I agree, stuff does happen. The question is at what extremes does it happen, and how "durable" is the item under extreme conditions.
Dude, you're leaving over 150 HP on the table. Do you think a hydraulic roller is capable of making that additional 150 HP? If not, what type of cam and lifter would you suggest to reach the 800 HP potential of the heads, speaking as a racer and not as an engine builder/businessman?
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