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engine cleaning
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  1. General Discussion/ Bronco and Wheeling related.
    I recently purchased a 78 Bronco and needed work on the engine, so I took apart the heads. I noticed some sort of sludge on the valves. I have attached some images. The sludge is in some valves gooey and on other parts it's already hard, I believe it was because of the heat of the engine when...
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