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hi
take it to your local autoparts and have it glass beeded , wash it good in warm soapy water befor you install it . it will look new !

ld = small block 6b = 6 bbl , it is a later edition not a 1970/71 .

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you can polish it after that for a nice shine

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If, by chance the intake is still cast aluminum{no paint} there's a cleaner that does a great job...Eagle One brand rough cast{etching} aluminum wheel cleaner does the trick with intakes and trans cases...etc...It cleans without changing the texture as media blasting will do and has an active ingredient that will make the part look new...Just wear gloves and eye protection... You can buy it at any good auto parts store like Advance, Pep boys, etc...

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I've done this before, but always results in a white residue showing up a week later.

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If, by chance the intake is still cast aluminum{no paint} there's a cleaner that does a great job...Eagle One brand rough cast{etching} aluminum wheel cleaner does the trick with intakes and trans cases...etc...It cleans without changing the texture as media blasting will do and has an active ingredient that will make the part look new...Just wear gloves and eye protection... You can buy it at any good auto parts store like Advance, Pep boys, etc...

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I've done this before, but always results in a white residue showing up a week later.

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