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Re:Spark Plugs 1 Year, 3 Months ago
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My Maintenance book said to make firm contact with the washer then another 1/4 to 1/2 a turn. So i split the difference and went about 3/8.
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05 midnight, AIS removed, Arlen Ness Big Sucker, V and H 2 into 1 propipe HS, 172.5 main, pms 2.5, 3rd groove 2 washers, 650 ASL
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Questcap (User)
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Posts: 4386
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Re:Spark Plugs 1 Year, 3 Months ago
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Nothing wrong with that... problem with trying to work with a torque wrench with such a small number is, if it's not a quality wrench... it just might not click, or give a good read for such a small number. I've seen guys ruin stuff, trying to go with a torque wrench, only to find out it wasn't working well enough to notify the user of a torque in the teens.
The low number torque for most any bolt or nut requirement is often best just nicely snugged by the feel of your hand.
The reason? With a torque wrench, you're typically applying a lot of leverage, and usually applying more twist than you even realize... and if you miss your target, it can go south really fast on you!
Can I get a witness? (Don't ask me how I know such things...  ) |
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Re:Spark Plugs 1 Year, 3 Months ago
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I gave up trying to use a torque wrench long ago. You can develop a 'feel' if you do enough plugs. Firm contact with the gasket and about 3/8 turn more should be perfect. I also use a very light coating of anti-seize compound on the threads and have never had a problem backing plugs out when they need changing. Don't put on more than you need- just a very light coating on the threads and not enough to get into the cylinder area...
John Scribner
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Re:Spark Plugs 1 Year, 3 Months ago
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Questcap wrote:
Nothing wrong with that... problem with trying to work with a torque wrench with such a small number is, if it's not a quality wrench... it just might not click, or give a good read for such a small number. I've seen guys ruin stuff, trying to go with a torque wrench, only to find out it wasn't working well enough to notify the user of a torque in the teens.
The low number torque for most any bolt or nut requirement is often best just nicely snugged by the feel of your hand.
The reason? With a torque wrench, you're typically applying a lot of leverage, and usually applying more twist than you even realize... and if you miss your target, it can go south really fast on you!
Can I get a witness? (Don't ask me how I know such things... )I have also heard, and im probably wrong, that you arent supposed to use an extension on a torque wrench. It skews the reading. Maybe im completely off base but im sure u guys know for sure.
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05 midnight, AIS removed, Arlen Ness Big Sucker, V and H 2 into 1 propipe HS, 172.5 main, pms 2.5, 3rd groove 2 washers, 650 ASL
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texasscott1 (User)
Two of a kind
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Re:Spark Plugs 1 Year, 3 Months ago
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The extra partial turn is okay with a new plug but don't try it when reinstalling a plug with the washer already crushed - way too tight. A torque wrench is always best and they can be purchased with lower ranges so they are accurate at 13 ft lbs. The best and cheapest is a beam style wrench, always accurate and you can watch the indicator move up to the desired torque.
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My 99 Standard Test Mule
Scott B.
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Questcap (User)
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Re:Spark Plugs 1 Year, 3 Months ago
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The smaller 3/8" drive torque wrench is far better for the lower torque numbers than your typical 1/2" drive.
And yeh, it's true, that using an extension with your torque wrench will somewhat skew the reading, but with tire lug nuts, and I'm sure, other applications, you can't get a wrench in there at all, and you just have to use an extension.
Using an extention is still better than not measuring your torque at all.
For the 13 ft lbs called for to properly tighten the plugs, or the 11 ft lbs for the exhaust flange nuts... use a small 3/8" drive torque wrench.
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Questcap (User)
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Re:Spark Plugs 1 Year, 3 Months ago
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I should have added: Harbor Freight has their 3/8" torque wrench on sale for $9.99, with coupon right now! 
And accurate to within + or - 4%? Not bad!  |
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Re:Spark Plugs 1 Year, 3 Months ago
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I think I tightened mine too tight last time from what you guys are saying, I hope not, but I suspect I did.
Somebody said most of the problems with the Roadstar is problems we cause our own self, seems like that's about right. |
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Re:Spark Plugs 1 Year, 3 Months ago
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You have the answers on tightness so I'll just add one thing...
ALWAYS use anti-seize on the threads. Especially on aluminum heads. Cheap insurance that your threads stay in the heads when you want to remove the plugs.
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2006 Midnight
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Re:Spark Plugs 1 Year, 3 Months ago
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