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My God I hate this attitude both on this site and in life in general. We do it this way and how dare you question! Look just because the military does one thing doesn't mean that is the only way to do it. In the world of civilian heavy trucks there are a 100 ways to approach any issue and...

I don't have CTIS so I have the luxury of just watching you guys hash it out. I do think it is worth noting that antifreeze is not water and in your arguments it shouldn't be treated as such. It is anti corrosive and has some lubricating properties. Not saying it is a viable option but at...

I wonder if tire slime is too thick to spread out evenly at slow speeds? Might cause some vibration around town but I know it would work out on the highway Never used the stuff so I am not the best to say. I know that would cause issues with CTIS however. I premix my antifreeze in a spare...

What about substituting the airline dryer/antifreeze? We know that stuff will not hurt the airlines or CTIS system right? It is also cheap. I have no idea what it would do to rubber but given that there are rubber O rings and diaphragms all throughout the system and given how very, very tough...

The NAPA stuff I used says on the bottle it protects against corrosion for all types of metal and that it protects rubber components. I think it would not be a good idea for CTIS however. -Ken

Not saying you should do it but I did and this is how. The difference was amazing. I should have done more. I know in the video I say it is a pint but it is closer to a quart. I think 2 quarts (an actual pint) would have been about right for mine but wow, the bit I did changed things. I...

I have seen 90 degree grease fittings but don't own one. I took the die grinder and champhered the edges of the yolk some, that and grinding down the grease fitting on the belt sander gave me enough room to get on and grease it. As others have said, it is a common skipped part. Luckily it...

Yep the inside diameter was sopt on so I ordered it. Living out past Hellingone Montana means it could be next week before I get it to try. I will try it out as soon as it comes. -Ken

I have a cheap key chain infrared thermometer. Not sure of it's overall accuracy but it will help me get comparison numbers. Suprfknman they are sealed on one end, same overall length, 11 instead of 12 inches in diameter with a thicker/deeper pleating thus much more surface area. I just need...

I think the bad boy I am settling on is a Fleetguard Cummins Air Filter - AF25354. It is 1 inch smaller in diamiter which will mean a 1/2 gap on that lower third of the housing, when you do that math it is a vast improvement for the media there regardless of who makes it. The filter media is...

Does yours cup the bottom third of the filter tightly like mine in the picture? That alone cuts flow. The elements I am looking at have thicker walls so the pleats are larger giving you a substantial boost in flow just with surface area alone. Looking at quality filters from OTR trucks I can...

I found lots of them from other applications that will fit, flow better, clean better and will allow the truck to suck air at high volume from the entire filter. Including one from K&N but it is spendy at around $200. I will post with numbers and sizes as soon as I have time to organize it. I...

Sorry 923, fixed it in edit. -Ken

I did search, and paged through about 4 levels of results before I gave up. Pulled my cleaner cover off tonight to inspect my element on my M923 for the first time (I was told it was new when I bought it). That is a strange design. With all the talk about getting more power from the 855 I...

Use builds heat so the 1000 miles would have built more heat and/or pressure than sitting parked. Dosen't leak when I drive it around long distances, just leaked the once sitting for three weeks. That doesn't sound vent related to me. I have never seen an axle in anything do that before...

I am the second owner since the army but as much as I have been told no motor modifications at all. She is really slow to have had anything turned up. No water temp rise at all. No rubber mounts on the standard stack but then this ISN'T the standard stack anymore. I used your typical...

I moved the exhaust on my 923 from the stack to under the bed and out the rear corner. Didn't have a choice as the state of Montana is requiring it for what I plan to do with the truck. I went with 4" to match what was already there. Did an amazing job making the cab quieter but, and this is...

Just curious if this was a 923 'thing'. Rear axle seals seem fine, nothing is coming out when driving more than 1000 miles in 2 days but left it parked for 3 weeks and I have gear oil running down and dripping off the drum. Drive it around and again nothing seems to be leaking while moving...

Seats, belts, sides and exhaust are done. Took her for a spin and found some issues but for the most part it all works as it should. Still need to curve my top bars and edge it then I can pop on down to the custom awning place and have a rubber/canvas top made for it. -Ken

All of the seats have been modified (to facilitate seatbelts) and bolted in. One of the modifications they are insisting on is driveline hoops, I guess they have never drilled through the bed of a 923. Having tested my top bow idea in wood I bought the steel and have the uprights and most of...