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customfab

05-13-2009 10:02 PM

Cracked exhaust manifold?

Is there a way to determine if an exhaust manifold is cracked? Or do you simply eliminate all other causes (cracked head, bad head gasket, cracked block) and assume?

Wondering if a local marine shop has a way to determine if I bring it in?

DareDevil

05-13-2009 10:05 PM

Quote:

Originally Posted by customfab (Post 2865695)

Take it off and pressure check it ,,u can do taht at your house !!

Clustergear

05-14-2009 12:56 PM

No Pressure tester: take it off and fill water jacket with CRC if its cracked you'll see the leak. You can buy CRC in a gallon jug. Drain it back in jug and save it for next time.

customfab

05-14-2009 01:04 PM

Quote:

Originally Posted by Clustergear (Post 2866059)

No Pressure tester: take it off and fill water jacket with CRC if its cracked you'll see the leak. You can buy CRC in a gallon jug. Drain it back in jug and save it for next time.

So simply fill the water passages with CRC? What about using water itself to check instead of CRC?

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