68-70 Hi-po small block 340 exhaust manifolds 2863553 2863549

SS23MOPAR said

Looks like water laid in the bend and froze to me???? Pour some water or better yet laquer thinner threw it and see if it leaks..........

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Don't know the history so maybe water did freeze and push out......not sure......anyway, I did run water inside and I get a drip about every 20 seconds so it will have to be repaired for sure....