12 psi of boost on pump gas?

[sledheadgeorge]

I run pump gas to 12lbs. Anything over that you need race fuel. 12 to 16 I use 50/50 mix. No problems yet. This is the third season, almost 7,000 miles on her.

 

[Skydog]

sledheadgeorge, motor all stock? How long you stay in her?