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Old 02-07-2009, 09:46 PM
rgnprof rgnprof is offline
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Join Date: Feb 2003
Location: Oklahoma
Posts: 1,025
'86 560SL spark plug thread problem

I am having trouble installing one plug - I just can't get it started. It looks like most of the threads are there, just the one right at the top of the hole seems to be messed up. Can I try a thread chaser - anyone think that may work? Or do I risk messing it up more?

Is this a 14 x 1.25 thread?

Ryan
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RG Newell

1984 300D
1972 250
1986 560SL
1991 300CE
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