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yeah, after bypassing the FDC you almost always have to turn it down.

yes but the point i am making is where were things really set to start with? correctly? how would anyone really know? unless a pump shop had done it recently, no one knows what they have other than to assume that if the seals are still in place it is right, and with the mil 'mechanics' that may...

while that statement MAY be correct, it seems to me that it would also be quite risky given you don't really know if things are set correctly to start with. you really need at least a boost gauge, just a pressure gauge that reads from 0 to 15 psi, and for stock performance manifold pressure at...

chuck, thanks for mentioning the booster pump. i think it is greatly over looked. i recently had a booster pump seal that was putting 3 gallons of fuel in the oil in 5 minutes. it can be tested the same way, just let it hang by the lines and turn on the tank pump. be sure to get a NEW seal, not...

i am surprised no one mentioned the field expediant method of setting the ip. you need a boost gauge on the intake manifold, set fuel rate for max 9 psi at 2300 rpm. if you do not have a hill, use low gear and the brakes to keep truck at 2300 (full throttle) and have soldier #2 read the gauge. tom