When preparing aluminum for paint its important to use a self etching primer. So that is one reason they dont paint an aluminum transmission case.
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Best paint for aluminum transmission. Eastwood aluma blast paint is specially formulated to duplicate the original look of cast aluminum car parts. Protected up to 300 degrees f by this paint metal parts will keep that brand new look for a long time. Once primed painted and sealed dull siding can be brightened up and sheeting can become a durable outdoor table artistic retaining wall for a garden or hanging room divider for an outdoor seating area. Aerosol can covers 6 sq. As a rebuilder you want to put out a decent looking product and oftentimes just jet washing the parts doesnt remove stains and corrosion so painting is the easy way to make the trans case look good. Available only in aerosols.
Also this is not what was used on the tranny pictured. Dupli color hwp103 clear high performance wheel paint is one of its best products. This is basically the only price range you have for wheel paint for. Alumablast paint is specially formulated to duplicate the original look of freshly cast aluminum car parts such as intake. If you have a problem with flaking blistering or peeling then it will strongly eliminate those all. Its special formulation contains chemicals that micro etch the surface of the aluminum for the best bond possible.
This will be good for what you have in mind without breaking the bank. Rust oleum stops rust 1 qt. Experience shows the best type of aluminum paint is rust oleum aluminum. Wheel paint for aluminum pricing. Painting aluminum requires a few key steps in order to create a long lasting masterpiece. Its a very professional primer aluminum spray that purely made for especially for durability.
Acrylic lacquer with low 4 15 gloss aerosol can covers 6 sq. Low voc protective enamel metallic aluminum interiorexterior paint 2 pack. Just keep in mind that if the tranny is not prepped correctly it wont matter if you buy 1 paint or 100 paint. Acrylic lacquer with low 4 15 gloss. It isnt necessary but aluminum does corrode so painting will slow that down.