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Old 09-17-2002, 10:08 PM
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Join Date: Feb 2002
Location: queens,new york
Posts: 335
tach and spark plug gap/1973/450sl

I gapped my plugs at 0.6mm and now the tach needle jumps around at idle. Should I regap at 0.8mm or 1.00mm and will this solve the tach problem. thanks
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Old 09-17-2002, 11:45 PM
hill's Avatar
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Join Date: Feb 2001
Location: Northern Calif Sacramento
Posts: 736
6mm is about .023" I am suprised if it is not running badly. 8mm sounds beter thats .032. Use copper plugs only no platinum.
Happy Benzing
Darryl, Hill
2005 SL55 AMG Kleemanized
1984 500 SEC
1967 W113 California Coupe
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