I invite you to call Floor-it and ask John Isaacs about my runs over 4k. Name is J.D. Flory, the kid with the silver '01. phone # is on flooritdiesel.com
Don't get me wrong, I'm not saying the box is what makes this happen. It could just be a total freak thing on my truck. We are trying to test on another truck for more results. Have you tried every box out there? Tell me you've seen a truck dyno with a Granatelli box and didn't get near 4k. Don't just write things off because there out of the norm. Guess I should have just bought a Drag Comp and been satisfied like every one else????
If I saw a guy post 4k on some unknown cheap box I would question it, too so don't take this the wrong way.
I was in the shop when Marco was doing testing on a ton of cr trucks and a few VP trucks and he is working on some new stuff, but the key to rpm's is in the TPS tap. Don't know if a downloader can do much with that.