Wish I knew!! I'll bet they are pretty high! I have only put it up there on two occassions and both times I forgot to look at the egt's. Too busy watching the road to check on everything I guess. I know that on #3 on a hill if I get right after it, I have seen 1300, but I think it is set to start defueling at 1350! To be honest, this thing has so much power that I am afraid of smoking the tranny. Imagine that, on 70% WVO too!! Dam - I Love This Truck!!
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HAD - 94 Chevy Dually 4x4 - 6.5 Turbo
96 Chevy Ext.cab 4x4 - 6.5 Turbo
99 GMC Dually 4x4 - 6.5 Turbo
HAVE - 2005 GMC Sierra crew/6'box - 4X4 - Duramax w/Allison. Fully loaded - AiRaid intake - 4" Pinnicle Performance Exhaust (No Converter - Straight through muffler) - EGR blocker plate - Edge Juice w/attitude - 2" plug in Turbo Resinator -