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Thank you for posting this

This is more about finding a readily available more efficient turbo that possibly cost less than a surplus unit. If it makes more power that is great but efficiency and service life is the goal.

Not reinventing anything just trying to reduce shock and stress on the internal components. The difference between a well tuned machine and one that just runs is how long they will last.

This is why I am interested in a turbo that is more efficient and wastegated. When you turn the fuel on a stock turbo one of the problems is not being able to control the boost. A more efficient compressor will produce a cooler charge at the same pressure and you will be able to prevent...

Mine is also a non turbo but the only notable difference is the fuel injection timing that can be easily changed. As far as the 5t multi the general consensus is that the difference is the rocker arms are a larger ratio giving you more valve lift. So you don’t need to change the whole engine if...

This is still in my plans but life got busy and this is not a major priority at the moment. I definitely believe that a modern more efficient turbo will help with egt’s and controlling overboost like many people experienced when they turned the fuel up maybe a little more than they should have.

So here is what I am thinking (still undecided on the turbo) but after reading as much on diesel injection as I have recently. I plan on pop testing my injectors and setting them to the minimum spec. This will marginally decrease power but will spread the injection event over a longer period of...

https://www.sciencedirect.com/science/article/pii/S2212540X14000248

The problem with those calculators is they do not always account for total engine flow but base their figures off of general engine efficiency statistics. In the case of the ld series engine it is not as efficient as many of the other engines that the calculator is used for. Being that I am not...

So it seems like there is no negative to regarding the timing when adding the turbo. It will help the turbo be more responsive and decrease static cylinder pressure. the turbo I am looking is a t4 hot side on a hx35 they are sold as a upgrade for the 5.9 Cummins. I want to do a little more...

https://www.steelsoldiers.com/threads/m35a2-non-turbo-to-turbo.169979/

Does anyone know the reason that we are supposed to adjust the timing when adding turbo.

Did you change the injection timing

That article is talking about extreme lean condition that causes preignition. I have read about this before and it is not easy to get the condition right to do this in a diesel. Basically you need to have a combustion chamber or a piston that has a (hot spot) that causes the preignition. With as...

correct me if I am wrong but the way I understand you can not run a diesel to lean. Unlike gas engine that will run high egt spark knock and melt pistons when lean. Where a diesel will run high egt with lack of oxygen and surplus of fuel.

I don’t know if I can find the thread any more. I just remember the guy saying the truck ran like crap until he changed the timing. This may have been a isolated incident. I do not have a target boost number but would not be opposed to running 25 psi if it would be safe.

I am starting to research and plan the turbo upgrade for my truck. Because I am planning on using a aftermarket wastegated turbo there are a few more variables than just buying the military upgrade kit and calling it a day. Let’s hear your ideas and opinions on what will work, what precautions...