Yea mine is a 13. The guy asking has a 12 according to his sign so I knew our setups would be similar. Why would a 15 run dirtier? I'm just curious because I really have no clue
Programming is different along with turbo and fuel pump.
But, I'm super picky about smoke. Truck drives in all conditions, from driving on the interstate passing semis and idiots, to bumper to bumper traffic in downtown Los Angeles, to stop and go traffic in Beverly Hills. I get enough looks there, that the last thing I need is leaving smoke behind.
I do all this in a day so I get to see exactly how my truck responds to tunes.
IMHO, there isn't a better test someone can do.
When I feel like seeing how a tune compares, I load up a tune home and drive all the way to my destination(380miles). Then on the way home, I switch to another tune and compare.
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