Quote:
Originally Posted by John Langer
I put the inserts in my new heads to try to eliminate the extra weight of the external water pump system. Made 8 dyno pulls. Pulled the heads off and added the external water holes and pump system...
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Are you saying the inserts didn't work?
I'm sure the water helps, but everyone that has used this mod showed a big gain in head gasket life.
Calvin Hill
Hill Performance
708-250-7420