he will do both or you can do what i have done he takes his laptop and a o2 sensor in the tail pipe and the we go for a lil cruse and he tunes it that way
you can feel the difference!!
man ya should off bet!!!!
well its gonna be another week!!
tried to use the stock flywheel and it don't fity
its a 6bolt and his new mmr short block has a 8 bolt crank!!!!!!!