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A lot of people have had really good success with interfacing any local Allison dealer. They have been charged only 1-2 labor hours to have a well versed tech fidget known areas and fix problems, without needed for removal or overhaul.

Has been planned the entire time to strip the peripherals prior to install. But it makes sense to sense it up and test run it prior to install. Really not that much, and not required to, but safer if done. You’re just jealous you don’t have a mushroom button to click.

Who wants some of this engine/exhaust brake switch? That's what I thought. NAPA still stocks the old 2 speed rear axle switches and harness. 3 wire, so can config either way (up on or up off, etc...). I clicked it all the way home, not even connected to anything. BD Diesel makes a nice...

Cummins QSL (off-road) fuel filter config adapted onto ISL. This makes all filters self contained on the engine. Fuel lines directly to tank now. First spin on filter has water drain and water sensir, trips dash ligh if water present. I’ll remove my large frame mounted water seperator/filter.

Here is a 24v air solenoid that magically showed up to actuate the exhaust brake air cylinder. Will have a mushroom button switch on the shifter stalk, like the old 2 speed axle switches. Those are fun to just click up and down as you're tooling along. Rotary selector switch to pick Jake 1/2...

Put up a swimming pool.

Nearly all LED light have an on-board DC-DC converter, and step the voltage down anyway. By having an on-board power regulator inside of them, it automatically balances the volts vs amps to maintain a constant watt value. So, if it is a 56W light, it will draw 2 amps at 28v, or 4 amps at 14v...

Don’t get soft, the weak are killed and eaten up here. We don’t have an emotions department.

Yes, already bought new Volvo front mount full size charge air cooler, sized for a 14L Detroit Series 60 engine. Same one 4xdesign installed, 4” connections. He did a great job. Moved radiator back 2.5”.

I can beat Simp with the stock intake mushroom on, that’s all that matters.

Will do. I’ll probably have to knock out the audio, because at every gear scratchin’ shift I’m going to be yelling unappropriate unpleasantries.

Exhaust brake, turbo heat shield, then mug shots. Yep, not in the truck yet.

Love dead thread revivals, but just for clarity, it is the outer seal that keeps the axle oil out of the hub cavity. M939a2 does not have outer seal on rear hubs, outer bearing is oil lube. Inner is grease.

Start a new thread. Post your results as mentioned so we can create a library of knowledge.

Then you want an ISL. Same engine, but 400hp/1200ft-lb stock.

It is in marine with the appropriate damper. Ask member grendel here. He has a GSK (governor spring kit) in his 8.3 and has wound it up. He also felt abnormal vibration at elevated RPM that the hi spec damper likely absorbs. I can’t promise your engine will stay together at anything over...

Diesels really don’t have such. The stock governor on our mil spec 8.3 pulls out fuel at 2200-2300rpm. If you are asking at what rpm it throws a rod, I’m not sure that is known here, or anywhere besides the tractor pulling group.

Nope, they are a perfect fit. They will rev to about 3100-3400 in an 8.3L. You’ll want to manually shift the trans when you really need the power, as these will not change the trans shift points. During normal driving, no problem. The 8.3L in marine apps spin up to 3400, but they do use a...

PacBrake p/n HP10029. Available everywhere.

I'm still laughing.