Quote Originally Posted by SPOOLIN View Post
yes but if you tune on e85 and then get some e70 by accident, you will run rich due to the more gasoline. Example: If you are tuned for E85 and you switch back to gas you have to lean it out 30%, if you don't it will be a pig.
simple rule for power 'have wideband and watch it'....only insurance you need other than actually lifting your foot it it does go lean