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SOLD 1973 big block HP exhaust manifolds

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ski1

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This is a set of big block HP exhaust manifolds. I took these off a 1973 440 HP engine a few years back. Passenger side casting # is 3751071 with a date code of F 142. The heat riser moves freely. The driver's side is casting # 3751068-1D with a date code of 2*15*73. I see no cracks or defects in the castings and all the flanges are straight and true. Asking $250. or best offer. I can ship but you know they are heavy. They could go by greyhound. I still have the engine as well but it needs a sleeve.

ski

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I visually checked them with a good magnifiing glass but did not have them checked via magnaflux, dye pennetrant or any other type of NDI. I have no reason to suspect they are cracked as they came off a smooth running engine that was a smoker and exhibited no signs of cracks or leaks in the exhaust. Is there a special reason you would be leery of the R/H or passenger side cracking other than maybe the heat riser being on that side? Let me know and I'll scrutinize it further. I may do some sandblasting this week and if I do I'll spray them down and report back.

ski
 
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