If You Buy This Type of Fuel You’re Stupid

  • Published: 16 October 2019
  • If You Buy This Type of Fuel You’re Stupid, DIY and car repair with Scotty Kilmer. Premium gas myth busted and premium gasoline vs regular gas. Which type fuel you should buy for your car. 93 octane vs 91 octane vs 87 octane. Don't waste your money on expensive premium gasoline because your car probably doesn't need. Gasoline myths versus facts. Car advice. DIY car repair with Scotty Kilmer, an auto mechanic for the last 52 years.

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Comments • 2 234

  • Scotty Kilmer
    Scotty Kilmer   4 weeks back

    This Illegal Mod Will Make Your Car Run Better: https://youtu.be/S2KMIqx4zhU

    ⬇️Scotty’s Top DIY Tools:
    1. Bluetooth Scan Tool: http://amzn.to/2nfvmaD
    2. Mid-Grade Scan Tool: https://amzn.to/33dKI0k
    3. My Fancy (Originally $5,000) Professional Scan Tool: https://amzn.to/31khBXC
    4. Cheap Scan Tool: https://amzn.to/2D8Tvae
    5. Basic Mechanic Tool Set: https://amzn.to/2tEr6Ce
    6. Professional Socket Set: http://amzn.to/2Bzmccg
    7. Ratcheting Wrench Set: https://amzn.to/2BQjj8A
    8. No Charging Required Car Jump Starter: https://amzn.to/2CthnUU
    9. Battery Pack Car Jump Starter: http://amzn.to/2nrc6qR

    ⬇️ Things used in this video:
    1. Common Sense
    2. 4k Camera: https://amzn.to/2HkjavH
    3. Camera Microphone: https://amzn.to/2Evn167
    4. Camera Tripod: https://amzn.to/2Jwog8S
    5. My computer for editing / uploading: https://amzn.to/2uUZ3lo

    🛠Check out the tools I use and highly recommend ► https://goo.gl/rwYt2y

    🔥Scotty Shirts and Merch ► https://goo.gl/pTAeca

    Subscribe and hit the notification bell! ► https://goo.gl/CFismN

    Scotty on Social:
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    • Jose Medina
      Jose Medina  6 days back

      It's kind of like dr. Pepper Nobody Knows the secret ingredients

    • Patrick Lowney
      Patrick Lowney  2 weeks back

      Scotty we had basically the same kind of upbringing my dad owned two stations when I was a kid we were exposed the world of mechanical maintenance. I have been working on cars and trucks as long as you have been working on them. Keep up the good work. God bless you.

    • Jin Jin
      Jin Jin  3 weeks back

      then why does my car engine feel like it is running better and more powerfully on high grade gas ? than regular grade ?

    • matty t
      matty t  4 weeks back

      @Rovid Bouski I also have a yr 2001 E55 AMG and I'm not putting no 87 or 89 octane in it when the tank clearly says 91 octane only.

    • matty t
      matty t  4 weeks back

      No no no scotty if I use the 87 gas in my yr 2000 maxima the car is hard to start and even cuts off or the idle dips sometimes when I stop at stoplights. It never does it with 89 octane

  • Tony Hampton
    Tony Hampton  1 hours back


    • my2centz
      my2centz  5 hours back

      That's just stupid lol. Food stuff you put into your body has to be labeled according to the FDA for many reasons. Fuels have regulations also to make sure their safe for your vehicle and environment to an extent anyway.

      • Chapter 7
        Chapter 7  1 days back

        This dude running on 94 high octane fuel

        • Paul Thomas Shepherd
          Paul Thomas Shepherd  1 days back

          I drive a mint 1999 Lincoln and a 2013 Dodge Caravan. Both cars run well on 87 octane but both cars gain approximately 3 miles more per gallon on the higher grades or 50 extra miles per tank. The car also labors less on the higher octane.

          • W D
            W D  2 days back

            the congressional meeting picture is so hilarious 😄😄😄

            • Aaron Arevalo
              Aaron Arevalo  2 days back

              Neo "I know Kung-Fu"...Scotty "I know arms flailing explain-fu"

              • Henry Zavala
                Henry Zavala  4 days back

                What type of gas should I use for a 2014 3.7 infinity Q50 RWD?

                • CouldBawake
                  CouldBawake  5 days back

                  5:53-5:55 you welcome

                  • Branden
                    Branden  6 days back

                    My 03 Avalon recommends premium. I ran regular for the first few months of owning the car and then did a full tank of premium. My car runs and sounds much much better when I use premium so that’s now all I use.

                    • Albert M. Santos
                      Albert M. Santos  6 days back

                      100% true and agree... Waste money and alot of people they dont know about this.

                      • Aaron Sullivan
                        Aaron Sullivan  6 days back

                        4:45 fat cat for the oil company lmao

                        • Aaron Sullivan
                          Aaron Sullivan  6 days back

                          What about no ethanol

                          • Kirk Mooneyham
                            Kirk Mooneyham  6 days back

                            Scotty did hit on one thing talking about that modern, turbo-engined Mustang. A lot of the turbo engines have a program to run on 87 octane gasoline without damaging the engine. However, there is an accompanying loss of power with that program. At higher octane levels, they switch to a different program, which "gives you your power back". Basically, the power you paid for is what it can do with the higher octane gas, with the side ability to run the cheaper stuff. I drive a car with a modern turbo engine, and can tell a difference between 87 and 89 octane fuels, but no difference when moving up to 91. So, the programs seem to switch between the two based on that little bit of octane difference.

                            • Air Repair
                              Air Repair  7 days back

                              I have had 4 vehicles before my Camry. I used Premium or Mid Grade. If I ran the Regular my vehicles would keep on running when shut down. The higher Octanes did not do this.

                              • hall6488
                                hall6488  7 days back

                                My 1986 Toyota pick up truck Knoxs like a SOB On regular unleaded

                                • daniel spell
                                  daniel spell  1 weeks back

                                  When you put "special " gas
                                  In your car it's like super Mario
                                  When he gets the power star

                                  • Terry Newell
                                    Terry Newell  1 weeks back

                                    Scotty love your videos do ever stop for air ?

                                    • Shemuel Israel
                                      Shemuel Israel  1 weeks back

                                      87 gas will damage your engine if it's designed for 93 gas.

                                      • paul dewar
                                        paul dewar  1 weeks back

                                        Geez, that engine bay is filthy!

                                        • SonnyGTA
                                          SonnyGTA  1 weeks back

                                          Scotty. Just ask Hunter Biden, he knows alllll about this! BWAAAA HAAAAA HAAAAA

                                          • Jeff Carr
                                            Jeff Carr  1 weeks back

                                            87 winter 89 summer 93 Saturday nights for wot. Scotty is out of his league lol

                                            • Jeff Spehar
                                              Jeff Spehar  1 weeks back

                                              Most Turbo require premium. Also, remember to use Top Tier gas is a good ideo for GDI engines. (Shell, Sunoco, Marathon, BP,etc. Google it.)

                                              • Alan Honey
                                                Alan Honey  1 weeks back

                                                Years ago I had a BMW. Shell V MAX was the only fuel that cured carburettor icing. That's history though. Modern cars don't need it. Silkolene FST did the same job @ more cost

                                                • Dmitri Juarez
                                                  Dmitri Juarez  1 weeks back

                                                  What About That Exxon Mobil? It's Gonna Be The Next Big Thing In Fuel!

                                                  • pinche Longero
                                                    pinche Longero  1 weeks back

                                                    I got "00" toyota avalon..what should I use?

                                                    • Subee Squad
                                                      Subee Squad  1 weeks back

                                                      Cleaning agent = ethanol = e85 So

                                                      • indemniman 162
                                                        indemniman 162  1 weeks back

                                                        My F150 5.4L runs better on higher octane ethanol free fuel, much better.

                                                      • Louis of Sur de Texas LHTAS

                                                        One thing is what you say! but you have treated the same engine over long distances such as 2000 miles in descents or ascents of the roads. I used it and if I see any difference BUT THAT was my experiment. 20 years ago and and I do it every 5 years. and what do you think.

                                                        • Louis of Sur de Texas LHTAS

                                                          I would like you to talk about 4 times of internal combustion. in a VVT engine. I know you know a lot of mechanics. And this is just the principles of engines. I always wanted to know that about you. Master

                                                          • Domenico Pasquarelli
                                                            Domenico Pasquarelli  2 weeks back

                                                            Actually my stihl mix oil recommends minimum 89 octane gas. Honestly I use 93 because I love my stihl and understand that I'm mixing has and oil so higher octane is necessary. Otherwise I run 87 in my cars. Although my older cars do run better on premium, I'm talking 70s and older

                                                            • Sai Bea5t
                                                              Sai Bea5t  2 weeks back


                                                              all fuels comes from hell

                                                              • Bob Brown
                                                                Bob Brown  2 weeks back

                                                                I heard a rumour the Celica needs AvGas to run 😃

                                                                • dheasley2
                                                                  dheasley2  2 weeks back

                                                                  Mid grade is what my hemi calls for.

                                                                  • Troll With A Purpose
                                                                    Troll With A Purpose  2 weeks back

                                                                    Everyone else - run the mid grade or high octane in the winter for better starts
                                                                    me - only run 89 in the summer because that's when it developed a little spark knock in hot weather or in truck when hauling

                                                                    • gacho garcia
                                                                      gacho garcia  2 weeks back

                                                                      Stupid is what stupid does. Why does my 85 olds run better and smoothly with 91🤷‍♂️

                                                                      • Laserlite 3000
                                                                        Laserlite 3000  2 weeks back

                                                                        They don't make an 89 octane. Only 87 and 91. The 89 tank is used to dump left over fuel in.

                                                                        • Topspeed350
                                                                          Topspeed350  2 weeks back

                                                                          Colon blow 😂🤣

                                                                          • Quinton Wilson
                                                                            Quinton Wilson  2 weeks back

                                                                            Mid-grade is good for an engine with lots of carbon buildup to help it stop pinging as it ages. Limited use, but cheaper than premium I guess.

                                                                            • Jeffrey Gismondo
                                                                              Jeffrey Gismondo  2 weeks back

                                                                              So the oil companies admitted that they were acting in an anti-competitive way... And I thought cartels were illegal.

                                                                              • RellyOhBoy
                                                                                RellyOhBoy  2 weeks back

                                                                                Mid-grade gas is like semi-synthetic motor oil...It exists for dumb people that cant make up their minds.

                                                                                • John 1984
                                                                                  John 1984  2 weeks back

                                                                                  My first car was a 1984 Oldsmobile 98 recency. I had to put the high test gas in it. If I bought the regular, it would pre-ignition after the key was shut off.

                                                                                  • John 1984
                                                                                    John 1984  2 weeks back

                                                                                    My oldest brother used to pull a fuel tanker. Plus or mid grade is a mix of the regular and high test gas.

                                                                                    • Lightspeed Retro
                                                                                      Lightspeed Retro  2 weeks back

                                                                                      I used to think having a barking dog next door was crazy....

                                                                                      Now I got a scotty. :)

                                                                                      • George Pappas
                                                                                        George Pappas  2 weeks back

                                                                                        87 is for lawnmowers

                                                                                        • Anthony Baxton
                                                                                          Anthony Baxton  2 weeks back

                                                                                          Scotty moves his hands like he's in a rap video

                                                                                          • Craig Hudzinski
                                                                                            Craig Hudzinski  2 weeks back

                                                                                            My bmw says to put in 93 should I put 110 in just to be safe and gain 200hp or mabe 50hp at least rite?

                                                                                            • Daniel Finch
                                                                                              Daniel Finch  2 weeks back

                                                                                              Regardless if you need it, I get an extra 80-100 miles from a 99 octane petrol compared to the standard 95 octane.