> > > I run mine on reg. all the time, never pings, gets about 49-50 mpg
> > > on trips.
I used to run regular most often too. After seeing all the carbon
buildup inside my head combustion chambers when my motor was torn
down (with only 31,000 miles on it) I think I'll change to premium.
It's my hope that the detergents will keep the carbon from building.
-K
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