The last gas question

[jambo101]

Originally Posted by Tonavi

I was reading a Fit forum on FE when I read a post that was about how using higher octane gas could slowly wreck your motor over time by burning too hot and causing timing problems. .

Thats backwards ,,the higher octane burns cooler than lower octane thus the carbon builds up ultimately choking your engine and oil with carbon and sludge build up.You might want to check your timing for that rattling you are hearing as the car should run smooth and quiet on regular octane gas.