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re: Nobody buys mid-grade gasoline

Posted on 7/9/18 at 12:35 pm to
Posted by LNCHBOX
70448
Member since Jun 2009
89388 posts
Posted on 7/9/18 at 12:35 pm to
quote:

2014 Jeep Cherokee.

It’s pretty noticeable when I’m on the accelator after being stopped. A lot smoother on the 89 than the 87 and no, I don’t floor it, just normal acceleration.


Your vehicle requires 89 per the manual, so not really relevant to my point.
Posted by Napoleon
Kenna
Member since Dec 2007
74884 posts
Posted on 7/9/18 at 12:36 pm to
Toyotas run a better performance program when using 93 octane. I assume other cars do to.
Posted by TeddyPadillac
Member since Dec 2010
30742 posts
Posted on 7/9/18 at 12:36 pm to
quote:

2014 Jeep Cherokee.

It’s pretty noticeable when I’m on the accelator after being stopped. A lot smoother on the 89 than the 87 and no, I don’t floor it, just normal acceleration.



You drive a go-kart. You aren't feeling the difference. It's in your head man.

Posted by go ta hell ole miss
Member since Jan 2007
14794 posts
Posted on 7/9/18 at 12:50 pm to
I didn’t know anybody used anything other than non-ethanol or diesel in Louisiana, MIssissippi or Alabama. What is this mid grade you speak of?
Posted by Kcrad
Diamondhead
Member since Nov 2010
68390 posts
Posted on 7/9/18 at 12:53 pm to
quote:

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.



Huh???? Are you talking octane? 93 has more than 87.
Posted by knuckleballer
Myrtle Beach, SC
Member since Jul 2012
916 posts
Posted on 7/9/18 at 1:00 pm to
European car engines require it. My wife had a Volvo hand me down when we got married and her parents had told her buy premium gas. Owners manual did indeed call for 89 or higher. I tried running the 87 and it knocked so I had to suck it up till the next car. Just another reason not to get sucked into the vanity of a euro car.
Posted by ehidal1
Chief Boot Knocka
Member since Dec 2007
37339 posts
Posted on 7/9/18 at 1:02 pm to
I just drove thru New Mexico and their gas pumps were 85, 87, 91. It was weird for me to see, but it made me buy the mid grade (87).
Posted by member12
Bob's Country Bunker
Member since May 2008
33146 posts
Posted on 7/9/18 at 1:03 pm to
My wife’s car takes 91 octane minimum, which no one has so we have to get 93. Usually the options are 87, 89, and 93.

ETA: It’s a German brand with a turbo engine.

My American cars could probably run on hangover pee.
This post was edited on 7/9/18 at 1:07 pm
Posted by Hu_Flung_Pu
Central, LA
Member since Jan 2013
22546 posts
Posted on 7/9/18 at 1:03 pm to
I ran 89 when I had a Hemi.
Posted by southernelite
Houston, TX
Member since Sep 2009
53568 posts
Posted on 7/9/18 at 1:04 pm to
quote:

You drive a go-kart. You aren't feeling the difference. It's in your head man.


I don’t think so, but whatever.
Posted by Motorboat
At the camp
Member since Oct 2007
24316 posts
Posted on 7/9/18 at 1:04 pm to
quote:

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



OK. How many drive cycles until the engine adjusts? I'll happily participate in your experiment again, but past experience tells me it knocks with 87 when used consistently.
Posted by Darth_Vader
A galaxy far, far away
Member since Dec 2011
74612 posts
Posted on 7/9/18 at 1:06 pm to
I buy 87 octane for my truck because that’s what it’s designed to use. I buy 93 octane for my Harley for the same reason. Don’t think I’ve ever bought mid-grade gas once in my life as far as I can remember.
This post was edited on 7/9/18 at 1:08 pm
Posted by NYCAuburn
TD Platinum Membership/SECr Sheriff
Member since Feb 2011
57015 posts
Posted on 7/9/18 at 1:06 pm to
only thing I have to say is frick the upcharge on 89 and 93 nowadays. it was $.10 a grade for so damn long, now its $.20-.30 per
Posted by JETigER
LSU 2011 National Champions
Member since Dec 2003
7081 posts
Posted on 7/9/18 at 1:06 pm to
isn't it a 60/40 mix but the price is hallway in between. does that mean they made 10 percent more profit.



Posted by RichJ
The Land of the CoonAss
Member since Nov 2016
6143 posts
Posted on 7/9/18 at 1:11 pm to
quote:

no car has instructed me to specifically put mid-grade in it


Not my car, but my Yamaha SHO outboard requires 89 octane minimum. My vehicles, a Yukon, a Sierra, & Camaro SS all suggest 91 octane for their 6.2L engines, for best performance...
Posted by TeddyPadillac
Member since Dec 2010
30742 posts
Posted on 7/9/18 at 1:13 pm to
quote:

I don’t think so, but whatever.


you said a cherokee, not a grand cherokee. There's a big difference.
One has a straight 4 with zero accleration, the other may have a massive 6.4L V8.
If you're talking about the 6.4L V8, then i'll amend my statement that you drive a go-kart. if it's the 4 cylinder cherokee, then you drive a gloried go-kart, which is what i have, and hate. It's a work car.
Posted by cajuncarguy
On the road...Again!
Member since Jun 2013
3135 posts
Posted on 7/9/18 at 1:16 pm to
The industry is pushing, in the future, for one grade, 95 octane. It would allow them to run higher compression and have high efficiencies. More power, economy and cleaner.
Posted by LNCHBOX
70448
Member since Jun 2009
89388 posts
Posted on 7/9/18 at 1:16 pm to
quote:

you said a cherokee, not a grand cherokee. There's a big difference.
One has a straight 4 with zero accleration, the other may have a massive 6.4L V8.


You may want to do some research on vehicles.
Posted by PoppaD
Texas
Member since Feb 2008
5376 posts
Posted on 7/9/18 at 1:16 pm to
quote:

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


If you fret over the cost difference of Mid Grade and Premium, then you shouldn’t be driving a luxury car.

You should use the minimum octane your vehicle is designed for. It is listed in your owners manual. If you can’t afford premium then by something made to use regular fuel.
This post was edited on 7/9/18 at 1:27 pm
Posted by LNCHBOX
70448
Member since Jun 2009
89388 posts
Posted on 7/9/18 at 1:17 pm to
quote:

OK. How many drive cycles until the engine adjusts? I'll happily participate in your experiment again, but past experience tells me it knocks with 87 when used consistently.


If your car is designed for premium but doesn't knock with 89, it will also not knock with 87 (due to the computer compensating). What you're describing isn't going to happen.
This post was edited on 7/9/18 at 1:19 pm
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