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This is from my own experiances with edge, I will never buy another! costomer service is horable and the gauges were very off. I sent it back and they sent it back to me saying everything passed there bench test, well i took my truck to a diesel shop and hed them test the trucks edge gauges with the scan tools they had and well that same day i bought autometer gauges and a dp tuner and have never had any problems. Edge gauges would read around 1400 egt driving down the road and boost at 10 max psi. Just get costom tunes and gauges Just my .02
How did you accertain it wasn't at 1400? Where did they pick up the boost at?