Colder thermostat

[bbyukonxl]

Have 03 Yukon with 8.1 with 180deg tstat people on gm forum sayin need to tune for cooler thermostat.I hVe diablew tune was curious if anyone else hAs had any issues with different t stat.haven't gotten tune finished yet as just got headers to fix my exhaust leak and hopefully rid my truck of the kr

[06MonteSS]

your fan settings are already adjusted correctly in your custom tune man....

[bbyukonxl]

Thanx lew I finally got my headers and was waiting to have them put on before I hit you up with another log to c if kr is gone

[06MonteSS]

ok, cool.. yeah.. after you get the headers installed, drive for a few days... then get me a new steady driving log...