Oxidised Engine Aluminium - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 25-02-08 Thread Starter
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Oxidised Engine Aluminium

Can you advise me of products which will stop/reduce the oxidization of aluminium on Sud engines to keep it pristine after rebuild
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Re: Oxidised Engine Aluminium

i can't help, but i'd love to know - tried Meguiars All metal stuff, but didn't seem to want to do much on it!
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Re: Oxidised Engine Aluminium

Alu' corrodes the same as anything else. Just more slowly and without going orange.

Some alloy parts (e.g. wheel rims) are lacquered but this isn't completely durable and the heat may affect the top coat of lacquer on an engine..

Also the heat tends to dry off any temporary protection offered by metal cleaners such as Solvole Autosol.

Wire wool is good to clean alloy and a wire brush on the end of a flexible drill bit extenstion may be a good way to reach any difficult areas.. but really there's no way to keep unpainted/unlacquered alloy from tarnishing, except smearng the engine in oil.

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Re: Oxidised Engine Aluminium

A silicon spray might do the trick......
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(Post Link) post #5 of 5 Old 28-02-08 Thread Starter
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Re: Oxidised Engine Aluminium

What do you mean by a silicone spray? Does anyone produce a heat reistant laquer
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aluminium , engine , oxidised

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