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Scamp
 Post subject: rough Idle
PostPosted: Thu Sep 25, 2008 4:10 pm 
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Location: Maine & Florida
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My 1971 Plymouth Scamp has the Super Six engine. The engine runs rough while idling. The minute you touch the gas, it smoths right out and runs like a charm. All new Plugs,wires, carb and dist. Any ideas? Runs wonderful out on the road. All new vaccum lines also. Ping

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66aCUDA
 Post subject:
PostPosted: Thu Sep 25, 2008 4:15 pm 
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Joined: Sun Jul 30, 2006 8:36 pm
Posts: 2432
Location: East Arkansas
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A moderator may move this to the engine section. Use the search function for hesitation and I think you will get some great answers.
Welcome to the board,
Frank

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Doc
 Post subject:
PostPosted: Thu Sep 25, 2008 5:58 pm 
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Joined: Mon Oct 14, 2002 4:32 pm
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Location: Working in Silicon Valley, USA
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A rough idle can be caused by tight valve lash, especially the exhaust valves.
Time to pull-off the valve cover and adjust the valve lash.
Do a search on "valve adjustment" for some tips on how to do the job.
DD
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SlantSixDan
 Post subject:
PostPosted: Thu Sep 25, 2008 6:05 pm 
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A valve adjustment is an excellent idea. Here is a post about how to do it.

What kind of "new" carburetor are you using? Where did you get it? Is it really new, or is it a "remanufactured" item? Same question on the distributor.

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