So I've had this problem now for awhile where I can't rev past 6300-6800 in my h22 teg, and I finally got it today where once it would rev past there, and there's something new I noticed. As soon as it goes into redline, on my tach that's at 6800 cause it's an integra ls tach, the needle goes straight down to super high rpms, but the engine I know isn't that high, so I was wondering what would cause the tach to do this, to shoot straight down into redline? Thanks if anyone can help.