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Yep.. I was just trying to say that just driving is not a good test even going to a hill and running up it. To check boost the best way seems to be hold the motor at the given RPM while it is under a load and full throttle. A dyno would be great but even the 465 lds trouble shooting manual shows...

A truck running on a flat will not show much boost so you have to have lots of drag. It can be done with the brakes or tie four old dead Blue Whale's together and try and drag them around the yard. This should be enough drag if not add more Whales.

You can get 14 to 15 with the main and the smoke cam left alone. Believe they just tried to clean up the exhaust at idle to try and meet the EPA emissions. That is why I do the main and if I have two much smoke on take off I back the fuel on the droop screw setting clockwise. If we go counter...

All the IP's have a smoke cam adjustment but not all have the droop screw. The droop was added I believe so minor adjustments could be made to the lower rpm range without having to take off the FDC. Most of the time if you raise the main fuel ( twin nut) you will lower the droop setting as you...

I think he should leave the smoke cam alone in less he does not have a droop screw. The main fuel ( twin nuts ) control everything top and bottom end. The droop controls around 1600 to 2100 rpm. In most cases if we raise the main we have to lower the droop as there will be to much waist of fuel...