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“Mostly they made mining and rail equipment” … and it shows:) Oooh I like the dash hood, never noticed that before, may have to make one of those for mine…

Yea,I havn’t seen anything like that in any of my wanderings thru the drawings… ecm fan control feeds the fan solenoid and the aux fan relays in parallel/simultaneously via the fan override switch. one thing the ECU may do is be predictive and roll on the fan earlier than 205 based on rate of...

Another option is to make a flat plate one that lays flat on the dash with a curved front that extends out to almost touch the windshield. The gap you leave determines airflow, or you could even make triangle or half round passages on the edge, to form air ”nozzles”. Plenty of room beneath a...

Hang it by a string, spin and spray…

Well in the first pic, that doesn’t look like rust on the hose support plate(trans cooling hoses), it looks like an oil leak and accumulated dust/dirt. Since that is under and to the rear of the turbo, they may be related… could be a turbo drain gasket in pic 2. Need to get the truck and...

Yea I am not sure what engine temp the ECU is programmed for. General surely knows. I am planning on connecting my trans temp and engine temp senders to the oil sample ports near the trans cooler And on the engine oil cooler. Don”t have a need for the oil sample ports. this won’t tell you...

What truck and engine? As far as I have seen the aux cooling fan relay is piggybacked off of the engin cooling fan circuit. On the A0, triggered by the 205F coolant switch in the upper rad pipe. On the A1 controlled by the ECU engine temp fan setting. there is a thermostatic bypass valve that...

Driving a diesel around above the peak torque RPM is like driving with an exhaust brake on due to all the added pumping losses. You burn a bunch of extra fuel and create a bunch of added engine heat to overcome those pumping loads Then there is the added losses from the 6 gearboxes at the...

What General said You are probably never going to get to the weight and conditions that aux cooler was intended to deal with. Your system has the same heat exchanger all the other trucks have, you can simply plumb the trans out and in direct to the cooler by removing the thermal mixer, and...

OK, well the buzzers should be going silent ~90PSI then unless you have a sender issue...

Yea the outer seat looks like it was put in like a helicoil and would take an extractor to remove it. The checks don’t provide all that much resistance as the cab can move pretty darn(scary) fast before the check ball seats:) the RO in the rod end port on my cab cylinder was an Allen head...

Ok yours is the first cab cylinder I have heard locking. I have gotten mine to start to lock lowering the cab too fast since my manual system allows me to control that speed with a dial/needle valve(starts bouncing as the ball locks and releases). Then there is the one that didn’t lock and...

Have had no issues with AW32 at any temp I have tried it, it does thicken at very low temps. Both are considered ~10wt hydraulic oil at typical temps... the only cylinder checks I have ever seen jam are for the tire crane and only in the lower direction, and I think that is entirely due to...

Genuine Delco or a Delco “compatible”:)

You only need (or want) 2 batteries. 4 are too much load for the 60A/40A alt. there is an Allen head plug on the passenger rear corner of the hand pump. Fill it and replace the plug(it must be sealed). You also need to put some up in the air op pump reservoir between the spare and the air...

Yea, strange S#!^ happens in the mythical land of mil-spec… I bet that surplus minute didn’t last for long:)

Nice project, but what do you have planned for all that power? Real bat-signal searchlight on the back:) 250A@28V is 7KW of power… to put this in perspective, my backup genset for my house is a slow speed diesel, ~6.5HP so can deliver a sustained 3KW of power. That gets me every light in the...

thank Dave Ramsey:) how high do your air pressure gauges get? If they are not making it to 125, something is wrong, bad pressure sensor, air leak(most likely), mis adjusted governor or compressor problem... i would recommend introducing another way to measure air pressure, like screwing a...

mine had the property transfer document(ticket to DRMO) showing the original cost taped to the dash when I got mine. Found a telephone emergency contact sheet for a base in South Korea when I pulled out one of the crew boxes:)

It is confusing, and I don't like coincidences! but like any elephant it still has to be eaten one bite at a time:)