Re: farmall A rebuild

Posted by MattofVinings on January 10, 2007 at 06:23:19 from (198.208.159.19):

In Reply to: farmall A rebuild posted by lundy on January 09, 2007 at 15:51:35:

Couple things, if this is the newer graphite-based headgaskets, if you put it on once, throw it away and put on a new one. The gasket should stick to the surfaces so well it will literally tear apart when removed.

The old steel-backed asbestos gaskets can probably be reused, the sealer I've heard mentioned the most is K&W CopperCoat.

The metal "fire ring" in the gasket of either kind should crush down and deform under the head's clampload...that said, make sure you use a click wrench (torque wrench).

I like to work on the head and block surface with a flat machinist's scraper (no radius) as this will generally do a super job to the point of making the original single-point tool marks (planer marks) visible again, and highlight any areas of bad pitting.

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