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Nobody buys mid-grade gasoline

Posted on 7/9/18 at 11:29 am
Posted by uway
Member since Sep 2004
33109 posts
Posted on 7/9/18 at 11:29 am
Check the counter on the pump next time you fill up. 87 octane has the most, about double the 93, and then 89 almost none at all.

What’s the psychology behind this?

If you do buy it, why?

I buy the cheapest, because who cares.
Posted by Motorboat
At the camp
Member since Oct 2007
22682 posts
Posted on 7/9/18 at 11:30 am to
I do. keeps my luxury vehicle from knocking and it is cheaper than 93
Posted by ProjectP2294
South St. Louis city
Member since May 2007
70275 posts
Posted on 7/9/18 at 11:30 am to
It meets the minimum octane for some cars, if there wasn't a market for it at all, they'd stop producing it.
Posted by 777Tiger
Member since Mar 2011
73856 posts
Posted on 7/9/18 at 11:30 am to
k, keep us posted
Posted by Bama and Beer
Baldwin Co, AL
Member since Oct 2010
80891 posts
Posted on 7/9/18 at 11:30 am to
It's better in a 302

But you know nothing about that
Posted by Huey Lewis
BR
Member since Oct 2013
4652 posts
Posted on 7/9/18 at 11:30 am to
Some engines need higher than 87 but don't need 93.

But then, you're better off mixing half and half 87 and 93 for 90 at the same price as 89.
This post was edited on 7/9/18 at 11:31 am
Posted by Esquire
Chiraq
Member since Apr 2014
11598 posts
Posted on 7/9/18 at 11:31 am to
In my experience, no car has instructed me to specifically put mid-grade in it, so I don't see it as an option.
Posted by Spelt it rong
Louisiana
Member since Oct 2012
10016 posts
Posted on 7/9/18 at 11:31 am to
It's the minimum my car requires.
Posted by 777Tiger
Member since Mar 2011
73856 posts
Posted on 7/9/18 at 11:32 am to
(no message)
This post was edited on 7/9/18 at 11:33 am
Posted by Reservoir dawg
Member since Oct 2013
14104 posts
Posted on 7/9/18 at 11:33 am to
I'm not sure why it's still offered either.

I've never seen a make or model that says minimum 89 octane. Always premium only, or minimum 87.
This post was edited on 7/9/18 at 11:35 am
Posted by uway
Member since Sep 2004
33109 posts
Posted on 7/9/18 at 11:33 am to
quote:


It's better in a 302

But you know nothing about that


I think some of us are practical, and the rest of y’all buy 93.
Posted by tickfawtiger
Killian LA
Member since Sep 2005
10981 posts
Posted on 7/9/18 at 11:33 am to
I think all 5.7 Hemis require 87 octane
Posted by LSUTigersVCURams
Member since Jul 2014
21940 posts
Posted on 7/9/18 at 11:34 am to
I do. Feels like the most sensible option.
This post was edited on 7/9/18 at 11:35 am
Posted by SonicAndBareKnuckles
Member since Jun 2018
1596 posts
Posted on 7/9/18 at 11:35 am to
It was my understanding that mid grade gas is not produced at the refinery, but that it is mixed at the pump by blending regular and premium.
Posted by Bama and Beer
Baldwin Co, AL
Member since Oct 2010
80891 posts
Posted on 7/9/18 at 11:35 am to
When your vehicle is over 40 years old,. It won't play you're Taylor swift on the radio either. It'll put your arse in a three on tree and you have to deal with it
This post was edited on 7/9/18 at 11:37 am
Posted by Sao
East Texas Piney Woods
Member since Jun 2009
65697 posts
Posted on 7/9/18 at 11:35 am to

That's what early 2000 Fords required. Expeditions anyway. The manual pointed out 87 was the only fuel to use.
Posted by HaveMercy
Member since Dec 2014
3000 posts
Posted on 7/9/18 at 11:39 am to
I use it. My car calls for premium, but the guy who services it said that I should use mid grade instead. He explained that it had something to do with the ethanol content and water and the premium gas sitting in the tanks too long, thus lowering the octane something something something. He knows more about cars than me, so I'm taking his advice.
Posted by PoppaD
Texas
Member since Feb 2008
4911 posts
Posted on 7/9/18 at 11:39 am to
You are correct. Mid grade is just a mix of premium and regular that is mixed at the pump. I'm dubious on if the pump mixes it equally or are you really just paying more for regular. Seems like something a gas station owner could exploit.
This post was edited on 7/9/18 at 11:43 am
Posted by LNCHBOX
70448
Member since Jun 2009
84093 posts
Posted on 7/9/18 at 11:44 am to
quote:

I do. keeps my luxury vehicle from knocking and it is cheaper than 93



If 89 is keeping you from knocking, regular will do the same. Your vehicle has sensors that adjust for lower octane. Midgrade is a scam
Posted by ksayetiger
Centenary Gents
Member since Jul 2007
68307 posts
Posted on 7/9/18 at 11:47 am to
quote:

u're better off mixing half and half 87 and 93 for 90 at the same price as 89.




You expect oters to do that "complicated math"?

If it dont add to 350, wont happen here.
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