Originally Posted by cobra989
would the diablo sport work for us? I see on their site that its meant for 05 and up 4.7L but whats the diff between 03's and 05's engine wise???
I just got off of the phone with diablo. I was told that ECU was different between the 03 and 05. I wanted to get the Trinity. Don't feel bad though I feel like the 03 is the bastard to.