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Old 05-16-2018, 02:07 PM   #3
Dragsinger
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Location: Liberty City [East Texas]
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Default Re: AC Delco Seal Tabs

Brian,

the Delco tabs are a good product. In addition to the method you mentioned they can be put into any cooling system at any time.

The tabs were developed for the North Star Cadallic aluminum blocks which leaked around the head studs.
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