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Is high test really necessary?

Originally Posted by Gene's Z Does anyone use 87 octane fuel on a regular basis? Nobody that I know of. I got in a bind and put just enough low

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Old 12-04-2013, 09:07 AM   #9 (permalink)
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Quote:
Originally Posted by Gene's Z View Post
Does anyone use 87 octane fuel on a regular basis?
Nobody that I know of. I got in a bind and put just enough low octane in the tank to get me to a station with ethyl.

Quote:
Originally Posted by Gene's Z View Post
I tried one tank and didn't notice any knocking or any other ill effects but I hesitate do use it regularly. Any thoughts would be appreciated
You may not have heard anything but, if you were pushing the engine very hard, it was there. The ECU can adjust to minimize knock but that decreases power. Try your test on a hot Summer day and you may be able to hear the knock.

Edit: To answer the question in your title: Yes. 89-91 octane is required for proper operation.
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Last edited by SouthArk370Z; 12-04-2013 at 09:10 AM.
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