Chevy Small Block - Secrets Of The Cheap Hydraulic Roller Lifters
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It's important to check a performance cam in the block to ensure that the lifter guides remain perfectly flat on the tops of the lifter bores throughout the entire lift curve. If excessive lift moves the guides upward, then the cam base circle is incorrect and must be changed to prevent engine damage. Also make sure to place the lifter guide so you can read the "up" stamped into the guide. View Related Article
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