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04-04-2024, 07:50 PM
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#15 |
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Moderator
 
Join Date: Jun 2017
Location: Greensburg. PA
Posts: 2,324
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Re: Hairline Crack in LM7 5.3 Block
Glad for the progress....
I use these tablets in both of my LS powered rides and have had zero issues. I believe they were originally formulated to seal small cracks in the alloy heads, but they work on cast iron very well... I add new tablets about every six months to ensure the continuing protection. 
__________________
Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2025 Chevy Equinox 
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