Eco boost premium gas? | Ford Mustang Ecoboost Forum in this thread in this sub-forum in the entire site Advanced Search Cancel Login / Join What's New Forum Listing Marketplace Showcase Gallery Advanced Search Members FAQ Dark Mode Menu Log in Register Home Forums Ford Mustang EcoBoost Forum Mustang EcoBoost Discussions Eco boost premium gas? Jump to Latest Follow JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. 1 - 20 of 22 Posts 1 2 Next 1 of 2 Go to page Go Trev · Registered Joined 8 mo ago · 1 Posts Discussion Starter · #1 · 8 mo ago Only show this user Hi I’m thinking about purchasing a 2017 mustang eco boost premium. does it take regular unleaded? Save Share Reply Quote Joshua Iiams · Registered Joined Oct 17, 2018 · 1,754 Posts #2 · 8 mo ago Only show this user You can fill 87 octane gas in any year Mustang EcoBoost and it will run just fine. 93 pump gas is recommended to get the most performance out of a stock EcoBoost. Reactions: journeyTT1947, johnnybee and Coyote Chaser Save Share Reply Quote zhent · Administrator Joined Apr 10, 2017 · 3,868 Posts #3 · 8 mo ago Only show this user What Joshua said. 87 Octane "regular" gas will decrease the power output of the engine, but it'll run on it. 2017 Lightning Blue Ecoboost PP Steeda - Eibach - Mishimoto - SVE Wheels - Firestone/Bridgestone - Cervinis - Turbosmart - Diode Dynamics - CP-e - GoFastBits - Maximum Motorsports - Gibson Exhaust - Katskinz - Redline Accessories - Wheelskins - Tune+ Reactions: johnnybee and Coyote Chaser Save Share Reply Quote Coyote Chaser · Premium Member Joined Sep 1, 2020 · 1,899 Posts #4 · 8 mo ago Only show this user When we purchased our 2018 Ecoboost Mustang, my Wife was the primary driver and she filled the tank with 87 octane and averaged close to 30 miles to the gallon. When I drove it, I would run it in Sport mode and fill the tank with 93 octane and average 32 miles to the gallon, plus the bonus of "Smiles per mile"! The car just seemed more aggressive and fun with 93 octane. However, our Ecoboost Fusion ran on 87 octane for the first 70,000 miles of it's life with zero problems and I've just started to run 89 octane (or E15 when available) and have switched to a low sodium, low calcium motor oil in hope, to extend the life of the car and continue to be able to drive it for many years! 2018 Mustang base Coupe / 10 Spd Trans Stock Long Block w/ bolt ons / 375 CCHP TS Wastegate & Bypass/3" Downpipe/200 Cell Cat/GlassPack/Race Intercooler/Charge Pipes/Custom Air Intake/Catch Can/Data Logger/Tuned/E85 Kit/Tires/Wheels/Drag Springs/Weight Reduction (3600 lb) Reactions: johnnybee Save Share Reply Quote johnnybee · Registered Joined Jul 21, 2018 · 1,069 Posts #5 · 8 mo ago Only show this user As above. The owner's manual has a huge "87" printed on the appropriate page letting you know that you can use it, and then below buried in regular print it states that if you want better performance to use 91 or higher. John Toronto, Ontario 2018 Premium convertible, 201A w/A10 Save Share Reply Quote Strokercrate · Registered Joined May 18, 2020 · 513 Posts #6 · 8 mo ago Only show this user 87 is minimum octane for the Eco. But i will add. While not the Mustang Ecoboost. A friend has an edge and he was telling me how it seemed to be bucking and hesitant at times especially when accelerating. I hooked up my live scan tool and we road around. It was knocking something fierce and having huge ignition corrections. I asked him what fuel he has been running he stated 87 per dealership. I encouraged him to atleast run 89 preferably 91+. He filled witha tank 91 it cleared up and has been running 89 since with no problems. This wasn't a case of a single bad fill of 87 or a bad station. He said it was happening for weeks and filling up wherever he was and needed to. While the requiremented minimum is 87 and many have ran it perfectly fine. I personally wouldn't as there is that off chance yours won't like it as his didn't. As always with vehicles YMMV Reactions: johnnybee Save Share Reply Quote Buldawg76 · Registered Joined 9 mo ago · 1,051 Posts #7 · 8 mo ago Only show this user My 2019 Edge ran just fine on 87 for 23,000 miles, but now that I traded for a 2020 mustang eco it gets fed 93 only. I may try 87 just to see the differences one day. BD 2020 Rapid Red eco premium, MBRP race cat back, K&N panel filter in stock box with GT inlet resonator & AFE intake tube, CVFab black street IC, TB spacer & black charge pipes wrapped in black header wrap, 15/17 BPV with GFB DV+ kit, JLT catch can with UPR 100 psi check valve 2" from intake connection & stock PCV still functional, UPR one way breather oil fill cap replacement, FP strut tower & K brace, Steeda Stop the Hop starter kit & IRS subframe braces, Boomba vertical links, S&R jacking rails, Left side grill diamonds opened up for ram air flow, FP tune. Save Share Reply Quote dgc333 · Registered Joined Sep 7, 2015 · 2,329 Posts #8 · 8 mo ago (Edited) Only show this user FWIW, the 2.3 Ecoboost in the Bronco is rated at 300HP on premium and 275HP on regular. Same with my Ranger. The wording in the owners manual is similar to the Mustang but it implies that Regular 87 is the fuel to use and premium can be used for added performance and for towing Sent from my motorola one 5G using Tapatalk Save Share Reply Quote Buldawg76 · Registered Joined 9 mo ago · 1,051 Posts #9 · 8 mo ago Only show this user Said the same thing in my stang manual. BD 2020 Rapid Red eco premium, MBRP race cat back, K&N panel filter in stock box with GT inlet resonator & AFE intake tube, CVFab black street IC, TB spacer & black charge pipes wrapped in black header wrap, 15/17 BPV with GFB DV+ kit, JLT catch can with UPR 100 psi check valve 2" from intake connection & stock PCV still functional, UPR one way breather oil fill cap replacement, FP strut tower & K brace, Steeda Stop the Hop starter kit & IRS subframe braces, Boomba vertical links, S&R jacking rails, Left side grill diamonds opened up for ram air flow, FP tune. Save Share Reply Quote sptfir44 · Registered Joined 8 mo ago · 9 Posts #10 · 8 mo ago Only show this user I ran my 2019 Ecoboost on 93 octane for the first month or two and then switched to 87 octane (regular) and I can't really see the difference. I drive in mostly urban and light city traffic. I think I'll just leave it there and enjoy the drive. Save Share Reply Quote Horcy1 · Registered 2017 PP MT DD Joined Mar 24, 2017 · 1,276 Posts #11 · 8 mo ago Only show this user Never put anything other then 98 in it even told the garage don't fill the tank ill do it thanks when I bought her. Infact I've never run anything less then 98 for as long as I can remember. I just see anything less is dirty. 100 is available over here in a few places and I put that in when I can. 2017 Premium PP Manual EcoBoost: Upgraded FMIC, KnN drop in filter, Airaid MIT, Roush axle backs, Cobb access port with PD custom burble tune, NKG One step cooler plugs, Ford performance bonnet struts, GT350R gear shift, GT350R steering wheel, front and rear Ford performance mud flaps. Roush side skirt fins, Exotic pony sequential rear indicators. ICE: Hertz DSK165.3 DIECI components and Hertz DCX87.3 DIECI in doors and centre dash Hertz DCX160.3 DIECI in the rear. Pioneer under seat 160W sub. Custom race strips, embossed decepticon logo, custom HORCY 1 plate. Dash Signed by Scott Mclaughlin V8 Super Car World Champion Reactions: Buldawg76 and Coyote Chaser Save Share Reply Quote Squid · Administrator Joined Nov 25, 2014 · 6,673 Posts #12 · 8 mo ago Only show this user Strokercrate said: A friend has an edge and he was telling me how it seemed to be bucking and hesitant at times especially when accelerating. I hooked up my live scan tool and we road around. It was knocking something fierce and having huge ignition corrections. I asked him what fuel he has been running he stated 87 per dealership. I encouraged him to atleast run 89 preferably 91+. He filled witha tank 91 it cleared up and has been running 89 since with no problems. This wasn't a case of a single bad fill of 87 or a bad station. He said it was happening for weeks and filling up wherever he was and needed to. Click to expand... I found the same thing with my Flex. Strange, it loves the E15 (88 RON) ... purrs like a kitten on that. DEFINITION OF "SQUID". (noun, {skw-id} US Sailor) 1. A port jumping, tail chasing, foul mouth, salty sea dog that can be found on any US warship defending freedom. Thrives on salt air, angry women and mid-rats! Build Thread Reactions: zhent, Coyote Chaser and Strokercrate Save Share Reply Quote Buldawg76 · Registered Joined 9 mo ago · 1,051 Posts #13 · 8 mo ago Only show this user Horcy1 said: Never put anything other then 98 in it even told the garage don't fill the tank ill do it thanks when I bought her. Infact I've never run anything less then 98 for as long as I can remember. I just see anything less is dirty. 100 is available over here in a few places and I put that in when I can. Click to expand... Man wish we could still get 98 or 100 here in the states. I remember back when Sunoco stations were prevalent, and you could get 100 readily. We used to have a local station here that sold 100 race fuel out of the pump, but it is long gone. BD 2020 Rapid Red eco premium, MBRP race cat back, K&N panel filter in stock box with GT inlet resonator & AFE intake tube, CVFab black street IC, TB spacer & black charge pipes wrapped in black header wrap, 15/17 BPV with GFB DV+ kit, JLT catch can with UPR 100 psi check valve 2" from intake connection & stock PCV still functional, UPR one way breather oil fill cap replacement, FP strut tower & K brace, Steeda Stop the Hop starter kit & IRS subframe braces, Boomba vertical links, S&R jacking rails, Left side grill diamonds opened up for ram air flow, FP tune. Save Share Reply Quote johnnybee · Registered Joined Jul 21, 2018 · 1,069 Posts #14 · 8 mo ago Only show this user Buldawg76 said: Man wish we could still get 98 or 100 here in the states. I remember back when Sunoco stations were prevalent, and you could get 100 readily. We used to have a local station here that sold 100 race fuel out of the pump, but it is long gone. BD Click to expand... Note, Horcy1 is in Australia, where octane is calculate differently. The 98 RON octane that he refers to is equivalent to 93 in North America. John Toronto, Ontario 2018 Premium convertible, 201A w/A10 Save Share Reply Quote Buldawg76 · Registered Joined 9 mo ago · 1,051 Posts #15 · 8 mo ago Only show this user johnnybee said: Note, Horcy1 is in Australia, where octane is calculate differently. The 98 RON octane that he refers to is equivalent to 93 in North America. Click to expand... Ok makes sense. I still remember being able to get Sunoco 260 fuel at their stations which of course was leaded gas, but it was 100 octane and only 60 cents per gallon. Gas was 25 cent per gallon when I started driving in the early 70s. It was like 10 years ago that we had one station that sold 100 unleaded at the pump for 4.50 per gallon, My 76 and 77 year model hot rodded bikes loved it and had such a sweet smell out the exhaust. BD 2020 Rapid Red eco premium, MBRP race cat back, K&N panel filter in stock box with GT inlet resonator & AFE intake tube, CVFab black street IC, TB spacer & black charge pipes wrapped in black header wrap, 15/17 BPV with GFB DV+ kit, JLT catch can with UPR 100 psi check valve 2" from intake connection & stock PCV still functional, UPR one way breather oil fill cap replacement, FP strut tower & K brace, Steeda Stop the Hop starter kit & IRS subframe braces, Boomba vertical links, S&R jacking rails, Left side grill diamonds opened up for ram air flow, FP tune. Save Share Reply Quote hiddenpants · Registered 2016 ecoboost premium Joined 11 mo ago · 145 Posts #16 · 8 mo ago Only show this user i run a minimum of 91 but i usually fill with 94 but its hard to find anything above 91 up in canada. i fill up at a gas station 30 mins away from my house because they sell 94 without ethanol 2016 ecoboost premium. ongoing oem+ build. Save Share Reply Quote Buldawg76 · Registered Joined 9 mo ago · 1,051 Posts #17 · 8 mo ago Only show this user We have 93 here everywhere and even regular 87 ethanol free at most stations. There is one place about 30 miles away that also has 93 ethanol free so when in the area I fill up there but mainly use 93 with 10% ethanol since its prevalent everywhere. We have a gran prix track close by that I can buy 110 race leaded gas for 10 bucks a gallon to use in my old hi po street bikes that are pre-emission vehicles. The KZ1000 ex drag bike loves it. Can also buy VP race fuels at local parts houses in leaded and lead free at various octane levels for off road use only of course. BD 2020 Rapid Red eco premium, MBRP race cat back, K&N panel filter in stock box with GT inlet resonator & AFE intake tube, CVFab black street IC, TB spacer & black charge pipes wrapped in black header wrap, 15/17 BPV with GFB DV+ kit, JLT catch can with UPR 100 psi check valve 2" from intake connection & stock PCV still functional, UPR one way breather oil fill cap replacement, FP strut tower & K brace, Steeda Stop the Hop starter kit & IRS subframe braces, Boomba vertical links, S&R jacking rails, Left side grill diamonds opened up for ram air flow, FP tune. Save Share Reply Quote johnnybee · Registered Joined Jul 21, 2018 · 1,069 Posts #18 · 8 mo ago Only show this user hiddenpants said: i run a minimum of 91 but i usually fill with 94 but its hard to find anything above 91 up in canada. i fill up at a gas station 30 mins away from my house because they sell 94 without ethanol Click to expand... I actually have a Petrocan (ex Sunoco) near me that still sells 94. Never put it in. I run 91 (I ran 93 at the outset of covid when it dropped to something around a buck a litre) because its ethanol free and being stock the car is happy on it. John Toronto, Ontario 2018 Premium convertible, 201A w/A10 Save Share Reply Quote johnnybee · Registered Joined Jul 21, 2018 · 1,069 Posts #19 · 8 mo ago Only show this user Buldawg76 said: Can also buy VP race fuels at local parts houses in leaded and lead free at various octane levels for off road use only of course. Click to expand... Of course😉 John Toronto, Ontario 2018 Premium convertible, 201A w/A10 Save Share Reply Quote Buldawg76 · Registered Joined 9 mo ago · 1,051 Posts #20 · 8 mo ago Only show this user johnnybee said: I actually have a Petrocan (ex Sunoco) near me that still sells 94. Never put it in. I run 91 (I ran 93 at the outset of covid when it dropped to something around a buck a litre) because its ethanol free and being stock the car is happy on it. Click to expand... I haven't seen a Sunoco station in the southeast USA in many many years, I know there are still some out there. Yes, pre covid 93 was under 2 bucks a gallon here till the two pipelines got shutdown. Wish we had ethanol free high test prevalent here now but only 87 is prevalent. BD 2020 Rapid Red eco premium, MBRP race cat back, K&N panel filter in stock box with GT inlet resonator & AFE intake tube, CVFab black street IC, TB spacer & black charge pipes wrapped in black header wrap, 15/17 BPV with GFB DV+ kit, JLT catch can with UPR 100 psi check valve 2" from intake connection & stock PCV still functional, UPR one way breather oil fill cap replacement, FP strut tower & K brace, Steeda Stop the Hop starter kit & IRS subframe braces, Boomba vertical links, S&R jacking rails, Left side grill diamonds opened up for ram air flow, FP tune. Save Share Reply Quote 1 - 20 of 22 Posts 1 2 Next 1 of 2 Go to page Go This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread. Insert Quotes Quotes Post Reply About this Discussion 21 Replies 12 Participants Last post: Buldawg76 8 mo ago Ford Mustang Ecoboost Forum A forum community dedicated to Ford Mustang owners and enthusiasts. Come join the discussion about performance, turbo upgrades, modifications, troubleshooting, maintenance, and more! Full Forum Listing Explore Our Forums Mustang EcoBoost Discussions Mustang EcoBoost Performance Introductions Mustang EcoBoost Maintenance Mustang EcoBoost Builds Recommended Communities Ford Focus ST Forum 73K+ members Mustang Evolution Forum 54K+ members Porsche EVs NEW! 10+ members Join now to ask and comment! 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