Depends on what you mean by adjustment. I dont know to many things about trucks. But it is good to dyno a vehicle to see what your starting point is performing wise. Good to know what your hp is to the wheels. And all the other stats dinos can give you
good friend the truth that I bought a tacoma xrunner and a friend recommended me to take it to the dyno to know what things I should change since it is for a project
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