Magic = Not Natural

I searched Amazon.com for "MGB RACE" and the first set of results yielded this bit of opinion:

I mean OH COME ON! It must be possible for the love of ^&%^%$%$#%$!!!!!!!!!

sigh

IT LIVES!!!!!

• New head gasket installed, water was flooding cylinder #3
• Adjusted valves, 2 were way off
• Of the 2 center rockers that needed shims, one was missing and the other was folded over so twice the thickness it should have been
• Rocket cover vent was clogged

 More pics later, but for now the bottom line is:

First drive after rebuild: no oil covering windshield, fender, hood or roof!

Mystery Bolt - Can you identify?

 

While replacing the head gasket in the engine (1973) of the MGB, I had the rockers sitting on a piece of cardboard while I worked on scraping the carbon off the head, cleaning, and measuring for warp.

The next morning I start work again and notice this plug/bolt laying in the area very near the rocker assembly. I CANNOT find a location that this would go, either in the rocker assembly or the cylinder head... or the carb (webar DGV) for that matter. I poured through the MG Service manuals, and the Moss catalog as well.

Stats: 

• it is about 0.6 inches square (about the size of the Spark Plug at the threads!)
• the threads seem worn down
• it was mostly coated in nice clean oil
• it is not brass
• hex socket is for 5/16ths allen wrench
• It's not an air-injector hole plug
• It's not a rocker/valve gap adjustment bolt

Leave a comment if you have any clues to this mystery!!

Is it possible the last owner/mechanic dropped it into the engine at some point and it's been rolling around - that may account for the worn threads - maybe??