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Valve cover clearance

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Old May 24, 2023 | 09:13 PM
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Default Valve cover clearance

Hi Guy’s, I’m putting a 427 in my 69 corvette, I have aftermarket aluminum heads with roller rockers. Cam lift is 525 . I’d like to run the Mickey Thompson valve covers without using a spacer plate. If I look in the breather hole it doesn’t look like they would hit but it’s close. Can I just run thicker valve cover gaskets and get away with it. Thanks
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Old Jan 15, 2024 | 09:17 PM
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Mock up and test your setup with some clay. Hand spin the engine. Or you could try measuring.
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