Topic: Fuel Question
in Forum: C3 Engines
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Gotcha. When you compare it to Diesel engine, I can understand what you're referring to. I've heard it before in big rigs.
What I'm experiencing is not the pinging then. It's a rumble that's more felt then heard.
Just to be clear, if she was misfiring, it would be more of a backfire correct? Like a small pop?
"You know, we always called each other goodfellas. Like you'd say to somebody: You're gonna like this guy, he's all right. He's a goodfella. He's one of us. You understand?"
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daveo76 said: What about the method of using the lowest grade that doesn't cause pinging? My car with 9.4:1 compression and about 18 degrees of static timing doesn't seem to ping at all on mid-grade. I usually do use premium but tried a tank of mid-grade a few tanks ago and I didn't notice any pinging. I've always understood that using a higher octane than necessary is just dropping unnecessary $ in the tank and that the actual quality of the gas doesn't really change much with grade but maybe that logic is out of date? I've attempted to educate non-car types in the past that putting super in their plain jane car is just a waste of money - go by what the owners manual says - but I know that system doesn't really work for a 70's Corvette.
If your car runs great on mid-grade then using high test will not benefit you. Keep using mid-grade.
in Forum: C3 Engines
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