Originally Posted by nhinnhuckyduc
I have been running it at around 85% for the past few week and today i chose to run it at 90 and the power is noticeable but i the check engine light kick in right away and i was driving a tank after that. so anything over 85% is bad for my car. This is also the newer JBD to i guess cause i only ordered about 3 week ago. car has about 1500 may that be the problem why i cant run it any higher then 85%.
My butt dyno hasn't registered much if any difference running it at either 85% or 100%. According to the dyno graph it's only a 4hp difference between the two settings.