I was working on re-assembling Tarquini this weekend. He's had new head-gaskets and some other tidying up work in the back of the engine room.
I have re-fitted the heads, set the cam-timing and attached the manifolds, heat shields and most of the fuel injection system.. but as I have tightened but not torqued the heads down to the proper torques yet, I left the rocker covers off for the time being.
So, this weekend I was assembling and re-fitting the bits and pieces that are attached to the bulkhead, as I'd removed a lot of bits to make lifting the head (and exhaust manifold, which was "stuck" to it then) easier.
To stop bits falling into the engine, I had a big cloth covering the whole rear head... but obviously as I worked at the back of the engine I was leaning on it and it shifted a bit.
When I was fitting the steering fluid reservoir, the bracket slipped and, as it's under tension (being curved) it flicked the M6 bolt out at speed. It either fell down the back of the engine (around the oil filter) or, with Ronaldo-like accuracy it found it's way into that little gap that had opened up between the cloth and the edge of the head.. in which case it fell into my motor!
I stuck a magnet down there.. and also some feelers.. as far as they'll go but I can neither see it or feel it, never mind extract it. I jiggled them about but still no joy.
I'm so narked... anywhere else in the head, it would be resting in the bottom of one of the oil pools.. reachable by hand.. but no. It found the one spot on the whole head that didn't have a cloth over it.. and under there, there just happened to be the deepest oilway in the whole engine (the slot one, by the oil pump).
Anyway, assuming the beast did fall down there (however flukey or unlucky, I'm about 70% certain that it did) does anyone know how I can fish it out?
I'm hoping, seeing as a magnet can't reach it, that it can work its way into the sump (sump-off job being preferable to dismantling the heads again). Otherwise.. where does that big slot oilway go? I really don't want to take the rear cylinder bank off again (and I'm actually not even sure that if I did I would then be able to see that bolt and extract it).
Any ideas might save me shooting the beast..