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My good friends grandson recently purchased a 95 2500 and was taken advantage of. I am helping him through his problem purchase and quite frankly I am stumped. Problem: No Start Overview: The truck has about 300K miles, the top of the pump has been into, and the previous owner removed the...

I finally got my cherry busted from this bombing stuff. I blew my head gasket from having a little too much fun. I found a very small amount of oil in my coolant. Anyhow, I popped off the head and found some very small water spots in all of my cylinders. They were so small they did not show up...

Howdy Y'all..... I am getting ready to replace the factory exhaust manifold on my old beast. I am looking at the PDI unit from Pure Diesel Power with chrome finish and having them port it. What is a T4 flange? This is an expensive setup. I plan to upgrade the turbo to a SPS 62 and want to make...

Has anyone ever heard of the VP44 computer having fault codes? I have been working with Cummins to troubleshoot a strange phenomenon (surge/shutdown) at 1500-1800 RPM. I received documentation from them that the VP44 computer shows 2 codes when the problem occurs. The codes are (fault 4) and...

I have a 1997 12V Auto with 190,000 miles that I recently got enough courage to start bombing. I broke into the 7100 this weekend to examine the fuel plate and try my hand out at grinding some power out of it. I guess it is somewhere between a #8 and a #10. I am unable to post a picture of it...

My 12V is experiencing cold start issues. My engine idles at 550-600 RPM during a cold start and rev to 750-800 RPM after about a minute and a half. I have tried adjusting the idle speed with limited success. What could be going on here? A possible weak transfer pump perhaps? The valves were...