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  #1  
Old 03-11-2000, 04:19 PM
nutsonmercs
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does anyone have any ideas about cleaning aluminum castings.rather than polishing i would like to achive a bright clean finish.

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Old 03-11-2000, 09:11 PM
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Location: Suwanee, GA, USA
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If the casting is off of the car and there are no other parts that will be attacked by the cleaner, go to the marine store and find some acid for cleaning the pontoons on the bottom of pontoon boats. This stuff works great, but is highly corrosive. Be careful. It will clean the alluminum to the bare metal.

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Old 03-12-2000, 08:33 AM
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Another method is to take your castings to a automotive machine shop and ask them to dip them for you. It is amazing how clean this gets the aluminum. BTW, what castings are you trying to clean up??
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Old 03-12-2000, 10:14 AM
nutsonmercs
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Hi Jeff,
Induction pipes,water pump housings,carb bodies etc.

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Old 03-12-2000, 08:32 PM
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Try what I suggested. They can really get them pretty clean and shiny. But to keep them that way is another story. You will need to coat them with something ???, or stay on top of just good housekeeping under the bonnet..

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