Have an 03 at work for a service truck, randomly looses power and rolls tons of coal. what is boost on these so I can order the right gauge,
thanks
Russ
The stock turbo unloaded sees right around 24 pounds of boost threw the computer signal. I have seen 28, but only on trucks with a bit of intake and exhaust work. The turbo does just fine above 30psi all day long, though I would keep it under 35 pounds.
the 6.4 is completely different, having 2 turbos, and the international maxxforce 7 (your 6.4) at 300hp will see every bit of 36 pounds, so I could imagine the fords could see 40.
So my 06 f550 service truck may have something wrong with it then? It's weighed 20-22k pounds since it got it a year ago, and I've never seen more than 20 lbs out of it. I even went to and from North Dakota with my trailer at a combined weight of 28,460 lbs, and on the passes it held right at 20 lbs.
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