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<p>[QUOTE=&quot;AModelCat, post: 12204705, member: 167097&quot;]They make a high heat JB Weld that&#039;s good for 1000°F continuous. Not sure how well it&#039;d stand up. Have to remember that the crack will likely keep propogating until it breaks completely through the manifold or it spreads to a heavy part of the casting and slows/stops.</p><p><br /></p><p>Doesn&#039;t hurt to try but epoxys like JB Weld are usually used to bond 2 surfaces together, not as a coating over top of something. Worst case scenario you try it and it doesn&#039;t work. Its only $20 you&#039;re out.[/QUOTE]</p><p><br /></p>

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