Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - BBC Crane Gold Identification Marks
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Old 08-06-2012, 08:27 PM
Ripper 410 Ripper 410 is offline
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those are id markings the triangles show direction markings the numbers are off set sizes all big block chevys have cantered valves the markings made on the rockers are measurements they took while matching the set on a motor to help equalize the horrible geometry of the cantered valve design Crane actually did hands on adjustments and machining too there products which is why up to there recent management problems they were one of the best valve train companys in the world
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