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Old 03-13-2021, 10:58 AM   #19
Bob C
Senior Member
 
Join Date: May 2010
Location: So Cal
Posts: 8,756
Default Re: Model b waterpump

Vince has some good information on why you need to plug the steam
holes when mixing A and B heads and blocks.
http://www.fordgarage.com/pages/ABcy...asketguide.htm
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