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what plugs for BB ?

1530 Views 11 Replies 6 Participants Last post by  SWHEATON
I'm running Delco R44T plugs @ .45 gap in my street only BB and have for years. Iron heads, HEI ignition. Time to replace plugs and wondering if anyone has a suggestion for any other brand or gap or am I ok with what I'm using ?
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I have also considered the ts as opposed to the standard r44t,but am concerened about interference with piston.How could I check?What about bringing piston to tdc then trying to install it ,or is there another method?
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