i recently had 4.10 gears installed and the other day i got on it to see how they felt and for some reason my car never shifted out of 1st and kept revving past redline i got off of it real fast, it never has done that prior to the gear install what can i do to fix this, thanks for the help
hit him on the head for me! not doing any damage? doing it once is too many times, 
You should be shot!!