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Weird igntion problem

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Old 08-10-2005, 07:54 AM
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Default Weird igntion problem

I installed a new electronic distributors.(mallory). Port motor had a miss, two cylinders were firing intermittenly. Changed plugs and wires, no help. Swapped distibutor to starboard and the problem is there now. I could remove the #1 and #6 plug wires and rpm doesnt drop. I put the old points distributor in and same thing. I get a good blue spark at the plug end of the wire and from the cap as it jumps to my test light. The only thing that I can think of it being a problem with the cap. Thats the only thing I havent swapped. It is a new cap that came with the new distributor. Could a cap cause this? There is no moisture in it and no signs of carbon tracking. Plugs are all new and so are the wires. I alos swapped coils with no help. WTF, this is driving me nuts
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Old 08-10-2005, 07:55 AM
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Default Re: Weird igntion problem

When I put the timing light on #1 it flashes erratic and kind of slow, but if i put it on #2 wire it flashes very steady and fast.
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Old 08-10-2005, 08:33 AM
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Default Re: Weird igntion problem

Yes it could be the cap try swapping it with the othe motor
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Old 11-18-2005, 05:58 AM
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Default Re: Weird igntion problem

What ever happened with this problem? I am having something similar with basically the same engines except thunderbolt IV distributor / ign.
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Old 11-22-2005, 07:32 PM
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Default Re: Weird igntion problem

Bad cap.
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Old 11-22-2005, 08:16 PM
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Default Re: Weird igntion problem

Could be a bad rotor too......
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