Thread: Problem 4th weekend!!
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  #12  
Unread 07-08-2009, 03:28 PM
bigshrimpin bigshrimpin is offline
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Join Date: Mar 2003
Posts: 1,597
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NGK-BUH8's

They are the surface gap plugs. Plugs were black and wet. Compression in the motor is 125 - 130psi in all 6. I'm going to replace them (or have MJ replace them) and then see what happens to the new plugs after a few weeks.
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