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When the governor unloads at its set pressure, it sends system pressure to the small port on the bottom of the dryer. That applied pressure opens the purge valve on the bottom of the dryer To exhaust the collected moisture. There is a check valve in the top outlet port to the wet tank To keep...

I have a pair of 3-1/2’ pipes cut for tire work. 1” with .125” wall thickness. These fit thru the holes in the rim and right over the solid studs. You walk the tire in as close as you can, roll the hub to align the hollow CTIS stud and slip the pipes thru 2 holes near the top and over 2 studs...

You need a certain number of posts in this forum before you can initiate direct messaging. Cuts down on spammers who creat accounts immediately having access to the entire member list…

With the grill off, thats easy then, peek up in front of the top of the radiator. There is a pass-thru located there. The pedal and the park valve vents are tied together behind the heater and vent thru that port When you let off of the pedal or set the park brakes. If for instance the pedal...

Probably they simply had the parts laying around:)

Look for air leaking away out the vent up in front of the radiator. That would indicate the treadle valve or park valve is leaking Draining away the system air…

Well having the eco hub calculations fresh in my head, What is the total ratio in one of these manual+transfer combinations? 12:1? That probably would not work all that well. You are probably only going to get ~200# of idle torque out of a 6-7L diesel, and the clutch won’t be happy trying to...

You adjust the governor on top of the compressor, but you need to connect a gauge to the wet tank to adjust this accurately to 125. Procedure is in the manuals... The CTIS switch closes at 117, so the pressure may not be getting high enough to close the switch...

Have you reached 125PSI in the wet tank(brake service tanks)? CTIS will do nothing until it see enough pressure in the wet tank to close the pressure switch at the wet tank.

Mechanical cable to mechanical governor:) throttle responds great… depending on how they generate or alter a reference voltage(5vin, 0-5v out) something like a shorted winding section in a variable resistor could cause part of the pedal to be VERY non-linear. so instead of 20%pedal = 20%...

So have you measured your pedal to see if it is delivering a linear output? Garbage in=garbage out...

Yep, ECU would be where this would be altered, but it still relies on the TPS sensor functioning properly…

Yea i am not sure how the cat ECU uses or alarms on tps info. In general they typically accept any response within its recorded min and max signals. Sometimes they will record faults on eratic operation but tgat depends on how tgey are programmed and configured...

Wheel spin/speed is only looked at by ABS and shouldnt effect throttle respons...

Looks like the old battery electrolyte level tester, most junk them... That plug aft of the battery box is a boich connector. That finned dryer typically uses a different plug for the dryer heating element. Is this an A0 or an A1 truck, cause that is an A0 dryer...

I wonder if your TPS sensor is linear? It could have small dead spots in the low end. The ECU may be programmable for response, dut will still rely on a properly working TPS...

Well if moving ABS will interfere with individual wheel lockups and add pulse/applications that can actually make things worse. Quite a few topics i have read where people disable basic ABS for these type offroad operations. I have not offroaded much in an ABS equipped vehicle though... What...

well if you were going to be doing more of this type downhill driving, it would not be all that difficult to put together a more precise hand brake control. A lever, a pneumatic cylinder and a relay valve with an air supply, connected to the front blue glad-hand. The lever and cylinder would...

Well the 1079 is 500# closer to balanced when fully loaded:)

Thats one reason why I am not concerned about building my habitat out of steel:) i think i am still probably going to wind up a little nose heavy...