Re: Can I put Regular Unleaded Gas in my Crossfire?
Yes, you can use regular.
You can expect worse gas mileage, thereby negating any type of financial gain.
You can also expect to replace the catalytic converters sooner than expected.
You can also expect a loss of power due to the PCM pulling spark advance WAYYYYYY back to keep your engine from fitting loosely in a 5 gallon bucket.
Hope this helps.