Quote:
Originally Posted by Spooler
I get to wait and watch the show. The tuner is a big issue. Qualified ones were taken out by the EPA a while ago. The wrong tune will take out the transmission or blow the headgasket due to the high drive pressure caused by the variable vane turbine wheel.
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With the 8 speed transmissions. There is a separate tune for the transmission. It holds 1st and 2nd longer during a cold start. It hold 7th and 8th longer to keep the transmission from hunting gears at cruising speeds.