Lets talk spark plugs! Platinum vs dual electrode vs iridium

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#21

01-20-2011, 05:35 AM

Chas944

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I highly doubt it the insert will come out as well. The external threads that screw into the head are cold-rolled so they help to lock it in place further.

Cheers!

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#22

01-21-2011, 03:23 PM

Adam Lueb

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Spark Plug Threads

Quote:

Originally Posted by Chas944

I highly doubt it the insert will come out as well. The external threads that screw into the head are cold-rolled so they help to lock it in place further.

Cheers!

Yep your correct.