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Blower LO speed is driven from one battery (12v). Blower HI speed is driven from 24v. Just FYI as you diagnose.

7psi is the specified rating of the vehicle's cooling system cap.

We'll see. It held 7psi cooling system pressure test for several minutes, and the best we can confirm so far is the new rings did not seat. The piston sides show signs of leaking combustion past the rings, especially on the wrist pin opening sides. Compression numbers were low, and leak rates...

Is that with the stock MV pump? If so, that is what I was looking for. What configuration of dump hoist are you using? If scissor, did you have to raise bed, or does it hit axle doffs at full axle travel, and what is you full dump angle? Sorry for all the questions, thanks.

Mine is 2150rpm which gives 67mph in top gear. Can reach almost 2300rpm on a freeway downhill, but no more. A GSK (Governor Spring Kit) from a 5.9L will increase it. The 8.3 goes up to 3000-3400 range from Cummins in marine apps.

925A2 so 14' cargo bed. Dual cylinders direct mount from frame rail outside to bed center boxed cross member, kind of like a Volvo dump truck. Probably 60" stroke, cylinder bore TBD. I don't want to lift my bed for scissor mech clearance, and if flipped I think the axle diff would crash into...

I believe it has to do with todays machining processes vs yesterdays. The finish they can leave now is nearly the same as a "broken-in" engine, so not much breaking in happening right out of the gate anymore like there used to be. And, they are also reducing the number of things that break-in...

Yes to all pretty much. You can bypass it, but you would need the vehicle side harness connector to do so, and then you would have to unplug it to shut down, so that would be emergency road side use only. When you hear a click, it is the solenoid pulling in, but the contactors are not...

False. Todays engines still run 198F thermostats in them. They now minimize the amount of coolant the engine block can hold, to allow faster warm up to reduce cold start emissions faster, and increase passenger comfort sooner. They also are now using electric controlled thermostats and water...

I don't know, you don't look that young in your avatar pic...

That manual is not that old, pics are in color.

I'm not an expert, but I don't think an HX50 is configurable. Meaning, it is the compressor and turbine sizes that make it an HX40, HX50, HX52, HX55, etc.... The HX50 is used on slightly larger Cummins engines such as an older L10 model. You could get one cheap from a used truck parts yard...

They used Holset HX40 and H1E interchangeably. Here is the tag on mine I just shot for you, open fully and zoom if you need. If you plan on wicking up the fuel, and you are buying a turbo anyway, maybe think about an HX50? Ours do well also though, up to approx the 300hp level or so. They do...

That is a very interesting perspective I had not considered. I know they specify not to run synthetic for that specific reason, but we didn't. Also, todays oil do not have the zinc levels in them anymore like they used to. Still an interesting point though. Good thinking out of the box.

I'm guessing WildChild467 was the guy on the orange one in this:https://www.youtube.com/watch?v=dQMnG1-drnQ

It is not a radiated heat issue. It is a cooling air flow issue of self generated heat, combined with low temperature rated electronics. If you are heart set on keeping the stock alternator, the best you can do to maximize its life is to lessen its load to a minimum. Load test your batteries...

I believe the factory relief valve of an M925A2 hydraulic system is set at 1800psi or 1850psi or so. I'm looking to add dump cylinders to my cargo bed this spring, and if I can up this pressure, I can reduce the cylinder diameter/weight/size/cost. Has anybody messed with their relief valve, or...

Only a hillbilly would try to go forward and backward at the same time.

Wrong section, but here is your thread, if he wants to simply change the style of the one he already has. If he wants to add one in addition to what he already has, that can and has also be done by several easily with flat plate behind the existing alternator bracket...

Exactly. When people say "They don't make them like they used to.", I say thank goodness. When was the last time your car stalled backing out of the driveway? Your vehicle can tell you what is wrong with itself to your phone? You don't need to rebuild your engine because it is blowing blue...