Any spark-plug readers in the house? |
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Any spark-plug readers in the house? |
SirAndy |
Apr 10 2010, 08:47 PM
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#1
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Resident German Group: Admin Posts: 41,815 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
Do these look OK?
I haven't been reading spark-plugs since my dirt bike racing days. On my bike, those would have indicated a slight lean condition. (IMG:style_emoticons/default/idea.gif) What about a 993 3.6L motor? Still too lean? Or OK? (IMG:style_emoticons/default/confused24.gif) Andy Attached image(s) |
'73-914kid |
Apr 12 2010, 12:29 AM
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#2
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Senior Member Group: Members Posts: 1,473 Joined: 1-November 08 From: Vista, CA Member No.: 9,714 Region Association: Southern California |
Okay, an old fashioned dragster taught me a few of these.. not sure on the accuracy though.. the line on the ground strap looks to be in the right place meaning the timing is optimal for that combustion chamber. The plugs look slightly lean, but the flash could be doing that.. they look really nice though Andy. The darking electrode would also imply that it's rich on idle mixture.
That's a nice clean burn though.. Even if it wasn't the flash that makes them seem so white, you should look at how white/grey racing spark plugs are.. no comaprison.. |
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