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Old 11-20-2007   #6 (permalink)
loch
Water Injection Newb
 
Join Date: Oct 2007
Posts: 7
Default Re: Setup for 2006 Cummins drag racing

On a cummins straight water altho very nice at cooling it tends to put the fire out. Your times will drop. Mines an 89 12 valve, i run 50/50 mix, on an average i see around a 300 degree drop in EGT's. There are a few things to consider, when you hit the meth you'll see a boost spike. I dont know if your computer will like that, and try and compensate by defueling. Our trucks can live in 40 psi range of boost, but start going over that and head gaskets tend to fail faster. Mines fire ringed so it can take a lot more.

As far as mods, I run twin turbos and EDM injectors, Iv had no problems in any way. But dont go over aeound 30 GPH flow, first it will bog and you'll lose time.
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