V9 log
Ethanol content is at 74 pecent also I feel I keep having like spark blowout or something seems sometime at certain boost I get a sputtering throttle and falls on its face it's between shifts is when it happens I was thinking about putting in one step. Colder plugs to possibly help.I'm not getting any misfire codes Have the factory n54 plugs in it right now? Brand new, with less than five hundred miles