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Do you know about the screwdriver test to check timing on the 6.2? With the engine warm and running. Put a large screw driver against the advance arm on the lower passenger side of the IP. Push the arm in. Then you have to figure out if is now running better/louder, worse or just kind of not...

Just to re state that every engine is different. I have 4 6.2 or 6.5 engines that get driven just about daily. Each one starts different, sounds different and for sure runs down the road different. German and agriculture diesels have a precise tooth to tooth alignment for the camshaft to...

You have found the black hole of 6.2/6.5 Diesel engine tuning. There are no published numbers from the manufacturer to do a static timing set up, GM never put out timing specs or timing methods. Snap-On, Kent-Moore and Ford all made a timing/rpm reading machine that works on the engine. Yet...

Are you stock or with a turbo? Stock you could probably step it up to 5° or even 6° advanced. I haven't pushed my turbo motor more advanced that 3° yet. Notice that your chart is for clamp on sensor timing. Not lumy probe. Put the probe as close to the injector as you can get it. The DB2...

You don't really need that part. The probe holder is supposed to be 9.5° offset from the 0° or TDC notch on the timing tab. I just held a tape measure up to one and it is about 1/2 inch from the 0° notch to the middle of the timing probe holder. How are you going to get a timing signal? I...