Thread: do i have to use premium gas with the 3.8L supercharged?

Originally Posted by Nixon

Yep, It's bad.

Costco is currently $3.109 for regular and $3.439 for premium.

Its 30-50 cents more depending on 90-93 where im located.

FWIW i ran 89 for a full winter 2 years ago on a 3.1 pulley.