What spark plug is used in a 1992 4.0 ho ?(Champion rc12ly?) - Jeep Garage - Jeep Forum

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Old 01-23-2016, 04:37 PM
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What spark plug is used in a 1992 4.0 ho ?(Champion rc12ly?)

Just need to make sure exactly what plug is supposed to be used.

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Old 01-23-2016, 05:06 PM
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Re: What spark plug is used in a 1992 4.0 ho ?(Champion rc12ly?)

Quote:
Originally Posted by truck13 View Post
Just need to make sure exactly what plug is supposed to be used.
RC-12LYC
0.035 gap
Torque 27 ft. lbs
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Old 01-24-2016, 08:37 AM
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Re: What spark plug is used in a 1992 4.0 ho ?(Champion rc12ly?)

Thank You for answering me back . That's what I have in it,but they were fouled. I think I may have a faulty distributor cap? I am getting spark at the coil lead,but no spark at the plugs? Thanks agian.
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