AY12 Video

June 11, 2011

AY12! If the LZ14 that I posted yesterday was rare… this is unobtainable. As of now this is the only footage I’ve seen of this engine and only touches of information exist. Ian took some scans of the TS Cup issue of Autotechnic a while back which featured some information and tech drawings of the AY12 and even an AZ12, click here.

The AY12 is another race developed engine which, as you can see from the tech drawing features a 2 valve cross flow head on the A12 block. What I’ve always found interesting is what seems like a twin spark set up with extra ignition leads disappearing into the rocker cover. But they seem to poke through small holes, if you wanted to change those plugs you’d have to remove the whole cover…?  These tech drawings show mechanical fuel injection so I wonder why this particular one is running quad carbs.

A few years back Mikko in Finland was saying they had a AY12 head and were going to reproduce some for those willing to pay for them but I never heard anything more from it? I think he had some trouble with bad companies. Either way, wow finally some video! I remember there being a tiny pixelated photo of the AY12 some 6 or so years ago.

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One Response to “AY12 Video”

  1. ♥♥♥♥♥♥♥♥♥

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