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08-22-2011, 04:13 PM | #1 |
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Location: Fairbanks, Alaska
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Valve Adjustment - 1932 Service Bulletin Model A and B
I have heard a lot of discussion about Valve adjustments on Model A and B engines. Attached is page 43 of the 1932 Ford Service Bulletin which addresses both. Note that the Exhaust Valve is .020" for Model B and .015" for Model A, and .010" for the Intake Valves for both, these are minimum using a go-no-go feeler gauge. Many Model A replacement or diamond blocks came with Model B camshafts.
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08-22-2011, 06:03 PM | #2 |
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Re: Valve Adjustment - 1932 Service Bulletin Model A and B
These clearances might work with old style valves that were hardened steel, not stainless. New style valves need different clearances because of different expansion rates. I set all my Model A valves at ,011 intake and exhaust unless the grinder specifies differently. These old service bulletins will get you into trouble if you don't use the old style parts not new modern parts.
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08-22-2011, 06:15 PM | #3 |
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Re: Valve Adjustment - 1932 Service Bulletin Model A and B
James,
Thanks for your input, I should have noted that when I follow the Service Bulletin clearances I am using a Standard Cam, Solid Tappets and Original Valves. Darryl |
08-23-2011, 03:12 PM | #4 |
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Re: Valve Adjustment - 1932 Service Bulletin Model A and B
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