Joined
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93 Posts
recently had dsp5 and robs tunes installed on my truck and have been extremely happy with everything. just curious, i usually keep my truck in my #4 position which is a 90-100 daily driver tune which i get the best mileage out of, when starting up first in the morning when the temps are somewhat cold 40-50 degrees, is it safe to start and run in my # 4 tune or should it be set to my stock tune until the truck has time to warm up?