Originally Posted by spec.B Dream
Found an error in my e85 tune. Mileage now at 19 mpg combined up from 16.
Keep your foot out of it. My 05 is showing 24.6 on the dash right now. Not bad for 280 at the wheels.
174,000+ miles, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. Also CHECK YOUR OIL, these cars use it.