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Old April 5th, 2003, 10:47
gw204 gw204 is offline
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Question Tightening spark plugs - please help ASAP!

When installing new spark plugs, what torque value should they be tightened to? For some reason 20 ft/lbs is stuck in my head but I couldn't find any reference to it.

If you don't mind, call me at 410-491-5062.

Thanks.

Brian
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Old April 5th, 2003, 11:39
gw204 gw204 is offline
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Sorry. It's a 2000 XJ w/ the 4.0.

Please help me out here. I don't want to tighten them down until I know the correct torque value.

Last edited by gw204; April 5th, 2003 at 11:49.
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Old April 5th, 2003, 11:56
mikal mikal is offline
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fsm says for a 97 it is 30 ft./lbs.
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Old April 5th, 2003, 12:04
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Scott Mac Scott Mac is offline
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Snug always works well for me.
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Old April 5th, 2003, 18:56
Judd W. VA Judd W. VA is offline
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Turn the plugs in till the gasket seats then about 1/4 turn more. Use anti sieze on the threads even though it is an iron head as a safeguard. Judd
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Old April 5th, 2003, 19:51
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RichP RichP is offline
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For sure it's a 'one grunter', the 1/4 turn is a good visual measure. However if you pull them out or loosen them again the 1/4 turn trick is not accurate as you crush that gasket down some. I don't even think about it any more, I just do it till it feels right but then I've probably done a 1,000+ plugs over time, not counting my 2 cycle MC's, those plugs usually came out 5-6 times a day to get cleaned
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Old April 7th, 2003, 15:13
gw204 gw204 is offline
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Thanks for your help guys.
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