My '04 DSDP has the 370 Cummins. It seems sluggish when accelerating onto the interstate. I have a Trip Tek monitor on it that says I am getting 21psi of boost at full throttle. Does that number seem right?
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What we learned on our Essex with the 500 ISM engine that the computer reading for boost is limited to 32 PSI. Added a mechanical gauge ( a line running from turbo to a gauge) and got reading as high as 45PSI. With our X-15 605 again the highest reading we have seen is 32 PSI.
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