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06-08-2003, 09:18 PM
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#1 |
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Formerly yellow72custom
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
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Washer seat spark plugs?
I just picked up a set of AC Delco plugs for the new heads i will be putting on my 350 soon. They are AC43S plugs, gapped at .045". Anyway, this is my first experience with washer seat spark plugs. Which way to the washers go on the plugs? All of the plugs came w/o the washers installed. The washers have one side wider than the other. The outside is totally round, and there is another part of the washer that is smaller with little tangs that go on the spark plug threads. So, which way do the washers go on the plugs?
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride. '70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck. '97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg |
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06-08-2003, 09:32 PM
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#2 |
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Registered User
Join Date: Mar 2003
Location: Stillwater MN
Posts: 1,166
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I installed hundred's in the grease monkey day's. I don't think it really makes much difference, but the wider side of the washer fits the plug base. Thats the way I alway's installed them.
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69 GMC K10 ..some restoration required....still.. 
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