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installed TR6's, now bad idle.

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Old 11-10-2004, 04:11 PM
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battery is disconnected. should i change out my old plugs?... ugh thgis sucks... at least i'll still be able to get to work... i dont live to far.
Old 11-10-2004, 04:11 PM
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Originally Posted by parish8
better pull them out and take a look, maybe you bumped one of the ground straps or something.

the 6's do idle slighly worse than stock. 7's idle much worse than stock. noticable miss.

ground straps?
Old 11-10-2004, 04:34 PM
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the ground part of the plug, if you give them much of a bump you can close the gap and they wont fire.
Old 11-10-2004, 04:39 PM
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damn.. i didnt want to have to pull em out... oh well....
Old 11-10-2004, 04:47 PM
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isn't it like a 20 minute deal to pull the plugs? even with the turbo in the way it only take me 1/2 max to change my plugs? maybe your headers make it dificult.
Old 11-10-2004, 04:52 PM
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I'd pull all of the plugs and check for a cracked insulator (porcelain) or a gap slammed shut. Wierd how you say it only happens in reverse...I've seen that happen with a loose or broken intake tube. When the vehicle is in drive it idles fine because the intake tube is sealed, but when it's in reverse the engine torques and the tube opens up letting in unmetered air...just a thought.
Old 11-10-2004, 04:54 PM
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well.. i found a cracked insulator.. hopefully its only one.. i'll put one of my old 55's back in and see if that does it.. if it does then im going to have to buy another 6
Old 11-10-2004, 05:02 PM
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if i were to torque to far... would that cause an insulator to crack?
Old 11-10-2004, 05:31 PM
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welp.. its fixed now.... i had a couple cracked insulators.... 5 actually..... heh.. um.. so i learned a life lesson today. dont overtorque your spark plugs.
Old 11-10-2004, 05:31 PM
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thanks for all your help guys.


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