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I am on my 3rd head gsk in aprox 2500 miles. I have been going easy on the GO PEDAL since doing all the engine and transmission work. By the numbers my twins should produce 70-80 psi, but i have been pretty easy on them only going to 45-50 psi before letting out of it. I am wondering if i should...

My build up iv been working on for about a year has come to a halt. I have done alot of up grades to my 1998 12 valve ext LWB 4x4, ATS Twins ( 3000 over 5000), 4" mbrp, DDP stg 2, DDP adj fuel plate, DDP delivery valves, 3k gov, ATS Arc flow manifold/T4 ex, KDP killed, ARP head studs, #60 vlv...

Iv got a 1998 12 valve with rear drum breaks. My question is, can I swap with a newer model for disk brakes? If so what year models will work? Thanks Myoldodge

I check my oil like a religion, at least once a week around town and always while on road trips. I noticed all of a sudden the motor was "MAKING OIL", and I had to crank on it for an extended amount of time while pressing on the peddle to get it to start. And now it is smoking alot more at an...

I'v got an early 98 model 12valve with tan leather interior. The power seats dont work and are broken down needing new seat pads and covers. The seat belts are in the seat back instead of on the door post. What is the newest year of pickup i could swap seats,tracks and seatbelts out with for...

Hey guys, im still building my 98 12valve. Here is my question. The Bosch P7100 160hp vs. P7100 215hp pump. I have a early 98 12 valve with an automatic transmission that came with the 160hp pump. Is this the same injection pump with different guts???? If so what parts are different? And can I...

I have build my 98 model 12 valve's engine to preform how I needed it to but at the same time I have build a strong enough motor that the transmission can not hold up. transmission is slipping in first and second and will not lock up, but when if and when it shifts to overdrive hold on to your...

Hey guys, I am in the process of building up my 98' 12 valve. My question is on the subject of upgrading the turbo. I know there are a lot of opinions on who makes the best turbo's. Since I have been a subscriber to this wonderful forum on good ol dodge trucks, all my problems have been solved...

My early 98 12vlv i just bought is about to freeze me to death. I work in north dakota, needless to say it gets alittle cold here. I have replaced the thermostat and have plenty of coolant. Motor temp is 180 deg but very little heat from the vents. I have blocked the grill with no results. With...

My early 98 12vlv i just bought is about to freeze me to death. I work in north dakota, needless to say it gets alittle cold here. I have replaced the thermostat and have plenty of coolant. Motor temp is 180 deg but very little heat from the vents. I have blocked the grill with no results. With...

Can any of you guys tell me what the torque spec's are for a pulse flow exaust manifold and new injectors on a 98 12 valve?

I just bought a 98 12valve from texas where the heater is not that important. I live in North dakota where the winter is pretty rough. When the motor is at running temp of 180 deg, the heater will not get very hot. Its already cooling off up here to 35 deg at night. Any help or suggestions would...

Hey guys, I am building up a 98 model 12 valve. So far I have an AFE cold air intake, 4'' exaust, ATS intake and exaust manifold, #10 fuel plate, DDP stage II +75hp injectors and a full gauge stack. I don't know what would be the best application for the turbo up grade. Im needing some...

I have had a new fuel plate, boost elbow, waste gate, AFE cold air intake, 4 inch turbo back and gauges put in. I had a well known diesel performance shop install my fuel plate, boost elbow and fuel overflow. They timed the pump and did an overhead job. It doesn't hardly smoke and the power just...

Im starting the build up on my 98 12 valve and everyone tells me to take it to Cummins and have the KDP covered with the tab kit. When I talked with the lead mechanic at cummins, he said not to worry about it until Im making over 500 HP. My build up should come in at around 420-450 HP. Plus...

I am going to start up grading my early 98 12 valve that is completely stock. Hoping for end result of around 550 RWHP. Engine has 179,000 miles on it. Should I roll new main's in the bottom end??

I am needing to replace my fuel lines due to air leaking. Where can I find them???????

I have an early 1998 12 valve club cab LWB 4x4 auto that is completly stock. The truck has aprox 178,000 Hwy miles. I don't know which aftermarket company and what equip to use for horse power and fuel mileage upgrades. I have been getting around 21 mpg on the hwy at 70mph, but I want more...

Hello everyone I have an early 1998 12 valve 2500 club cab 4x4 with 178,000 miles. Its completly stock from bumper to bumper. I have some problems that have just started. Problem 1: With the pickup in drive, if i just bump the gas and let off the truck dies. Problem 2: Once the engine...

Hello everyone I have an early 1998 12 valve 2500 club cab 4x4 with 178,000 miles. Its completly stock from bumper to bumper. I have some problems that have just started. Problem 1: With the pickup in drive, if i just bump the gas and let off the truck dies. Problem 2: Once the engine...