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Old 03-23-2012, 12:28 PM   #23
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Yes, make sure the block is clean and no assy. lube spills onto the block before you install the bearings. The old, run the engine at 2500 was for flat tappet camshafts in V-8 engines which required some heat at the cam lobes and lifters to heat treat them together and to insure a lot of oil splash reached the cam and lifter assy. On V-8 engines most of the oil that hits the cam comes from the crankshaft spinning and spraying the cam with plenty of oil. I just crank em up, check for leaks and take em for a little ride to make sure everything is o.k. I use surgical gloves to keep from washing my hands all of the time. That being said, being clean at assembly time and making a checklist are very important to the longevity of your engine. The metallurgy is so good now, that modern engines do not need the anal retentive break in procedures that were required in the old days. Just do not dog a new motor or you will run into trouble.
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