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1990 5.0 cylinder header issues
Hi
Im having issues with the cylinder heads on my 1990 silverado with a 5.0, lately when i start it up there is a ton of stuck valves so it has a ton of super loud ticks almost as loud as a knock. After it warms up most of em go away one or two sometimes stay stuck but most of em free up. I put that lucas oil stuff in my truck but it didnt help at all. How wud i fix this? Is this bad for my truck? Do i need to buy new heads? Any help will be greatly apreciated thanks yall!!
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