Thread: Drilled crank
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Old 04-04-2016, 10:29 AM   #4
Jim Brierley
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Join Date: Jun 2010
Location: Temecula, CA
Posts: 4,089
Default Re: Drilled crank

The above answers do not answer jfreddie's questions! I once bought a C engine with a drilled crank but otherwise stock oiling. This engine had been raced but on inspection there was no damage to any of the bearings. I would run it as you now have it and not worry about anything. The dippers assure that the rods get oil immediately on start-up and the mains will still get oil from the valve chamber, all should be OK. Balance should not enter into the question.
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