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I have the new cylinder barrels for the engine. All are obviously more than 40 years old, remanufactured to .020 overbore, but one came painted, one had a lot of caked on grease, oil and dirt that I had to scrape and clean off.
Here we have a picture of one of my original cylinder barrels before and after cleaning, one of the new ones before deflashing, and one of them after deflashing and painting.
I have “de-flashed” all 6 barrels, eliminating the flashing from the molds that was left on from the factory. This should improve cooling. I decided to give them a thin coat of high temperature paint to eliminate rusting. I would have liked to put a heat transfer coating on them, but I could not bring it on the plane.
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