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Originally Posted by Lantanafrs2
I'm always concerned about mitigating any contamination. Once upon a time I spent big bucks getting a crank ground and plated. Too bad the oil passage wasn't cleaned properly. I should've double checked it before assembly but didn't and the motor lasted a week. I'm impressed with your knowledge of these cars.
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Rebuilding engines is like paint work, the prep is the most important part. If rebuilt every oil passage, in-block filter, VVT sprockets, Oil pump gears, etc will be cleaned multiple times. Will likely also put a magentic drain plug in it and change the oil & filter after running up to operating temp. Can't be too careful....
Good news, machine shop says they can micropolish the cams and carriers. Should have them back in a few days.
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2020 GMC Canyon Denali Duramax, 2021 Forester Sport, 2000 Subaru Legacy B4 RSK 5MT (JDM Import) and random 86 chassis rebuilds....