I think I finally found the cause of all the oil leaking everywhere. It seems that its pouring out of the rocker cover flange. I have an alloy one, and its always somewhat awkward to fit it. There is a cork gasket which invariably isnt quite the right shape, when its tightened up, it has a habit of being squeezed out.
To make it easier to fit, I usually use copious amounts of loctite gasket sealer which bonds the cork gasket to the rocker cover, making it easier to assemble. It seems that this is still not good enough, I've always been aware of a small amount of oil on top of the inlet manifold, which I assumed was mainly runoff from when I'd filled it, however on closer inspection there is actually quite a lot of oil running out and down the block.
I've since dispense with the cork gasket all together, and cleaned the alloy back to bare metal. I've applied a fair bit of loctite 5922 flange sealer, hopefully this will be the end of the leakage. On a better note, this seems to be the only leak that I actually have, although its hard to say as it gets everywhere.
Monday, April 5, 2010
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