I was wondering why only some have engine ping issues. Our cars should run fine with the 91 octane fuel and also the knock sensors should have prevented any engine pings unless retarding the timing doesn't help.
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Originally Posted by tiller
I've added klotz fuel accelerator and it actually works bringing up the octane and removing ping or detonation,I've found fuels where i am claim certain octane numbers but they don't hold up,in the states best stuff would be torco fuel accelerator
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