Rebuilding Part 2 Upgrading The Crate 028
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27 If you remember, we’re using 1.5 ratio rockers for the exhaust valves (left) and 1.7 ratio for the intakes (right). The ratio is adjusted by the position of the pushrod tip to the rocker’s fulcrum. Notice how much more closely the pushrod cup is positioned inboard on the 1.7 ratio rocker. View Related Article
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