[gumby79]

Install a fast response probe EGT.
Run the absolute lowest temp posable to maintain speed. EG. I run 500° f in the flats 600° mild hill 750-800° f for mountain passes @60-65 mph
Wrap the turbo and exhaust manifold to retain more heat energy inside the system instead of cooking everything under the hood. .the wrap has reduced my under hood temps drastically. Reduction of 100° across the bord EG before 1psi=600° f after 1psi =500°f . Much faster spoolas well.

synthetic oil Everything P/S , M. trans , diff.×2, T-case, grease. DO your Preventative Maintenence synthetic mobile 1 appears to have reduced my EGT by 50-75°f EG 70 mph is normally 700-750°f now 600°f and virtually eliminated my cooldown time (from 1-5min to .25-1min to reach 300-350°f ), idle temp reduction of 25-40°f

If you want tall tires go with 255/85R 16(33×10.00R16) my medium 235/85R16 (32×925R16)
Short 215/85R16 (30×850R16) as compaired to a 245/75 R16 (30.5×9.5R16) if your truck is running 18"s just add 2"to the OD

Use the Defrost as little as possible in winter. This setting uses the AC compressor to dehumidify the air before blowing it on cold glass.
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Question for the 3rd gen owners .
Can the extra "cleaning "injection event with the exhaust valve open be programmed out of existence?