i got a new motor and since then i have gone through 2 02 and 5 sets of spark plugs within two days they foul out and the 02 go about a weeks time any help on this lol all mods are in my sig and its on stock ecu is it the tune or something else all help with be thanked going in for tune today to see if thats what it is cause some have said thats whats doing it but seeing what other answers there are