Anyone switched to 87 octane?

Burla

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I'm gonna give 87 a shot for my next tank. I definitely will be watching the ST and LT Knock for the tank. Should be interesting.
you never ran 87?

My truck didnt ping ever, just hesitated on it, plus 91 cleared hesitation and ran better in low rpm's. I'm not sure of much difference in high rpm's. Like I said, I still use it on occasion I'm not religious about it, but when I do it will hesitate everytime.
 

Hemi395

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you never ran 87?

My truck didnt ping ever, just hesitated on it, plus 91 cleared hesitation and ran better in low rpm's. I'm not sure of much difference in high rpm's. Like I said, I still use it on occasion I'm not religious about it, but when I do it will hesitate everytime.
Nope, never ran 87. I always ran 89 and then 93 when I got my custom tuning...
 

HEMIMANN

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Just filled up this evening with 87 octane for a great deal @ $3.979 / gallon. And with 10% ethanol mandated by my state, no Top Tier additive package either.

Life is grand.
 

GGlaser

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Since gas prices have gone up my truck has become mostly a driveway decoration, while I drive my other fuel-efficient cars. Because of that I've switched from 93 down to 87 octane (only 2 options at Sams Club). I notice a huge difference in performance and a little more knock on startup, but other than that it runs just fine. I am trying to wait out the fuel surge instead of trading in on a more economical vehicle since I only use it for weekend warrior projects.
 

Jeepwalker

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I've only ever been running 87 ...around here. Every once in a while I'd fill up with Premium (93 around here) ..and for my normal driving I never noticed any improvement in performance. Maybe if I track-tested it premium would show a boost, but I don't drive like a maniac as it is. Obviously min Octane a guy runs depends on where ya live (altitudes, etc).
 

Jeepwalker

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As for Top Tier gas, that's pretty much all I buy. However, lol ....however, I've read MANY forum threads that all the gas in local stations comes from the local fuel depot's in your area and it's not different from one station to the next. The fuel delivery truck guy adds a bottle of whatever station's 'Dr Good' additive (e.g. Techron, etc). So....IDK. I still buy from Top Tier stations bc they sign on and want to encourge that.

Buying gas from a cheaper local station probably doesn't matter.
 

armallard

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2 questions will this work on 5.3 liters as well? and will it be ok on my lawn mowers and utv's. Mainly because I use non ethanol in all of these and its crazy high now or I'm I looking at this wrong appreciate it..
 
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