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By John F - 17 Years Ago
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I found a set of rocker arms that have no numbers on them. Anyone know a quick way to tell what ratio they are?
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By Pete 55Tbird - 17 Years Ago
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Measure them. 3 inch are ECG or 5751 and 3 1/8 inch are EAN. Shorter are higher ratio, ie 1.54/1
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