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TOPIC: 1964 Merc 650 backfiring at idle

1964 Merc 650 backfiring at idle 13 years 5 months ago #78284

Before I had a chance to ask for advice here, I figured it out.

#1 and #2 spark plug wires were switched when checking the spark plugs. Put them back to their respective cylinders and she's purring like a kitty again.

My mistake = your lesson for today. Here's what was happening...

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Re: 1964 Merc 650 backfiring at idle 13 years 5 months ago #78290

  • ed-mc
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Yeah, they don't like that much! ;)

But don't they sound Sweet when they're kickin' on all cylinders?!! :)

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