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Old 08-24-2019, 12:51 PM #181
Daftjungle03 Daftjungle03 is offline
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Originally Posted by RojoCohete View Post
I've had this discussion with my mechanic a few months back. He swears by putting Premium gas in his cars even though they do not require. He doesn't do it for the performance but because he says that it keeps his fuel injectors cleaner. I can see his point but I can't help but think that you can accomplish the same thing by adding a cleaner additive to the fuel.

He said that he has seen repairs done to fuel injection systems that could have been avoided if Premium gas was used.
I think the point is using a "top tier" fuel more than a higher octane. Top tier fuels usually have a better additive / detergent pack than cheaper gas. For example the grocery stores near me aren't considered "top tier" but Costco is. Regardless I use a bottle of the Chevron Techron stuff every 3 or 4 months. Occasionally I'll put premium in if going on a long trip but I doubt it makes much difference in a 4Runner. Now my twin turbo F150 I had and my wife's turbo Lexus always got premium.
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Old 08-24-2019, 03:29 PM #182
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Quote:
Originally Posted by RojoCohete View Post
I've had this discussion with my mechanic a few months back. He swears by putting Premium gas in his cars even though they do not require. He doesn't do it for the performance but because he says that it keeps his fuel injectors cleaner. I can see his point but I can't help but think that you can accomplish the same thing by adding a cleaner additive to the fuel.

He said that he has seen repairs done to fuel injection systems that could have been avoided if Premium gas was used.
You should stop going to that mechanic. The top tier detergent is the same for all grades of fuel that a company sells.
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Old 09-04-2019, 09:33 PM #183
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Originally Posted by jharris2 View Post
When I saw the article in this morning's paper, I immediately thought of this forum!!

On my current road trip (will be 1,500 miles or so when complete, mostly highway miles), I've tested 87 and 93 octane fuel. Also tested 10% ethanol fuel and standard dinosaur fuel.

Net -- no noticeable difference in the V6 in terms of mileage or highway power. With 87 octane, it will easily jump from 70 to 80 mph to pass an 18-wheeler. Mileage has been running around 21-22 highway, 19 mixed (Chicago traffic that goes 0 to 60 to 0 pretty quickly).

I've run it in 2WD mode all trip, with the air conditioner running almost all the time.

With 23 gallons in the tank, that gives a range of over 450 miles, although the trip computer says 420.

Unless I run across a station (and did in Bloomington, IL) where premium fuel is the same price as regular, I'll just stick with 87 octane and save $0.20 per gallon. That will leave a bit more money for mods!!
I like the thought process thanks for sharing!
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Old 07-03-2020, 06:49 PM #184
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Iíve noticed about 1-2 mpg difference using premium. Although it could be the ethanol percentage amounts that can vary by gas station.
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Old 07-09-2020, 05:24 PM #185
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Too bad ethenol free isn't more readily available
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Old 07-26-2020, 08:41 PM #186
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stuck 93 in my new (as of today new) '98. Previous owner had used 87 and I thought giving it a good run on 93 ought to be a good idea. Anyway, 170 miles traveled like a breeze until I got back to to NYC. Seemed fine enough but stalled out as I was crawling to a light as I turned onto my home block. Started back up fine without any issues. Seller suggested that the higher octane isn't good for running the car at low RPM's, especially in the city where theres a lot of stopping and starting. Anyone else experienced that when running 93?
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Old 07-27-2020, 04:00 PM #187
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Originally Posted by 98anthracite View Post
stuck 93 in my new (as of today new) '98. Previous owner had used 87 and I thought giving it a good run on 93 ought to be a good idea. Anyway, 170 miles traveled like a breeze until I got back to to NYC. Seemed fine enough but stalled out as I was crawling to a light as I turned onto my home block. Started back up fine without any issues. Seller suggested that the higher octane isn't good for running the car at low RPM's, especially in the city where theres a lot of stopping and starting. Anyone else experienced that when running 93?
100% untrue. higher octane has absolutely no difference when idling than lower octane. you should ask the seller where he came up with that idea & provide some credible reason for that logic.
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Old 08-04-2020, 09:49 PM #188
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Originally Posted by firebirdguy View Post
100% untrue. higher octane has absolutely no difference when idling than lower octane. you should ask the seller where he came up with that idea & provide some credible reason for that logic.
hmm, alright well thanks for the heads up!
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Old 08-06-2020, 03:47 PM #189
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I find my 04 v8 runs better on 87. I was running 91 for awhile but didn't see a different in performance.
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Old 10-12-2020, 08:10 PM #190
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Only regular here. Iíve never noticed a difference on the 3rd gen
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