digital throttle stop

[Average Joe]

I don't think it even exists. There was an Autometer ad for it a couple of years ago in National Dragster right after Autometer bought out Dedenbear. I found it interesting that you could set the open and close rates through the box instead of adjusting an air needle. Here is the patent for it...

http://www.freepatentsonline.com/7487758.html

Maybe in testing it never worked.