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My 82 when cold idles real high, even after 10 minutes of warm up. When put into gear rear end makes a loud thunk noise. After driving and warmed up everything is fine. Is this normal?
High idle is a common crossfire problem and it can be time consuming to track down. The link that shaggyvette posted is a great resource. The guys, and girls there live, eat, and breathe crossfire injection. You will need to join the forum to view the articles but joining is free. What is the high idle before it settles down and what rpm when it does settle down.