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  1. J

    Tech Question: Clanking Noise After Head Rebuild; Rough Idle Under Load

    I'm looking for insight on a problem I'm having with a '67 straight 6 automatic. I just had the head rebuilt. Now that it's back together, there's a new noise. It's like a metallic clanking periodically. It happens more when the throttle is opened just above idle. Another problem I'm having...