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20b questions

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Old Sep 16, 2014 | 01:34 AM
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sideways-FC's Avatar
sideways-FC
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LOPEY IDLE
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From: carlisile PA
20b questions
Got a few questions. What different 20b blocks r there? Do 20bs use CAS or how do they read rpm and all that?
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Old Sep 16, 2014 | 09:26 AM
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Early # series, A, B, C, D series. Earlier blocks weaker casting, later blocks stronger casting, D being strongest.

Mechanical CAS on Front Cover 4 wires
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Old Sep 16, 2014 | 10:36 AM
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sideways-FC
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From: carlisile PA
How do I tell what kind of block it is? And so it's like the s4 and s5 13b CAS? With a 24tooth and 3 tooth wheel?
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Old Sep 16, 2014 | 12:05 PM
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Numbers are on the housings and irons. You should easily be able to find the information you are looking for by searching and checking out the stickies.
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