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83_Silberpfeil 83_Silberpfeil is offline
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Join Date: Oct 2010
Location: SoCal
Posts: 860
Garage
@Alan L - Thanks for clarifying. What story do these fotos of the old plugs tell?? Sorry, not the best quality fotos.

I took these fotos right after pulling old plugs out a few weeks ago. This was after the car sat in the garage for 3+ years. I've owned the car since 2010 and put ~ 6K miles on it. First time plugs have been changed under my ownership. Service records/receipts show last spark plug changed in 2002 @ 143K miles, but there is a gap in service records. At worst, the old plugs in foto are over 20 years old, with 20K miles! You can see these are Bosch when they were still actually "Made in Germany"

I'd would hate to remove the new plugs to assess. It was such a pain getting old ones removed and new ones installed. I'd rather not go through the process again, at least for a while.

Quote:
Originally Posted by Alan L View Post
Reading the plugs - checking the burn and timing issues. There are lots of threads on how to- not just on Pelican. You pull the plugs and inspect them for colour of burn and other tell tale signs.






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1983 911 SC Coupe w Sunroof, Metallic Silver --- AKA 83 Silberpfeil
Old 06-05-2023, 10:11 AM
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