Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 289 clanking under the valve covers
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Old 07-16-2012, 04:20 PM
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eloc431962 eloc431962 is offline
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Originally Posted by 67MercCat View Post
Hey I'm working on my buddy's Ford 289 and it makes a horrible clanking noise at idle. Once it gets up to about 2000 rpm it goes away but it sound like s**t at idle. This condition does not change when it warms up either.

Is it possible that the valve is hitting the piston or do you guys think it's a loose rocker arm that needs to be adjusted? Valve lash issue maybe?

Yes it could be either one IMHO. What heads are on it ? better yet what all has been done to the engine what type work are you doing on it ?

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