BB, I have never done this, but I remembered it this afternoon and was able to track it down. It's grinnningly referred to as the "Positive Stop Retention Method" for installing cam plugs. If you pop a second plug, I'd give it a try. Here's the text of the quote, and the thread (which was about Jay Brown's SOHC which had popped a plug) can be found here:
http://www.network54.com/Forum/74182...36/SOHC+Update
Quote:
Sure cure April 8 2007, 4:02 PM
Jay: I've had the cam plug pop out of an alum. Shelby block at the Digs. I cured problem by drilling and taping 3 holes with 10/32 threads in three positions. I put plug in and put three small washers so they overlap gap created by plug and block. Now, no more cam plug dropping out. Be careful of Locktite. I've had it get into oil feed hole to lifters and plug hole. LOL
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