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-   -   Spark plug torque 7-15 ft lbs? (http://www.fordrangerforum.com/3-0-vulcan-tech/85648-spark-plug-torque-7-15-ft-lbs.html)

JSobo 02-28-2013 07:36 PM

Spark plug torque 7-15 ft lbs?
 
Changing plugs right now, was supposed to do it yesterday but....

Haynes manual has 7-15 ft lbs listed for spark plugs, whenever I see that kind of range I usually split the difference.

Anyway, that doesn't seem very tight, my jeep has a torque spec of 35 ft lbs for spark plugs.

Is Haynes correct?


edit:
The Maricopa county library has a link to a few auto resources, one is called the Auto Repair Reference Center. They say 11 ft lbs for plugs.

EMBRACETHEHATE 02-28-2013 07:46 PM

Re: Spark plug torque 7-15 ft lbs?
 
Jesus, just snug them!

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HolmesEOD85 02-28-2013 07:57 PM

Re: Spark plug torque 7-15 ft lbs?
 
Quote:

Originally Posted by EMBRACETHEHATE (Post 1281872)
Jesus, just snug them!

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^^ This. I've never bothered to even THINK about the torque recommendation on a spark plug.

JSobo 03-01-2013 06:43 PM

Re: Spark plug torque 7-15 ft lbs?
 
I'm sure they publish torque specs for a reason.

1 of the plugs in my truck must have been tightened by a gorilla - I had to use an 18" breaker bar on it. Wish someone would have told him about torque.

HolmesEOD85 03-01-2013 06:56 PM

Don't tighten them up like a gorilla. Just get it snug and put an extra 1/8th to 1/4 turn on it and you're good.

JSobo 03-01-2013 07:41 PM

Re: Spark plug torque 7-15 ft lbs?
 
I didn't tighten them up like that, previous owner did.

When I was young I used to over tighten everything. Still do it if I'm not careful, that is why I always check for specs.

RagerTom 03-01-2013 07:50 PM

Re: Spark plug torque 7-15 ft lbs?
 
what i was taught was go until it starts to get tight and then go another 1/4 turn


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