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By 55Birdman - 16 Years Ago
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what is difference between EBU and ECZ main caps? I know one is 292 and the other is 312 when ID of a block is an issue. Is it just a diameter difference?
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By mctim64 - 16 Years Ago
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ECZ is the 312 cap, bigger dia. mains. Journal is 2.624" (2 5/8") Housing bore is 2.816" 
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