I think the plug is a 9/16. The OD measured around .572 on my caliper, and it looks like there is a threaded insert in there. Advance Auto has these in stock, so I'll grab one at lunch time. Assuming it fits, do I need to put anything on the threads for sealant purposes?
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Three times the sound peaks, falls back, peaks again. A throttling back to cruising speed, a dwindling grumble of thunder and...gone.
The frogs take up where they left off.
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