1989 Ford Mustang(5.0)?

Can I go from super unleaded gas to regular or mid catalogue on a 1989 Ford Mustang(5.0) without hurting anything. I've be using super for about 2 years

What is the difference of petrol and...



Answers:    If your running a stock engine you should be capable of.

Try some regular unleaded, and get yourself a bottle of octane booster. Do not put the octane booster within your tank at first. Fill your reservoir (or what ever you can afford to do) with regular. If you start to hear a rap or knocking when to get moving, then put contained by the octane booster and try to go up to Mid-grade.
This may appropriate a few fillings contained by order to run out the elevated grade you hold in within. After about 3 or 4 cistern fulls, if your not knocking, travel ahead and drop in the octane booster. It will facilitate keep you fuel system verbs.

Aarrggh! why wont my vehicle start? any...


yes you might lose a little mpg

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