Originally Posted by
brooksy898
just another dump question. i want to upgrade my next ecu to stage 2 with Motorsport Development ECU chips are they plug in an go or do you have to get the car on a dyno for checks.
Its always good practice to have it checked on the rollers for fuel etc.
But as long as you follow instructions to the letter it should not be a problem
If you have access to a afr gauge check on boost with this.