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Old 10-18-2016, 02:00 PM   #3
Ronald29609
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Join Date: Aug 2013
Location: Lake George, NY
Posts: 30
Re: Rough idle

1967 Chevy Pickup. Gen1 350, Edelbrock, 200-R4, Rough Idle problem. My 350 ran great for months. At idle the engine was so smooth that it didn't move at all. I had to make a hard stop almost locking up the brakes. After that it idled so rough that I thought the engine was going to rattle the truck apart. Once I accelerated it went away. I drove about 50 miles and it cleared up some but still not as good as before. Any ideas will be appreciated.

Last edited by Ronald29609; 10-18-2016 at 02:05 PM. Reason: Define engine combo
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