need some insight going e85 on my 69 camaro built sb chevy 4bolt main, steel crank, h beam rods , J & E forged blower pistons,3"ext, dart heads B & M 177 supercharger w/overdriven pulley 15lbs of boost,100 shot of spray 2stage, barry grant 970 stage 3 carb, built turbo400 38o0 stall 9"neal...