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| | | | Joined: May 2019 Posts: 61 'Bolter | | 'Bolter Joined: May 2019 Posts: 61 | The way you describe it doesn't sound like valve noise. It may be too much timing. Try driving it with the vacuum line disconnected. If it doesn't chatter then it is a timing problem. Too much total advance. If thats not it it may be a little piston slap. If that is the case it will be more when the engine is cold & less after it warms up.
George Thanks, I hope it's not piston slap. It is actually not noisy when it'd cold but gets louder when it warms up.
1946 1/2 ton Chevy Pickup
1954 235 cu in
3 speed on the floor
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