What is the BEST Fuel to Use in Your Car or Truck and WHY

Ever wonder what grade gasoline should you use in your car (what octane)? Are you paying for premium gas when you can just use regular? Are you using regular and damaging your engine? This video will bust all of the myths and tell you the FACTS on what fuel you should use and why.
Many people throw money away and fill their car with the incorrect fuel every day. Running premium or midgrade in a car designed to run regular is a waste of money and has no HP or MPG benefits. You will not make more power or get better fuel economy running premium fuel if the car manufacturer tunes the car to use regular gas in most cases. I also see some people run regular gas in cars that need premium and the knock sensors have to adjust timing significantly to prevent damaging engine knock. I also hear a lot of people say that premium gasoline has more energy or burns cooler or slower so I will put a rest to all of these "myths" with facts.
More info on fuels and additives: www.shell.us/motorist/shell-fuels/shell-v-power-nitro-plus-premium-gasoline.html
Fuel Injector Machine I used: amzn.to/2MeGbnZ

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Disclaimer:
Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not ChrisFix.

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  • I hope you guys like the animations and all the extras that went into this video! It took a while to do (you guys who follow me on Instagram know lol) but I think it is worth showing you examples instead of just taking my word for it! For those asking, here is where I got the fuel injector cleaner/tester: amzn.to/31kHwhk

    ChrisFixChrisFixVor Monat
    • Was this filmed back in the 80's? I would kill for gas prices that low around here.

      Trueflight SilverwingTrueflight SilverwingVor 3 Tage
    • Dang wish vegas had 2.37 per gallon again

      mystic jeremymystic jeremyVor 4 Tage
    • Themattinator 86 I’m sure that would damage the engine within a certain number of miles.

      John GivensJohn GivensVor 5 Tage
    • What would happen if you mix all of the octane's together, would that do anythinh?

      Themattinator 86Themattinator 86Vor 5 Tage
    • Ricco kimbrough diesel is more expensive

      Alonzo SantosAlonzo SantosVor 5 Tage
  • Very interesting!

    peter opeter oVor 19 Minuten
  • Damn octane booster looks like a really good alco drink

    demonslugerdemonslugerVor Stunde
  • SO BASICALLY READ THE MANUAL

    johnny bjohnny bVor Stunde
  • All i can say dont use eco fuel

    demonslugerdemonslugerVor Stunde
  • Doa video on seasfoam

    Kenneth HarrisonKenneth HarrisonVor Stunde
  • This is a great video. But if you use seafoam in reg gas it will clean just as the 93 does.

    Kenneth HarrisonKenneth HarrisonVor Stunde
  • Just curious, if my car is a flex fuel car, whats better? regular or e-85?

    CrimmyKinzCrimmyKinzVor Stunde
  • Technically you are correct... all 4 grades have the same amount of energy in them BUT the difference is how the engine uses the fuel with different octanes. As you mentioned, a high compression engine cannot use a lower grade fuel as well (the spark knock is a symptom of this). I run the highest octane I can get in my CTS-V but I also have a 99 Mazda that I use for a work beater that I picked up with only 43K miles on it and in that car I can see a significant increase in power and acceleration if I use 93 Octane fuel despite the manual calling for 87 so that is not always true.

    KL0Wn KiLLeRKL0Wn KiLLeRVor 2 Stunden
  • cant wade thru all the ads

    Joe MoralesJoe MoralesVor 2 Stunden
  • First time watcher. AWESOME video.

    edd Bedd BVor 3 Stunden
  • ...it's called "electricity". Far more efficient, far lower cost. I beat the hell out of an F350 crew turbo diesel for 240,000 miles....to the tune of $1/mile. 2 years into the purchase I realized what a scam "sticker" price is. Literally the year I bought it diesel prices went ABOVE regular for the first time ever and never reverted (1999). Now I demand better for my money. IF I'm paying $40,000 it better be a tank running on 50 cents a mile lifetime ownership cost or forget it.

    D WolffD WolffVor 3 Stunden
  • What does detonation sound like?

    ThunderLipsThunderLipsVor 4 Stunden
  • I use super 98.

    moi toimoi toiVor 4 Stunden
  • I thought I was listening to ariel helwani...lol, but yeah chrisfix man, this dude has it all talking about automotives, hats off man... salute

    Rob GRob GVor 5 Stunden
  • informative video, thanks for posting!

    Miguel MarquinaMiguel MarquinaVor 5 Stunden
  • I got 2.03 yesterday. San Antonio Tx

    William RackleyWilliam RackleyVor 5 Stunden
  • Thanks for the information how about using hydrogen fuel.

    EdmondEnterprises Group Inc.EdmondEnterprises Group Inc.Vor 5 Stunden
  • I feel like this is a big duuhh, but people are idiots.

    philiphiedphiliphiedVor 5 Stunden
  • 2.9 for v-power? Man what state is this ?

    Steven MaksymivSteven MaksymivVor 5 Stunden
  • i just checked my manuel and it said premium gas but then right under it it says use 87+ does that mean it really dosent matter? i have a tiny chevy cruise 2014. being a smaller car ive always assumed 87 was fine, but is it a good idea based on what i learned from this video to run premium 91 every once in a while to help keep it clean?

    David AmesDavid AmesVor 6 Stunden
  • Great video! Plse make one for diesel engines.

    Luciano SoemantaLuciano SoemantaVor 7 Stunden
  • This is actually a lie, better use an additive to clean your engine, and the knock, you have this problem only with high performance engines , this video is a b*****t

    vio didovio didoVor 8 Stunden
  • I just spent 10 minutes for this dude to tell me "use the fuel your owner's manual says to use." smh.

    TigheTigheVor 8 Stunden
  • And the answer is .......... look it up in the owners manual, done! now you do not have to watch the video ;-)

    Brett Atencio RNBrett Atencio RNVor 10 Stunden
  • I've got a 1999 tahoe with over 200k miles. 350 engine. Should I run premium?

    Tyler SavickTyler SavickVor 11 Stunden
  • What about this new "88" version that is available at some gas stations for a few cents cheaper than 87? Heard it on MPR that it's a state program thingy.

    Tou LorTou LorVor 11 Stunden
  • I am now a super car genius

    Dr.Phil BigoneDr.Phil BigoneVor 12 Stunden
  • The T_Bird you got your Mom still Looks Good.....👍🏻

    billy fatbowebilly fatboweVor 12 Stunden
  • That's quality 🤤🤤🤤

    C.ShuWeiC.ShuWeiVor 13 Stunden
  • ChrisFix, what is the best clean injector cleaner (what brand), thanks for the video .answer my question pls.

    Jamie PerezJamie PerezVor 13 Stunden
  • Montana actually has 85 octane. in places with a cold winter (or higher altitude?), you can get away with a lower Octane rating, or so the local legends say.

    Cole KnowlesCole KnowlesVor 14 Stunden
  • the fact that people need to be told not to put diesel in their gas powered vehicles in 2019........simply astounds me. Humanity is doomed. the intelligent among us are only delaying and dragging out the inevitable.

    Cole KnowlesCole KnowlesVor 14 Stunden
  • Great video. Any value in occasionally using fuel injector cleaner additives? If so, which do you recommend?

    Joseph BrazJoseph BrazVor 14 Stunden
  • What does your hummer run on

    Adam WilliamsAdam WilliamsVor 16 Stunden
  • How does regular gasoline with the common “10% ethanol added” effect a non-flex fuel car over a long period or short period of use?

    Brendan SchroederBrendan SchroederVor 17 Stunden
  • Happy diesel moment

    Jackson DeamJackson DeamVor 17 Stunden
  • tldr: read yer manual

    Chyrnobyl66Chyrnobyl66Vor 18 Stunden
  • Thanks, I 'Drifted' away from this site for a while. If you know what I mean for non interest.

    David OrrDavid OrrVor 18 Stunden
  • WTH, 2.37??? only? the cheapest one in my town,Los Angeles, is 3.69

    Jin Won JangJin Won JangVor 18 Stunden
    • California state taxes and hidden excise taxes on fuel are awful. Plus Cali used to have 93 octane but the fools reduced it to 91.

      Jay TuckerJay TuckerVor 14 Stunden
  • The Corvette is a muscle car to

    Dawson StylesDawson StylesVor 19 Stunden
  • This video is too smart for me tbh.. I will have to watch it 3x and take notes to remember any of this. Lol

    J. S.J. S.Vor 19 Stunden
  • Man, thx a lot. Your video was so informative. I've never known about the difference between Europe and USA formulas)

    Valentine DmytrenkoValentine DmytrenkoVor 20 Stunden
  • WRONG, there is actually more energy in 87 than say 91 fuel because gasoline has more BTU (energy) than ethanol or other octane booster additives.

    Jerry ZJerry ZVor 20 Stunden
  • Have you ever tried NOS energy drink as fuel? It's better then the 93. lol

    Eric WilliardEric WilliardVor 20 Stunden
  • Free tip, Silver gas at Shell, and at most places is actually a blend of Gold and bronze, so you can get the free cleaning just by using silver. Otherwise they would need 3 different tankers, delivering, and 3 tanks underground, this way they only need 2 tanks, and 2 deliveries.

    Kevin PereiraKevin PereiraVor 21 Stunde
  • 87,89 and 93? Is this common? In Finland we have 95 and 98. Why?

    Banaanipässi FINBanaanipässi FINVor 21 Stunde
    • Oh, pressed play and 30 seconds in I got the answer. Thanks.

      Banaanipässi FINBanaanipässi FINVor 21 Stunde
  • $3.87 a gallon of regular in Los Angeles

    Bill RoadsBill RoadsVor 22 Stunden
  • I had heard that 87 and 89 octane were both 87 and they just pay the fine when busted.

    Al MullenAl MullenVor 23 Stunden
    • Yup i hear they put extra low grade from delivery into the 89 tanks

      Stephen RayStephen RayVor 7 Stunden
  • Ethanol has less potential chemical energy in it. Theoretically an engine can get higher mpg if no ethanol is added. for other engines, it makes no difference.

    Eitan TalEitan TalVor Tag
  • Does altitude factor in as much as people say?

    OpenG73OpenG73Vor Tag
  • What kind of fuel do I use for a Yamaha 50 hp

    hype_ kickshype_ kicksVor Tag
    • Out bord

      hype_ kickshype_ kicksVor Tag
  • My friend put 116 octane in his car to make it go faster. It dissolved the rubber hoses in his fuel lines. Had to replace them all.

    no1bandfanno1bandfanVor Tag
    • Was the car tuned to use 116?

      ChrisFixChrisFixVor Tag
  • how about non-ethanol ? i've been putting that in lately...

    FloridaGregFloridaGregVor Tag
    • Expensive. Best used in small motors. Use it if you can afford it...

      Will PackWill PackVor 12 Stunden
  • Great video! What are your thoughts on aftermarket fuel injector cleaners? And things like adding Heet in the winter time?

    LewisTolkienFan01LewisTolkienFan01Vor Tag
    • I have a whole playlist on injector/fuel system cleaners, check it out: de-visions.com/wow-PLvKbarVtwhUue-xwasd2WUMrkK0CEm6yy

      ChrisFixChrisFixVor Tag
  • best part of this video 0:16

    J YJ YVor Tag
    • It was a lot of work getting that shot!

      ChrisFixChrisFixVor Tag
  • Should have actually tested octane, you'll get crossover gas when you put 3 types through one nozzle

    Nathan ReimerNathan ReimerVor Tag
  • This was a great video.

    Aussie Dual SportAussie Dual SportVor Tag
    • Thanks a lot!

      ChrisFixChrisFixVor Tag
  • I was afraid you would say something else :) Good advice !

    btchardbtchardVor Tag
    • Thanks a a lot!

      ChrisFixChrisFixVor Tag
  • So what is the best aftermarket fuel cleaner?

    Nothing Too SeriousNothing Too SeriousVor Tag
    • I have a whole playlist on fuel cleaners, check it out: de-visions.com/wow-PLvKbarVtwhUue-xwasd2WUMrkK0CEm6yy

      ChrisFixChrisFixVor Tag
  • I just make a “Suicide Soda” and put a shot from each type of ethanol and diesel. My car goes Berzerker and once did a backflip going 60 MPH on the highway.

    Jason C. RochonJason C. RochonVor Tag
  • Electricity

    Aanthanur DCAanthanur DCVor Tag
  • Professional Mechanic here with decades of performance knowledge and watched a lot of this guys videos and usually disagree with a lot of what he says but watched this video and pretty much the content is surprisingly spot on with exception that if you have a regular car that should be using 87 octane and dump shit you decides to run racing fuel instead not only are you dumping a shit ton of money down the drain you are also going to be making less power because you are cooling combustion temps below manufacturer specs and possibly gumming the internals up with unburned deposits .. spending a lot of money to go slower in the process

    Griffon 327Griffon 327Vor Tag
  • the owners manual will tell you the recommended fuel grade

    gippygipmggippygipmgVor Tag
  • Premium all the time in my Hummer.

    Joseph BuchananJoseph BuchananVor Tag
  • DO NOT USE YOUR PHONE OR CAMERA NEAR THE PETROL PUMP !

    I want ps4I want ps4Vor Tag
  • In Wisconsin we have an 88 octane with 15% alcohol and cheaper than 87 octane with 10% alcohol. The pumps say only for cars newer than 2005 (I have a 2007 Saturn Ion). I tried one tank of this stuff, and before I refilled, it melted my flex pipe (it was a crappy, stock, flex pipe) by burning too hot. Or it could of been a coincidence.

    Josh GuyetteJosh GuyetteVor Tag
  • So I sat for 15mins for you to tell me I can look at a manual

    YPGx SmokeYPGx SmokeVor Tag
  • I'm a chemist and have worked in a lab testing gasoline and diesel. This is for the protection of the consumers in our state. I'm pretty sure most states have a lab to do this. Most of the information in your video is correct and very useful. Thank you for making sure to emphasize the octane rating you see at the pump is NOT the energy content of the gas. It's all pretty much the same between 87 and 93, unless of course it has a higher percentage of ethanol (Uh can we say E-85? why would someone run this fuel 🙄). Ethanol will decrease the amount of energy in the gasoline, but it's added to make the gasoline burn cleaner and is good up to 10%. Something you didn't emphasize enough though is what "octane rating" actually is. It is NOT the amount of octane in the gasoline. There is little to no octane actually in gasoline (octanes are eight carbon hydrocarbons). The octane rating is the "equivalent amount of octane" in the fuel so that will resists knocking as if it contained that percent of octane. Gasoline is mostly made up of mixtures of toluene, and xylenes. If you ran pure toluene as your gasoline, you'd be getting about a 110 octane rating, but this wouldn't necessarily be good for your engine. When gasoline is made, the manufacturers control the mixture of hydrocarbons to get a clean burn and the proper vapor pressure (vapor pressure is the pressure of the vaporized gas above the liquid, not to be confused with the engine pressure). Also the gasoline must be protected from oxidation (this is why you add fuel stabilizer when storing for a long time) and contamination like water or particulates. Every brand of gasoline has slightly different proprietary ingredients to do this (as you've said at about 6 minutes). Also, the time of year will dictate what vapor pressure the gasoline manufacturers must make the gasoline to deliver to the consumer. Forget octane boosters. A pint of octane booster won't raise the octane rating of a full tank of fuel enough to make a difference. If you have a high performance engine that's been engineered for high compression, you're going to know you need a higher octane rated fuel. You aren't going to hit that 87 button. Are you?🤔 By the way, most mid-grade pumps, mix (in the pump itself) two parts of 87 with one part of 93 to get 89. But if you look at the price per gallon, they usually give you the "mid-price" between 87 and 93 for the 89. You'd be better off cost wise, by pumping 10 gallons of 87 and 5 gallons of 93 if you really want 89. I suppose mixing it well enough in the tank might be problematic for the first few miles. Really, you didn't need the 89 anyways. Octane Rating Tests Explained: One more thing you didn't explain well was how we get the octane rating in the USA. Yes RON stands for Research Octane Number. It refers to an actual test engine and ASTM method D-2699 for testing the octane rating of spark ignition fuels. My lab uses a RON called a Waukesha RON engine. It varies the compression of the cylinder to make the fuel knock while holding other variables at constant values (temperature, fuel/air mix, engine speed, etc). There is another test engine my lab uses, it's called a MON or Motor Octane Number engine and ASTM method D-2700. It too is a Waukesha engine that varies the compression of the cylinder but holds those variables at different values, mostly the engine speed is faster on the MON (900 rpm instead of the RON's 600 rpm), but I believe the inlet temperature of the RON is also kept higher. The RON and MON tests give slightly different results for octane rating due to the differences in these other variables. MON is always lower than the RON, by about 10 octane ratings if I remember correctly. In the USA, when you see the (R + M)/2 on the pump's octane rating label, it's telling you that the gasoline is rated by testing by both the RON and MON methods, and the final number you get is the average of the two test results. I rarely hear this average referred to as "PON", but I know it's not PUMP Octane Number. I had to look that up and if you want to trust Wikipedia it stands for "Posted Octane Number". In Europe, they only test with the RON method, as you've said, so this is why their octane ratings are higher. They don't have the lower MON test averaged into their octane rating. Great information in your video for all consumers. I gave it a thumbs up. 👍

    Mark BissonMark BissonVor Tag
    • HOw could a person consumer toluene? Is it contained in alcohol?

      ThunderLipsThunderLipsVor 4 Stunden
  • Instructions unclear: I now have gas sloshing around and making me dizzy in the back of my electric car and range didn't seem to go up

    Todd PetersonTodd PetersonVor Tag
What is the BEST Fuel to Use in Your Car or Truck and WHY