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Old 10-08-2010, 07:03 PM   #6
Kube
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Join Date: May 2010
Location: Wisconsin, USA
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Default Re: Does Barr's Radiator Stop Leak reallly work

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The nice thing about the aluminum powder is it stays in motion if there are no holes (leaks) to fill. The Barrs, while a good product will eventually settle in somewhere. Perhaps where it could cause cooling problems.
Cadillac started using a form of the aluminum powder back in the 1980's. They had a huge problem with intake manifold leaks. Unbeknown to Cadillac owners that visited the dealer for service, the technicians were advised to add a tablet (GM equivalent of the powder) to every model having these engines regardless of the reason the car was in the shop.
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