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Roger Walling

Internal engine paint?

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I use a PPG product DP 40. I also use it under the regular engine paint. It is a great sealer. There are other DP numbers but the only difference is the color.

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If you're asking about a coating for the inside of an engine (such as an aluminum crankcase, to keep it from soaking up oil), there used to be a product made by Gasoila which was used to coat it. A lot of early aluminum crankcases were porous aluminum, and are full of oil which has been absorbed into those pores. Such items need to be vacuum degreased (particularly if there is welding repair to be made, as the oil will just keep seeping out of the metal as heat is applied), then coated on the inside so that absorption doesn't happen again.

Then again, you could be asking a totally different question. dc

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You might want to check the posts from DeanH on the "restorations" part of this forum...I think he painted the inside of his 1929 Hupmobile engine.

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:)Mr 58Mustang hit the nail right on the head.diz

GREAT stuff, I think Bill Hirsh sells it in Hemmings, most likely has a website too. :)

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