author Sacramento

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Message Posted: May 18, 2013 12:51:43 AM

high RPM will clean it too.
mybigtruck
Champion Author San Jose

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Message Posted: May 15, 2013 3:25:42 PM

Unless we take our engines apart, how do we really know if your injectors, valves, and stuff are really as dirty as all the pictures want us to think?

Use any reputable gas from a high turnover source and you'll be fine.

I've used Techron System Cleaner (not the watered down stuff they sell at costco) in the past. That *does* work. I had some pinging in my old car with 200Kmiles on it and it all went away after 1 treatment.

[Edited by: mybigtruck at 5/15/2013 3:28:28 PM EST]
grim_farva
Champion Author Kansas

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Message Posted: May 15, 2013 10:36:31 AM

I use injector cleaner but that's it.
PassmyGas
All-Star Author North Carolina

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Message Posted: May 15, 2013 10:26:17 AM

no
MIT05
Champion Author Massachusetts

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Message Posted: May 15, 2013 10:01:03 AM

Never.
Houckster
Champion Author Atlanta

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Message Posted: May 14, 2013 2:22:19 PM

Improving fuel with additives can be very expensive and it's often a whole lot better and simpler to just use a Top Tier fuel.
Dennis783
Champion Author Des Moines

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Message Posted: May 14, 2013 7:30:26 AM

nope, the costs outweighs the proposed improvements
51stovi
Champion Author Nashville

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Message Posted: May 14, 2013 7:26:51 AM

No
BulletRC
Champion Author Mobile

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Message Posted: May 14, 2013 5:54:34 AM

I like using Dura Lube fuel system cleaner.
BartandLisa
Champion Author Newfoundland

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Message Posted: May 13, 2013 4:52:30 PM

No, no noticeable effect
Clunk49
Rookie Author Nashville

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Message Posted: Apr 1, 2013 9:35:14 PM

I add Lucas Upper Cylinder Lubricant to lube the 18 year old intank fuel pump on my gasser.
Ya gotta remember, fuel cools and lubricates the electric fuel pump.
Letting one run out of gas hurts you more than just getting out and walking to the gas station.
bradley3533
Champion Author Texas

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Message Posted: Apr 1, 2013 8:38:29 PM

No
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