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Spark Plug Torque Setting

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Old 07-20-2015 | 10:40 PM
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Originally Posted by swiss
I go with German specs... good'n tight
you beat me to it.i have installed a plug or two but never put a torque wrench in one.
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Old 07-21-2015 | 06:39 AM
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Originally Posted by HyFive578
on 525 EFI, merc service manual says 20 ft lbs.
Yep, that's what my manual says. I've never torqued a spark plug in my life either though. After you've done your first few hundred you do it by feel. I agree with a bit of anti-seize but I don't always use it.
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Old 07-21-2015 | 07:08 AM
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I always use anti-seize on aluminum heads, cast no........... tighten till just before you hear the porcelain pop
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Old 07-21-2015 | 07:58 PM
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Third, while you were up last weekend, I could have had you change them, lol. I'm no mechanic and didn't want to f anything up. Thanks for the feedback.
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