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  1. Don Loeser

    Vortec head rebuild

    So I'm building a 383 out of a gen 1 roller block. I have these vortec heads off of a 99 suburban I'm going to rebuild. Beehive springs with comp cam retainers and new locks. Also comp cam 1.6 roller rockers. Hoping to get some opinions on cams from people who have done this. What kind of lift...
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