Casting Chemical Coating fore water jackets: Explaination: Part 1

On older and even some newer heads that have had extensive porting this procedure will help assure you never spring a leak.  Ionization and porosity is the enemy of performance ported heads, and this is the cure. The chemical used in this video is economical for anyone to use, while the more professional substance is quite expensive. You can do this at home with a outdoor grill, and some duct tape to some degree, but to really reap the benefits of "PUMPING" a locking plate and pressure must be used in Version 1, while in this version 2 is more of a protectant and preventative measure. In this part I give explanation and purpose, This procedure was discovered many years ago when "leaking" was detected after welding cast iron, and was actually used to stop the leaks. After this was done a quart of this chemical was then added to the radiator to secure the coolant system.

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