Join Date: Aug 2018
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CTT tuning on 18 deleted w/ 40's
I have a 2018 that has been fully deleted. I have stock gears and 40" tires.
Before the delete I had the 40's on for 30,000 miles, it did not shift bad but was not great until I corrected the speedo with the AEV procal. After that everything was great! Drove great, shifted perfect and was getting about 16 mpgs in town 18 mpgs on highway and 13 mpgs towing. I was pleased but thought it would be great if I could get better mileage. I deleted it and tunned with ez lynk and CTT. It shifted horrible, could not get it to go to 6th until 80mph. After many many tunes I got one that is ok, shifts into 6th at 58mph at part throttle, but seems to "float" between gears for a while and is worse towing. I have asked the tech at CTT about this and he says he does not know what to do. He sent me another tune but it did not work.
My goal here is long life, good drivabilty and great mileage. I am open to ideas.