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prepping heads for por15?

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Old Jul 23, 2011 | 01:54 PM
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Default prepping heads for por15?

im going to be painting my heads/block in por15 soon, but i have a question about the prep on the heads.

i have a por15 engine kit (degreaser, metal ready, por15, enamel). is it ok if i etch, por, and paint the heads on the intake/heads mating surface? what about on the exhaust manifold mating surface?
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Old Jul 23, 2011 | 02:02 PM
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From: Monson MA
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Common sense says not to apply any coating to the mating surfaces. IMO
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Old Jul 23, 2011 | 02:04 PM
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thats what im thinking my self, but i have seen them done both ways.
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Old Jul 23, 2011 | 02:55 PM
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gasket surfaces have to be clean dont pain them.

As far as the external parts of the motor, yes the engine paint is good stuff..
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Old Jul 23, 2011 | 03:18 PM
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On the exhausts, just mask of the entire flat mating surface with masking tape, trim with an exacto knife. On the intake side, put the gasket on the head with a couple of bolts to hold it in place, and scribe the outline with a lead pencil or something similar. Mask off about 1/8" inside this line, and paint. It'll look good, and still have plenty of nice, clean gasket mating surface.


Scott

Edit: Mask off the valve cover gasket surface, too.
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