Well I ran a 6.4 tonight. I knew he would win, but I wanted to see how close I would be from him. We both did 4 wheel drive launch, and he only had me by one length! I was very impressed with Punisher's big tune, (its pretty much a built trans tune) That's the only way I think I kept up with him. He said he only has a H&S Tuner on it with canned tunes, I believe he had it on the 300hp tune. If he had it on a lower tune I think I could of took him. Anyway I just thought I'd share, the 6.4's are beasts, someday I'll have more fuel, more air and a built trans and I'll run him again lol.