Fuel
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Joined: Jul 2019
Posts: 318
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From: Plano Texas
Fuel
Greetings,
Has anyone ever used regular gas in any vehicle that calls for premium? I have before the S2000 and did not have good results.
The reason I ask is related to a local celebrity in the DFW area, it airs every Saturday morning from 8 am - 1 pm and can be accessed on the web. The name of the show is Wheels with Ed Wallace. Ed has stated many times he has never used premium in any car. I enjoy listening when I am driving around and sitting at my desk. The show has been running ~30 years and is very interesting, unfortunately Ed is about to retire. That being said, he will be sorely missed although I do not agree with some of the issues he presents.
Anyone ever listen?
https://www.iheart.com/live/570am-klif-5527/
Drive hard!
Thank you!
Has anyone ever used regular gas in any vehicle that calls for premium? I have before the S2000 and did not have good results.
The reason I ask is related to a local celebrity in the DFW area, it airs every Saturday morning from 8 am - 1 pm and can be accessed on the web. The name of the show is Wheels with Ed Wallace. Ed has stated many times he has never used premium in any car. I enjoy listening when I am driving around and sitting at my desk. The show has been running ~30 years and is very interesting, unfortunately Ed is about to retire. That being said, he will be sorely missed although I do not agree with some of the issues he presents.
Anyone ever listen?
https://www.iheart.com/live/570am-klif-5527/
Drive hard!
Thank you!
Last edited by stock06; Sep 10, 2022 at 07:55 PM.
Joined: Jun 2002
Posts: 29,912
Likes: 5,399
From: Bondville
Both my cars require premium. I always run 93 Sunoco in my WRX and also in my S although I put non-ethanol in the S when I can which is Sunoco 91.
I also run premium in my sled and have only had to clean the carbs once in 12 years and it was only one of the three carbs that had a clogged jet.
I also run premium in my sled and have only had to clean the carbs once in 12 years and it was only one of the three carbs that had a clogged jet.
Joined: Oct 2009
Posts: 29,601
Likes: 5,337
From: Ontario Canada
My 2022 Civic Si calls for premium, and my 2022 Subaru WRX, it is recommended , though not required. The wording is key - required vs. recommended. I run 89 as a happy medium IMO, I don't want to go down to 87, but not up to 91 either. If your car requires premium then that is what is needed.
When I got my Civic Si I did some data logging for timing advance and there was no difference in the ignition timing between 89 and 91 , and not difference in fuel economy. My WRX motor is also used in the ascent and outback and on those vehicles it runs 87 octane, pretty much the same power levels. My WRX and Civic can run with lower octane fuel and not have any adverse effects.
I think the S2000 needs premium fuel. It is all very specific to the vehicle, I know the STi model required 93 octane, but would run on 91, but no less. The words required and recommended mean a lot when considering fuel choices.
When I got my Civic Si I did some data logging for timing advance and there was no difference in the ignition timing between 89 and 91 , and not difference in fuel economy. My WRX motor is also used in the ascent and outback and on those vehicles it runs 87 octane, pretty much the same power levels. My WRX and Civic can run with lower octane fuel and not have any adverse effects.
I think the S2000 needs premium fuel. It is all very specific to the vehicle, I know the STi model required 93 octane, but would run on 91, but no less. The words required and recommended mean a lot when considering fuel choices.
Joined: Jul 2014
Posts: 13,786
Likes: 1,536
From: Chesterfield VA
Your vehicle is designed to operate
on premium unleaded gasoline with a
pump octane of 91 or higher. Use of
a lower octane gasoline can cause
occasional metallic knocking noises
in the engine and will result in
decreased engine performance. Use
of a gasoline with a pump octane less
than 87 can lead to engine damage.
on premium unleaded gasoline with a
pump octane of 91 or higher. Use of
a lower octane gasoline can cause
occasional metallic knocking noises
in the engine and will result in
decreased engine performance. Use
of a gasoline with a pump octane less
than 87 can lead to engine damage.
Surprised a STi requires 93 octane since it's not available everywhere while 91 is there.
-- Chuck
Joined: Oct 2009
Posts: 29,601
Likes: 5,337
From: Ontario Canada
The Complete Fuel Guide For Your Subaru And How To Save Hundreds Per Year | Torque News
Joined: Oct 2009
Posts: 29,601
Likes: 5,337
From: Ontario Canada
I located a gas station in my area that sells premium fuel for about the same cost as the mid-grade I have been using in recent months. It has no ethanol too, so I'm going to switch to this new brand, it should produce better fuel economy without ethanol (3%). It should work for the WRX.
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