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A crossover pipe in the dual exhaust would be the next step. I was about to do that until my head gasket let go and now I'm going to cross over in a turbo.

The ONLY problem with the stock resistor system is that a bad glow plug causes the others to burn out as well. This is really minor as most replace their glow plugs as a set anyways.

Good batteries should hold 12.6 volts, even after a long period of time. If the battery dropped to 11.9 volts and you don't have a parasitic draw (these trucks don't in stock trim), then your battery is bad. Typical life expectancy for a lead acid battery is about 7 years. If you live in a hot...

What is the condition of the cluster? My gear position indicator portion of my cluster crumbled and I am looking to replace it. I have a NOS pointer and cable assembly but nothing to attach it to. I want my wife to be able to drive the truck and counting the clicks doesn't work for her

Most of us have hoists that go up and down but few of our hoists travel. That is why vertical install is easiest.

Easiest way to put a rotor in a generator is to stand the unit vertically on end and lower the rotor in.

Air tanks do not get x-rayed. They are fabricated using a qualified welding procedure and then hydro tested. ASME Section XIII covers fabrication of pressure vessels.

You shouldn't be able to see the normal sparks from the brushes or solenoid from the outside of the starter, those locations are all enclosed. NDT is most likely correct about a loose external connection.

My 1986 truck has most of the original rubber. It's good stuff. Be careful buying aftermarket. You need to spec the hose properly, the stuff on the rack at the auto parts store is not the right stuff, especially for return lines as the fuel is hot. The trucks came from the factory with Viton...

This is actually fairly normal if you get air in the IP. When I had a bad throttle shaft seal on mine it, the IP would drain back into the tank. The engine would start and idle fine but die about 200 feet after trying to drive it. A minute of cranking later, it would fire up and all would be...

Maybe you can find some convex glass from a larger modern mirror and grind it to fit your current housing? One that says, "objects in mirror are closer than they appear".

Looks like mill scale. If you are going to do an acid wash you have to do a caustic wash first. Any oil residue from the compressor will prevent the acid from doing it's thing. You may or may not care to manage the flash rusting as it dries. Radiator and engine shops can hot tank items for a...

I am not an expert on engine part refurbishment, I just have a lot of general knowledge about machining. I know they needed the caps for fixturing the rods, the bores need to be parallel. However, they should have been able to measure the center distance. The small end bore prior to installing...

There should be no need to know the rod center distance. Sounds like the shop is trying to get you for resizing the big end as well. Rod dimensions don't change over time so if your big end bearings were in good condition when they came out and you didn't mix up the caps there is zero reason to...

Hmm, it never occurred to me to Google DS4 to DB2 conversion. I only searched 6.2 serpentine conversion. I'm going to commit to my 180 elbow for now, see how it goes. Those aluminum 90's weren't cheap. I found a fast idle solenoid that has the adjustment on the pump side so it doesn't stick out...

I kept the vacuum pump for the TH400 transmission shift modulator. I do intend to use a mechanical waste gate. I tried getting a GM7 unit but they're only available in large quantities. It appears you converted yours to 12V and ditched the dual alternators? I am intrigued by the throttle cable...

Those two things aren't possible. The alternator voltage must be equal to the battery voltage unless they are not connected.

You seem hyper focused on the alternator but what is the condition of your batteries? I've never had an alternator alternate functionally. They always just stop working. The box full of acid should always be your first suspicion, much more to go wrong there. If you're batteries are more than 5...

It doesn't matter. Anti-seize is highly misunderstood. It's meant to prevent galling during tightening or loosening. It's a poor corrosion inhibitor. Pipe thread sealants would be better suited for most applications anti-seize gets used in. A sealant will keep the moisture out that causes...

I won't knock Fluidampr, I believe they build the dampers for our Cat 3500 series engines, they use a viscous damper. The high horsepower diesel engines all have hydraulic or viscous dampers. However, there is a middle ground. Power Bond has a damper for the 6.2/6.5 engines for a middle price...