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Reply to "roller camshafts"

I am running a Crower mechanical roller lifter cam 234 intake, 244 exhaust 110 lobe separation. I like it, about 1500 miles on it with no problems. I have heard the distributor drive gears wear out in 2000 miles. I am going to inspect my soon. I priced a polymer gear at Summit for $116. I may put that in if the gear is worn. I thought of a hydraulic roller too but was told the heavy hydraulic lifters wear out the valve springs quickly. Crower tech department told me absolutely do not to use synthetic oil.
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