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Thread: 1981 Ford 400, Need Help

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04-18-2008, 11:30 AM	#1 (permalink)
chukarhunt Junior Member Join Date: Apr 2008 Posts: 14	1981 Ford 400, Need Help Hi. I have a 1981 Ford F-150 with the 6.6L 400 engine. The rebuilt engine has possibly 30,000 miles on it. It runs really bad. It is a very rough idle, when it is cold it has no power, it knocks and pings very bad while driving down the road when you hit the throttle, and when I sit in park and rev the engine really high it stutters badly. I have ideas to what could be wrong. This is what I believe I need to do: -GM Top Engine Cleaner -Ignition Coil -tune up distributor -plugs and wires -clean carbeurator Does anyone know exaclty what is wrong with this engine, or know of anything else I could do to help it? Thanks for the help.

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