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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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 9 Monate
    • Like it??? I freaking love it. Chris You rock

      Afsana IslamAfsana IslamVor Monat
    • Thanks for your videos, but guess what I bought my brand new car 5 years ago and I’ve fillings in it 89, just recently and by accident I noticed that I must use 93😅 but I ignored it and kept using 89!! But after watching your video I will use 93👍🏻to clean the valves and pistons! Thank you Chris ❤️

      Bu SaifBu SaifVor Monat
    • Hey I know the gas station looks familiar

      Final TimeFinal TimeVor 2 Monate
    • tell me . which pump station do not have auto stop at the petrol/gas pump nozzle ?

      Pak BusuPak BusuVor 2 Monate
    • Hm EU only has 95 aka American 89 octane as regular. We don't have lower ones. I wonder why that is. Why you have even lower option and we don't. Are there some different engine specifications? or what is going on?

      matrixfullmatrixfullVor 3 Monate
  • When you live in a country where there is diesel,soler or 95

    dalord tachankadalord tachankaVor 38 Minuten
  • Ok bro quick question so is it cool if i fill up on premium even if my car takes regular every once in a while just to give it a quick cleanse?

    Diety Of ValorDiety Of ValorVor 55 Minuten
  • Been running premium on my wife's Toyota Prius since she got it back in 2011, should still need to add an additive every so often? I do add an additive to my old 02 Expedition every oil change and been running on 87 gas always

    1 with a J1 with a JVor Stunde
  • What about running other types of gas in an E-85 is there any use is there better mileage etc?

    Ludicrous End 6Ludicrous End 6Vor Stunde
  • So she’ll is the best gas?

    anthony nicholsanthony nicholsVor 2 Stunden
  • Would you suggest using things like seafoam to clean gunk out of engines? Does the stuff really work?

    Greg HuttoGreg HuttoVor 3 Stunden
  • So for a vehicle that says premium recommended, would it be okay to switch it up. My girlfriend has an Acura TSX and it's premium recommended but she switches it up.

    pokemon32666pokemon32666Vor 4 Stunden
  • Rupanya RON95,RON97 and RON100 di Malaysia masih kira murah.hahahahaha. I almost cried when I saw the price number of your fuel.

    Bendly LasuminBendly LasuminVor 4 Stunden
  • thought my guy was having a stroke when he was saying "additive" around 6:00

  • so my car is 20 years old and i have never checked nor replaced the valves and fuel injector, should i change them as soon as possible ? my car ford crown victoria 2000

    z xiievilzz xiievilzVor 5 Stunden
  • 87 Octane baby! I'd use 85 if they sold it (i'm at high elevation)

    Alex RademacherAlex RademacherVor 6 Stunden
  • Theres no aditives in fuel gas is made crappy ethinol doesnt help anything

    russell leahyrussell leahyVor 6 Stunden
    • Thanks for sharing!

      ChrisFixChrisFixVor 6 Stunden
  • Very good Video, lots of effort. Greatings from Germany.

    Peter23JettaPeter23JettaVor 7 Stunden
    • Thanks a lot and thanks for the support from Germany!

      ChrisFixChrisFixVor 4 Stunden
  • My mans got them trump hand gestures lol

    James JarrettJames JarrettVor 7 Stunden
  • E-15 fuel?

    Dylan DeVilleDylan DeVilleVor 8 Stunden
  • What is that word he's saying, additives?

    RichRichVor 8 Stunden
    • Correct!

      ChrisFixChrisFixVor 3 Stunden
  • sooo cheap 2.9 a gallon i wish

    Mr-Smith2uMr-Smith2uVor 8 Stunden
  • 93?? lowest quality you can get in most Europe is 95, going up to 98 as standard and 100 octane as premium

    Pavel BerkyPavel BerkyVor 12 Stunden
  • how come in europe there are only 95 and 98 octanes? long time ago there was 91 but that is now long gone... does that mean we have more clean and quality (and more expensive too) stuff here???

    al birdieal birdieVor 13 Stunden
  • In Malaysia we use 95 and 97 daily.

    Jai HamzahJai HamzahVor 13 Stunden
  • TLDW: Most Cars: Regular (87) Premium Recommended: Plus (89) Premium Required: Premium (93)

    wilmer007wilmer007Vor 15 Stunden
  • e-85 is the super sauce for our k-swapped honda turbo machines! yeeeaaaahhoooooo!

    Joe FergusonJoe FergusonVor 16 Stunden
  • I got 87 for recommendations

    H1dden SomewhereH1dden SomewhereVor 16 Stunden
  • Dude he Lyin gas is blu

    RecipeRecipeVor 16 Stunden
  • i like it how when you go through all of your cars, it kinda looks like youre selecting your car in a racing game

    Angel LeonardAngel LeonardVor 17 Stunden
  • i use 91 non ethanol gas, whats ur take on ethanol free gasoline?

    Larry SmithLarry SmithVor 17 Stunden
  • No matter what there still leftover fuel of w.e the person used

    MX23riderMX23riderVor 17 Stunden
  • Regular on my Nissan...before my BMW V-Power

    Mini SurfMini SurfVor 17 Stunden
  • at 12:25 chris says one might get a " little more power." Why? didnt he mention all grades resulting in equal power? Did I miss something?

    pongo and milapongo and milaVor 17 Stunden
  • What about E85?

    Anthony ReyesAnthony ReyesVor 18 Stunden
  • Great video.

    Nikki JNikki JVor 19 Stunden
  • Super only for all engines runs cooler less spark nock better economy

    Paul KenneyPaul KenneyVor 19 Stunden
  • No matter what is said...we both know we're gonna keep using regular💀😂

    The RxckstarThe RxckstarVor 21 Stunde
  • Serious question, did circling the dark spots in red take a lot longer than you wanted it to?

    Fresh M3Fresh M3Vor 21 Stunde
  • Dang this quarantine is making me smarter about cars

    Owarks MaroOwarks MaroVor 22 Stunden
  • This is not a scientific comment and could be wrong. I put Premium in my low grade recommended 4 cylinder Korean Car. Drove about 2000 miles and my catalytic converter burned out and had a sputter noise until I replaced it. It is best to use what is recommended. European and Asian fuel is about $4.44 dollars per gallon but is sold by the liter as a side note. His examples are extreme but he has good information.

    PASTExPASTExVor 22 Stunden
  • I have a 2014 Chevy Cruze turbo diesel so this vid doesn’t apply! 🤣😂😘

    Disgruntled VeteranDisgruntled VeteranVor 22 Stunden
  • wtf her in Denmark vpower is 98okt and som other have 100okt. i

    André AndersenAndré AndersenVor Tag
  • Failed on the truck and the “muscle car” 😹

    IPokeEyesOutIPokeEyesOutVor Tag
  • my car needing premium 👁👄👁

    REVERSE 9696REVERSE 9696Vor Tag
  • E85 :) norway

    Funny MoviesFunny MoviesVor Tag
  • This man wearing a motorcycle helmet in a mustang to a gas station

    Zach AlverezZach AlverezVor Tag
  • E-85? You mean...race fuel?

    Irvin GonzalezIrvin GonzalezVor Tag
  • At the end of it all "use the manufacturer's recommendation" 😆😆😆

    Max PeterMax PeterVor Tag
  • Is this video sponsored by Shell, or do you just recommend the hell out of them? If they sponsored you, you have to tell us by law, if not, it'd be good to know that you genuinely recommend their gas by telling us you're not sponsored. So many people hide when they've been sponsored or not, so it's hard for me to take any recommendation seriously when I don't know whether or not you've been sponsored.

    Zack EgglestonZack EgglestonVor Tag
  • In my scooter 93 only higher performance needs 90 or above octane

    gulf city nicholas dancagulf city nicholas dancaVor Tag
  • Malaysia got 95 for regular and 97 for power..

    Andy TulubayAndy TulubayVor Tag
  • I have a 96 Pontiac Firebird, it runs fine on regular, but would it be ok to put a lil bit of preuim or mid grade gas to help clean the engine and such? opinion and advice please... ChrisFix.

    Jer KJer KVor Tag
  • My old van had a reco head and I didn't realize the head was shaved, used lower grade fuel and you guessed it ,, Cracked Head Gasket

    Data GlassesData GlassesVor Tag
    • @ChrisFix That comes on top of the van's driver mirror getting stolen and when I got a new one, I also grabbed a radiator cap .. blew out the welch plugs whilst stuck in traffic on a stinking hot day ....$2,200 later ..

      Data GlassesData GlassesVor 20 Stunden
    • Darn!

      ChrisFixChrisFixVor Tag
  • My suburban recommends regular but 89 when towing - if the energy content is the same, why does it matter???

    Austin TeeceAustin TeeceVor Tag
    • That’s very cool. I wonder what changes in the power train? Does the motor advance its timing? And how does the ‘burban even know what’s in the tank???

      Austin TeeceAustin TeeceVor 12 Stunden
    • For your case, your suburban can take advantage of the higher octane and you should be able to get a improvement in power and fuel economy for towing!

      ChrisFixChrisFixVor Tag
    • If it says recommends 89 when towing, you can still technically use regular... If it says required, use 89.

      ShiningJudgment666ShiningJudgment666Vor Tag
  • Great info! So appreciated

    Mrs Tamara Jason CarrMrs Tamara Jason CarrVor Tag
    • I'm glad the info was helpful!

      ChrisFixChrisFixVor Tag
  • Guess I'm sticking to regular on my 85' d350 😂

    Payton H.Payton H.Vor Tag
  • Is 87 octane with 10% ethanol bad?

    Jeremiah JohnsonJeremiah JohnsonVor Tag
  • In australia 91 is standard, then we have 95 which is mid level and 98 which is premium.

    Rebel RobRebel RobVor Tag
    • @ChrisFix yes. Just highlighting what we call them. Can see why others are confused because i certainly was at one stage

      Rebel RobRebel RobVor Tag
    • Did you watch the video?

      ChrisFixChrisFixVor Tag
  • Time to sea foam that ranger

    Peter RobinsonPeter RobinsonVor Tag
  • ANSWER: the lowest octane you can without pinging, unless your owner's manual states a range is possible and the engine will only produce max rated power with premium, then use whatever suits your needs.

    Some DudeSome DudeVor Tag
  • I disagree, octane is not flammable thus knock resistant, so less flammable = less energy

    SouthFlaDiverSouthFlaDiverVor Tag
    • Cars that can take advantage of higher octane can burn it at a higher pressure and temperature, so more of the heat energy gets converted to mechanical power. Every grade of fuel has the same amount of energy, some cars can take advantage of that better than others!

      ChrisFixChrisFixVor Tag
  • You said you heard engine combustion in your pickup while driving on the highway, what sounds do you listen for to tell?

    Megan MillerMegan MillerVor Tag
    • It sounds like a "knock" or even a "pinging"!

      ChrisFixChrisFixVor Tag
  • Wow $2.95/gal! Gas in Hawaii used to be almost $5/gal before the pandemic. 😩

    ϯհε_C L I N Tϯհε_C L I N TVor Tag
    • That's crazy!

      ChrisFixChrisFixVor Tag
  • What’s the difference between octane and ethanol?

    Gerardo RamirezGerardo RamirezVor Tag
    • Octane is used to measure resistance to ignition in fuel, and ethanol (which is basically alcohol) can be used as fuel in cars, and it has a higher octane than most fuels!

      ChrisFixChrisFixVor Tag
  • Back in college, I had an old VW Jetta. I needed to run premium to avoid knocking in the summer. Octane "prevents" knocking. A knock sensor stops knocking. The knock sensor did work in the car, but it took a good half second for the timing to get pulled enough to stop the knocking on hard acceleration.

    umeng2002umeng2002Vor Tag
    • Thanks for sharing!

      ChrisFixChrisFixVor Tag
  • So Shell gas only has this powerful additives in their gasoline? 🤔

  • so is it safe to assume that in ultra hot weather...like 110'F... you can actually help the car by putting higher octane in the car?

    Caleb SandersierCaleb SandersierVor Tag
    • @Caleb Sandersier Dunno what car you have but, for example, my brother's FJ cruiser with the last gen 4.0 says it will produce its "rated power" on premium but can utilize 87 just fine, so this answer has gotten more grey in recent years. Used to be, you were best off with the most volatile (lowest octane) fuel your vehicle could use without preignition - but now we see more sophisticated engine systems that can "get by" on cheaper gas AND make proper use of premium, which is illustrated most clearly by Flex Fuel vehicles.

      Some DudeSome DudeVor Tag
    • ChrisFix thanks for the response. I was just curious. I was driving yesterday and at a long stop light. My intake air temperature rose to like 140’F. When i took off i swear I heard a bit of ping. I saw my timing number pretty low, so im assuming the ecu was compensating. I have a full obd readout on my center console, fyi. My car is supposedly 9.8:1 compression so not terribly high but not low either. I might try putting 91 in later on and seeing if the timing goes up at all. Thanks again for your reply. 😌

      Caleb SandersierCaleb SandersierVor Tag
    • @ChrisFix Well...if the car is pinging, going higher WILL help it...prolonged usage without a need for it will cause carbon buildup (higher octane burns cooler and slower) and therefore WILL harm it...eventually.

      Some DudeSome DudeVor Tag
    • If your car isn't designed for it, you won't see a lot of benefit from it! It won't help anything, but it also won't hurt anything!

      ChrisFixChrisFixVor Tag
    • Yes, if the heat causes pinging. Higher octane fuel burns slower and cooler.

      Some DudeSome DudeVor Tag
  • Chris thanks for bulgarian subtitles

  • i know my car will run on 87 which is the recommended but with my cai & high flow exhaust i get better power and mpg's with 90. sadly enough 90 is the highest you can get here in alaska idk why it's kinda bs since my toy is turbocharged and would love to get 93 for it!!!

    Ru TecRu TecVor Tag
  • Diesel works best on gas cars. Your welcome in advance!

    Sentry ChoateySentry ChoateyVor 2 Tage
  • What if the engine in your truck is not the original engine

    Eric GuerreroEric GuerreroVor 2 Tage
  • Hint for diesel users off-road diesel gas is way better for a diesel engine you can find them at certain stores....but, highly illegal to use in a truck lol

    BoOsTeD BoIBoOsTeD BoIVor 2 Tage
  • The higher the octane the more power you get. That's been proven. Why performance cars get a higher hp rating with higher octane fuels and why some even use octanes that are over 100. Also vehicle manuals will tell you what octane your car accepts or you'll damage the engine. My Mustang is programmed for 87, but I can change the program to be higher. If you're user manual says to use 87, you shouldn't use anything else.

    Andrew ChristiansonAndrew ChristiansonVor 2 Tage
    • No...wrong. More power isn't a result of higher octane, higher octane is specified for more powerful engines. You misunderstand the cause and effect.

      Some DudeSome DudeVor Tag
What is the BEST Fuel to Use in Your Car or Truck and WHY