Re: cub head repair

Posted by Andy Martin on January 05, 2005 at 05:41:10 from (64.219.39.195):

In Reply to: cub head repair posted by scruffy on January 05, 2005 at 04:43:56:

First choice:

Braze, preheating the head thoroughly to 300 deg F to 400 deg F then slow cooling. Take the head to a machine shop and get it trued up as the last step.

Second choice:

JB Weld coupled with Barrs Leaks. Still wise to have the head trued as the freeze fracture will have left residual stresses which may have left it warped. Years ago (1970) I fixed a Chevy 265 V-8 with epoxy and drove it four years with no apparent failure. Water jacket in block was pushed out it's thickness plus 1/8" just under the deck.

Third choice:

Nickel weld with appropriate preheat followed by machining.

Fouth choice:

Use up another head and discard the repairable heads.

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