Originally Posted by Z1Performance

I hate tossing these terms around, but it's well known that Church's dyno is very, very optimistic. Doesn't take away from them as tuners, as I've always heard very good things (have many customers who have been there). How it's setup, or why it's setup that way, who knows. Doesn't really matter in the end either. Again, use a dyno run such as this for what it is - a baseline, to measure future gains. Do not use it for what it's not - a definitive #.