Cams choice, Low CR vs VE%

i beleive that , had a 340 with 195 psi ran okay on 93 unles it was lugging up a hill in 2nd gear a few gallons of 112 sue woke it up . but 240 **** that is high did they use methanol injection to run on pump gas ?

I'm sure it's possible. I just want to see it.