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post #1 of 3 (permalink) Old 06-24-2009, 06:45 PM Thread Starter
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troubleshooting ignition please help

I just recently bought a 67 F100. It has a 352 with auto trans. The wires, plugs and points were shot. So I replaced all of these plus the condenser, rotor, and cap. It fixed much of my trouble but now under constant throttle it seems to miss or sputter. If I accelerate it cleans up but if I let out of it and try to maintain a constant speed it misses. The distributor is a dual advance autolite. The engine itself has 66000 original miles but hasn't been driven in years. It smokes, but I figure being driven might help clear that up. Any help with the ignition miss would be appreciated!

1966 Galaxie 500 Fastback
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post #2 of 3 (permalink) Old 06-24-2009, 07:26 PM
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Re: troubleshooting ignition please help

make sure # 7 & 8 wires don't run next to each other smokes , with the age of the engine valve guide seal might need replacing

Last edited by DanH; 06-24-2009 at 07:28 PM.
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post #3 of 3 (permalink) Old 06-24-2009, 11:17 PM
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Re: troubleshooting ignition please help

It sounds like it might be a lean surge. You might have to increase the jet size by 2 sizes to get it to cruise smoothly.

66 Mustang Coupe. 365hp, 4spd Toploader, sub-frame connectors
Shelby drop, suspension tuned for slalom and hill climb
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