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Started By
Message
re: Premium gas benefits
Posted on 12/19/15 at 9:06 am to A man and his truck
Posted on 12/19/15 at 9:06 am to A man and his truck
quote:
top end vehicles
quote:
06 H3 Hummer
Posted on 12/19/15 at 9:43 am to A man and his truck
My Mercedes-Benz requires high octane gas. When I asked my mechanic about it, he said I could try a lower octane but it would probably cause knocking so I stick with the higher octane. He did tell me to always use name brand gas--Exxon, Shell, etc.-- and to never use the off brand gas like at Murphy's, Racetrack because the name brands have better detergents and additives in them and are cleaner.
Posted on 12/19/15 at 10:23 am to fleurdelis
I'd change mechanics.
Unless your MB is really old, you won't hear knocking from a lower octane. The computer will retard the engine's ttiming to compensate for the lower octane resulting in a loss of power (~5%). Additionally, you will see a very minor loss of MPG. Lastly, doing this for very long (running lower than recommend octane) will cause premature failure of the coil packs and catalytic converter(s).
Only run lower octane in an emergency.
Unless your MB is really old, you won't hear knocking from a lower octane. The computer will retard the engine's ttiming to compensate for the lower octane resulting in a loss of power (~5%). Additionally, you will see a very minor loss of MPG. Lastly, doing this for very long (running lower than recommend octane) will cause premature failure of the coil packs and catalytic converter(s).
Only run lower octane in an emergency.
Posted on 12/19/15 at 10:30 am to UltimaParadox
quote:
Edmunds premium gas required
Thanks!
Good to know I need to start putting premium fuel in my Miata!
Posted on 12/19/15 at 10:37 am to slackster
quote:
Good to know I need to start putting premium fuel in my Miata!
The check engine light will come on...trust me.
My wife tried on her new mx5
This post was edited on 12/19/15 at 10:39 am
Posted on 12/19/15 at 10:42 am to tankyank13
quote:
That was 15 years ago and it was 3 and 4 dollars a gallon, could not imagine the cost today
Probably about the same price as it was then
Posted on 12/19/15 at 10:52 am to dawgfan1979
quote:
The check engine light will come on...trust me.
I believe you. My wife has a Mazda 3 so I was searching the Edmunds list and came across the recommendations for the Miata. I had to chuckle to see the premium fuel recommendation for the Miata, the Ford Transit Van, and the Jeep Renegade, although I understand the recommendation is based on the fact that they have turbo engines and/or advanced fuel injection systems.
It sure seems silly that a 2016 Ford Transit Van needs to run the same fuel as a 2016 BMW M6 or a Dodge Viper.
ETA: The Mazda USA website recommends 91 Octane for the Miata, but it says the minimum octane rating is 87. I'm surprised the car had such an issue with the 87 octane in your experience.
This post was edited on 12/19/15 at 10:55 am
Posted on 12/19/15 at 11:15 am to A man and his truck
quote:
06 H3 Hummer
quote:
A man and his truck
""""""""""Truck"""""""""""
Posted on 12/19/15 at 11:20 am to UltimaParadox
Can I get an OT rating on the stock photo?
Posted on 12/19/15 at 11:30 am to A man and his truck
Just start using this
Posted on 12/19/15 at 11:32 am to slackster
quote:
Probably about the same price as it was then
good point
Eta
Why would someone down vote my last post, fricking pussy. Show yourself
This post was edited on 12/19/15 at 11:45 am
Posted on 12/19/15 at 11:35 am to VetteGuy
My old 3/4 ton p/u with a 6.0 l89 wanted 93 octane it spark knocked on anything less.
Posted on 12/19/15 at 11:40 am to slackster
quote:
It sure seems silly that a 2016 Ford Transit Van needs to run the same fuel as a 2016 BMW M6 or a Dodge Viper.
They probably have the timing upped a bit in factory tune.
Posted on 12/19/15 at 11:42 am to A man and his truck
OP needs to be a little more subtle in his trolling.
Posted on 12/19/15 at 11:43 am to A man and his truck
Always use the suggested octane per manufacturers specs
Posted on 12/19/15 at 1:11 pm to Agforlife
No doubt knocking is a real thing, not too much with newer stuff.
Posted on 12/19/15 at 1:37 pm to A man and his truck
quote:
I drive a 06 H3 Hummer
Then you don't have a premium vehicle, or a truck for that matter.
Posted on 12/19/15 at 1:44 pm to tankyank13
quote:
Fueled airplanes at NOLA international years ago, we sold 100LL (low lead). That was 15 years ago and it was 3 and 4 dollars a gallon, could not imagine the cost today
When auto gas got to $4 a gallon, 100LL avgas was close to $7, I read recently that at some airports it is down to around $3.50
Posted on 12/19/15 at 1:46 pm to A man and his truck
A cheap pos hummer like yours just needs 86 octane
Posted on 12/19/15 at 1:47 pm to VetteGuy
quote:
No doubt knocking is a real thing, not too much with newer stuff.
It's certainly a real thing at 30psi boost when the water injection solenoid decides to go out.
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