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I got it out. :hurray: It ended up being fairly easy to accomplish. :D The screw was sitting on the #4 cylinder intake valve, which was partially open. The threads were in heading into the cylinder bore, but the valve was closed just enough to keep the head from falling through. (it's a very good thing that I didn't try and turn the crankshaft!!) The short, straight runners of the LT1 gave me a straight shot from the fuel injector port right into the back of the intake valve, and I used a magnetic tipped extention to nab the screw. Ten minutes later I had everything re-installed and she fired right up.
Thanks to all that offered advice, support and encouragement.
Re: Screw successfully extracted from intake!!! (sraft)
Breathe...........Breathe..........Breat he...........there you go.......I know that feeling of disaster on the horizon..........glad you got it out, forum is a wonderful place to get ideas of how to get out of "gottcha's"
Re: Screw successfully extracted from intake!!! (sraft)
I realize that my post could qualify me for entry into the "automotive idiots" museum, and it has nothing to do with Corvettes, but your post brought back ugly memories of something I did in my younger days. I had a 1970 Roadrunner and, in order to adjust various settings for the carburetor, the manual instructed to use various diameter drill bits to check plate closure, etc. (can you see where this is going?). Anyway, during one of these settings, the drill bit slipped into the intake (the engine was not running). I tried various methods to get it out but couldn't quite reach it. I was in a hurry as I had to pick my wife up from work (I was a student and she was the breadwinner).
So I left to pick her up and then go to an auto parts store to get a magnetic probe--I figured the drill wasn't going anywhere (I was young and stoopid). Everything was fine for a while until just before I reached the auto parts store--then heard a funny sound, then the sound of metal rattling, then the car stopped. Had to have it towed to my mechanic who had to do a teardown to dig out all the pieces of the shattered drill bit, not to mention a few bent valves and rods.
Even today, 30 years after this debacle, remembering this makes me cringe.