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12-18-2006 08:17 AM #1
bbc rectangular 188 casting heads
Hello I just got some bbc 188 casting heads and was just wondering what kind of plugs do these use.Do they use the 5/8 style plug without a gasket or do they require the 13/16 style with the aluminum gasket..thanks for any help
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12-28-2006 03:19 PM #2
Are these heads stamped 14096188,if so they are rectangular ,open chamber 70-71 454 heads. Plugs for a 70 LS-6 from Advanced Auto or Auto -zone should work . Chevelle Malibu or Corvette. I like the Autolite Extreme Perf. plugs .I believe the part no. is XP-24. They are high quality plugs.
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01-17-2007 07:47 PM #3
They are gonna be the plugs with the gasket if they are from 1970. They aren't the taper seat until later years.
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