Summer Driving

[jsilvestri]

Any sense or benefit to using a higher grade gasoline in Summer with a standard head and engine?

Part 2: (I'm sure debated for years) - Marvel Mystery Oil - worth the expense?

Thanks!

John Silvestri

 

[tierod]

Have used MMO for years in gas tank & crankcase. Can't be proven but I think it is a plus.

 

[Jordan]

in my experience, the higher grade gas has solved vapor locking issues in high heat.