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Old 07-26-2012, 09:45 AM   #6
Duffy1
Senior Member
 
Join Date: May 2012
Location: Mo. City , Texas
Posts: 725
Default Re: 1938 "B" diamond engine

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Thanks Columbia ;

Good to know that these engines have hard seats . Anything else different( good/bad) about these engines compared to a model "A" or early model B. I understand the "B " engine casting is thinner around the valves than the "A" and are prone to crack. What type/heat range spark plug do you run? What is the gap on the plugs .
As it relates to the timing , If I time mine like a model "A" it is to far advanced.
If you like ,you can PM with this response .

Thanks again .
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