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    1. #2
      Join Date
      Jun 2005
      Posts
      1
      I've seen JB weld used to fill cylinder head intake ports in motorcycle engines that run to 15,000 rpms on a daily basis. Surely none of the epoxy breaks up or else it would run into the engine and ruin the whole damn thing.

      I've used JB Weld to fill my intake ports around the intake valve seats and guides to smooth the port roof on my 4 cylinder 1.5L engine (in a tercel).. It runs daily to 7200rpm with no problems.

      If you don't believe me, look at this.

      Hmm... looks like JB weld on a TURBO car with BOOST.
      http://www.2gnt.com/www/corbin/8inj.html








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