i agree with mmdooley . iam running a 12020 and an 8xl with 4200 18cells the truck is brutal .just remeber you still have to be able to controll it . and wecome to the forums . you will find all the poeple on here are good and a great help .i nearly bought some crap but talked on here and every body helped. just remeber if you go for power you will have to do some upgrades