Well when cold starting I'd at least let her warm up for a good 5+ minutes. Its not good to just start up and instantly drive a cold motor on any rig.
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94 Blue 2500 SLT, Standard cab, 4x4 AT, 4" turbo back straight pipe with 5" tip, silencer ring mia, starwheel cranked, fuel plate slid, aFe s1 intake, glowshift trans temp-boost-egt guages, RS9000 RCX shocks,Toyo AT 315's.