Breaking Cummins In
Is there a NEW cam in? Not new to you, I mean like it's never been in a truck before. If so, then refer to the manufacturer for break in procedures.
Aside from that, I would use some sort of ZDDP additive in the oil to minimize wear of metal to metal components (pretty much everything). You can hook up a trailer to it. That is the best method. Tow something around for about the first 500mi. or you can beat on it. I did the later. My truck seems to run fine 10k later. Bottom line, you want to put it under load to seat the rings ASAP. Or, it'll just take longer lol.
Lastly, run a cheap oil and filter for that first 500mi. then switch to the oil you plan to regularly run. Any crap still in the block or the head from the machine shop should be mostly cleaned out in that first 500
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1997 Cummins 2500; NV4500HD; SB DD; 315/75R16; 3rd Gen Track Bar; 63/65/14; AFC Live; 7mm DV's; 4 GSK; Mac Rack Plug; Custom Fuel System; 5x.012; Colt Cam Big Stick; 60# Springs; PDD Stage 1 Push Rods; O-Ring Head; Head Studs; Fluidampr; Boost/EGT/FP Gauges
Last edited by Stox5225; 07-06-2017 at 12:09 PM.
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