Deutsches Museum... Jaguar

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BACK NEXTMy 1973 Jaguar XJ12L series II



 

jag18.jpg (36625 bytes)

It worked like a charm. Here we can see the offending article... and the cylinder head. Don't worry, I don't still have the beard !

jag14.jpg (37626 bytes)

Ooooh, barf ! However.... no hole in any piston, no evidence of broken rings. What had happened ?

Only after I had the thing back together did I realise that what was wrong was that the crankcase breather had become choked & had pressurised the case forcing oil past the valve stems into the cylinders.

jag11.jpg (37395 bytes)

Here's the head with cam in place.

jag12.jpg (35645 bytes)

And without.

jag06.jpg (36625 bytes)

Pretty rich running with some white deposits on the 6B cylinder exhaust valve.

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