Thread: Service Block
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Old 09-27-2002, 11:46 PM
A Snake A Snake is offline
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Somebody with more knowledge than I have, will probably disagree, BUT, "NOS" means "New Old Stock". I have always interpereted "service bock" to be one meant for more than one purpose like a 360/390 service block once was. Now I know that the 427 wasn't offered in different dispalcements, but it could be meant for marine use or other industrial usage besides automobiles. If there are actual differences, I have no idea what they would be. Maybe one of our more knowledgeable FE guys will jump in?
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