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I am adding a turbo to my M931. I have read through some of the threads here and I have not seen or missed it in the threads. My question is are the people doing these projects plugging the holes that go into the intake port in the heads when making a non turbo into a turbo engine? These ports...

Skull Well I have not done a thread. I have wanted to I just have not done it I have been taking pics just not loaded into anything but i will I hope soon and i will let you see what I have done. I am really enjoying your thread and a lot of others here on SS.

Thank you Skull Crusher for more pics of the old take out and of the one you are installing!!!!

Skull Crusher. Thanks for the pics you have here on your thread but yes if you can; it would be nice to see some more pics of your old engine. I like what you are doing to keep this truck alive It is a cool looking truck!!

Thanks Skull Crusher!! I would like a few more pics of the take out engine if you have time if not it is ok. I am just curious; at one time I was a diesel mechanic for a Detroit diesel dealer

I really like you project!! The engine you took out I wander if it was the original. It looks like a 6-71 2 stroke Detroit.

The intake I have has a glow plug in it and i am thinking about trying to make it work to aid cold starting but i am going to add a block heater so the glow plug probably not needed

Looks good jarhead1086! How well did the air to water after cooler fit into the cabs fire wall?

Jakelc15 Which timing thread did you post to? I am about to add a turbo to my 250 but I had not planed to change timing right away unless After I thought i needed to.

This is a very nice truck! I would like some more engine pics if you get a chance.

You might be able to take your engine S/N and CPL #'s from the data plate on the engine and call or go in to the Cummings dealer and have them look it up the o-rings should not be that expensive even from the dealer.

I think I have seen them on e-bay, any Cummings shop and most truck engine parts/service (local truck shop).

I would go ahead and check the service or TM manual and make sure all your hoses on the brake valve are hooked up correctly. One hose in the wrong spot could cause your problems or at least make your air act weird.

Yes you should have air at the park/ emergency glad hand if you release the trailer brake dash valve if you do not have air there you have some kind of problem.

Most likely they had the brake chambers caged because it made it easier to move unit around the yard without building air. You can check the chambers by taking the service brake line off the chamber and releasing the brakes and see if air comes out the fitting on the chamber which it should not...

Your tractor protection valve should not come into play unless you have the trailer brakes released or the trailer brake button on the dash pushed in. If memory serves me correct. If you are connected to a trailer and releasing its brakes then you could have a leak on the park cylinder inside a...

I am curious as to how the project is coming along

The best way to find the leak remove the valve cover remove the return line, get a bottle of florescent dye mix up a gallon of fuel with dye install a pump to build some psi in heads you will need to flow some dyed fuel first. (hand pump like the prime pump that is on the truck) pressure up the...

Dont bump it with the starter. (something bad could happen) use a 1 1/4" or 1 5/16" 3/4" drive socket and turn it over on the accessory drive pulley nut. It won't turn over that hard.

You turn the journal of crankshaft to the side; It will get out of the way enough for the extension to go through.