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I have had a coolant leak between the block and head under the #6 exhaust outlet for a while. I decided to fix it finally. Plan on: New Cummins gasket Isky tool to O ring the block O rings ARP lower end studs New valve seals 60lb springs Head resurfacing Anything else I should do while it's...

Got me a used turbo and took it apart to inspect everything. In hind sight, I should have just left it alone because I think when I pulled the turbine side off, the turbine blades got bent a little on the side of the housing. It was real hard to get off. Anyways, when I reassembled it I...

Which would you pick and why? F800 has a 5.9 with an auto trans International has a DT466 with an Allison 545

One of my tires is not quite round and when I am driving certain speeds, it seems like either my frame is flexing/bouncing in the middle, and/or my cab is bouncing up and down. Is there a chance that energy suspension poly bushings for the cab will stiffen it up and eliminate some of the bounce?

My timing isn't excessive, probably about 16.5*. Any temperature below 60 degrees its difficult to start when cold. Anyone else deal with this?

I pressurized my system, set my regulator to 40psi, and the boost gauge wouldn't move. I heard some leaks so I fixed them. One boot was leaking and the gasket under the grid heater was blown out. After that the boost gauge only went up to 15 psi. I couldn't find any more leaks outside. I...

I need a stock pitman arm for a 94-97 2500 4x4.

I got a K&N oil filter from the auto parts store here. I can't find a fleetguard dealer and didn't want the Fram. Anyone have any problems with them at all?

I looked in the phone book but wasn't sure what section to look in. Anyone know where I can get some Fleetguard filters and some 5 inch exhaust pipe on the west side of San Antonio?

I just recently put a new gearset in the rear and it doesn't make any strange noises, but right when the trans locks up at 38mph for OD and 28 if it locks up in 3rd, it has a strange vibration under partial throttle. feels like an out of balance driveshaft, but it goes away if I give it more...

I notice in my latest race here, that the smoke clears up quick. How do I get more fuel, or do I have it set up ok for the stock turbo? http://www.youtube.com/watch?v=58WRbGf3v4Y I know its not that fast compared to you all, but I think it does good for having the stock turbo still.

Is there any way to cut X amount out of the factory plastic fuel tank and somehow "weld" the pieces back together to make a shorter tank?

OEM injectors from a 95 2500 12 valve. $100?

Are the hydraulic fittings on the steering box the same as the ones on the hydroboost unit? the wierd O-ring-flare fitting? What about the steering pump? looks like this?

I drilled out my stock wastegate larger to try to lower my EGTs only to find out that my stock wastegate actuator doesn't work. I applied air pressure to the port and it didn't move. only air came out where the shaft comes out of it. Is what I did going to help alot with EGTs when the gate...

Has anyone installed a 3 quart oil accumulator on their cummins? It takes mine about 8-10 seconds to register any oil pressure in the morning and it has a rough, loud, low idle until the pressure comes up. I think installing one would prevent alot of unnecessary wear. so anyone tried it? I...

can regular hydraulic fluid be ran through the hydroboost brake unit and the steering gearbox without any issues? im going to be removing my steering pump in favor of a hydraulic gear pump incase anyone is wondering. flow and pressure will be regulated

I installed some new era 435s today, and when I pulled out my old injectors, the body under the hold down on the first two was dry, and had carbon flakes on them. but the last 4 were oily and clean. all of the tips looked the same though. how does oil/fuel get inbetween the copper washer and...

im working on putting a he351 compressor wheel onto my WH1C . I bought the he351 cover too hoping that it would fit, but the V-band flange is much smaller than the HX backing plate. so can't do that. What I am going to try is to machine the backing plate a little bigger so the wheel fits in...

what is the best sounding 5 inch muffler? I am looking for something with a deep rumble, and I want to be able to hear turbo too. want smooth sound. what do you all think? I love the way a BBC sounds with a good exhaust and big cam, if you can get a similar "rumble" from a 5 inch on a diesel...