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Valvletrain Myths Different Ratio Rockers

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This small-block Ford race engine has a 1.75 intake rocker ratio (black) and 1.6 exhaust (red) because the intake valve responds to high accelerations while the exhaust does not.<BR><BR>
Setting The Record Straight - Exploding Valvetrain Myths

This small-block Ford race engine has a 1.75 intake rocker ratio (black) and 1.6 exhaust (red) because the intake valve responds to high accelerations while the exhaust does not.

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