What will using 89 octane on an 87 octane car do for it?
I have a 2003 Honda Element that i had a recent oil change in with synthetic and I added a bottle of Lucas fuel injection cleaner along with 87 octane right before a fill up. Initially with the Lucas fuel injector cleaner I put 87 and I kept driving until I got down to a 1/4 tank. At 1/4 this time I filled it up with 89 octane and I noticed that my car feels peppier and gets up to higher speeds (85+ mph) and it seems to respond to my throttle inputs better. Does 89 octane help my car at all or am I just imagining things? It normally struggles to get past 85 mph unless I floor it and that's considereimgnotnwas pretty windy outside. I was able to reach up to 95 mph with more peddle space to go.
That really comes down to personal preference and experience, Mark. We have a couple older vehicles (my truck, especially) and I've found they run much better on one level up on the Octane. In the worst scenario, you just waste money. It won't damage your engine.
Slightly increase horsepower and mileage. Ppl will probably thumbs down this but for me it works. It increases acceleration by a little.
It will do NOTHING except cost you more. It MAY have an effect between your ears.
That's what you get with higher octane fuel.
You'll get a couple of more miles to the gallon and you'll keep your fuel system a little bit cleaner.
Nothing.
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-Engine overhaul mechanic and general automotive mechanic since 1972
Higher octane fuel is harder to burn, and requires more compression. Your engine may overheat because of the higher energy fuel its burning, or it may fail to burn all of it, which can clog the exhaust system, or lead to you spilling waste fuel out the back. You might get a little more power out of it, but it can ruin your engine in the process. Stick to the recommended octane rating unless you start modifying your car to handle higher spec fuels.
It's all in your head. Higher octane gasoline has more inhibitors in it to stop pre-ignition. Low octane gas burns better.
It's all in your head. Higher octane gasoline has more inhibitors in it to stop pre-ignition. Low octane gas burns better.
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