I wend with 9.5 to 1 compression, we only have 85 octane in the mountains and I want to be able to drive anywhere with my Hemi. Tim

1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!