I found what I was looking for. This site has; general engine specs, recommended fuel, maximum EGT & Boost, part numbers.
One can purchase a 12 valve cummins online at various retailer websites. One can purchase a 12 valve cummins online at MKM Customs, Xtreme Diesel, and Pure DSL Power.
1989 up till 1998.5 then they changed to 24 valve
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12 valve it is on the front of the engine, above the crankshaft pulley. 24 valve it is behind the starter, in the side of the block.
Turning the fuel screw on a Cummins will determine the fuel flow tot he engine. If the screw is set too high of low then the engine will not run properly and could cause engine damage.
Cummins is good. Dodge is not. Cummins has always been a good engine. Dodge is lucky to have the contract with Cummins. I have 2 Dodge Cummins (an 1992 and 2006). Both have electrical problems and the transmission in my 2006 isn't great and that's with stock power and only 93,000 miles. The 12-valve Cummins is all mechanical- easy and cheap to get power out of it. The 24-valve Cummins is computerized- have to buy a programmer. The best combination would be a Cummins in a Chevy.
1997 Dodge diesels come with the 12 valve cummins engine. It is fully mechanical and does not have a camshaft position sensor. "Dodge cummins diesel forum" is a good resource for dodge cummins owners.
The Dodge truck with the 12 valve did not have one. The 24 valve did.
Lower driver side of the block, just behind the engine mount, very near the starter.
Cummins (OEM) 12 valve (single wire) oil pressure sensor is located below the injection pump and could be in front of or behind injection pump support bracket. The location was determined by the factory installing the engine. Cummins (OEM) 24 valve (three wire) oil pressure sensor is located below the ECM.
94-98.5 dodge cummins 12 valve
The fuel pump is on the drivers side near the back of the engine next to the fuel filter, the injector pump is near the front of the engine with six metal tubes coming out of the top of it.