After being a bit under the weather for a while, I've now started to put OCC's engine back together.
You can see the plain main bearing in the middle on these early engines:
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Hopefully, the various elements that were faulty will translate into a smooth engine! The mains have been reground as they were not quite round, a couple of big end bearings were grooved, meaning the journals have been machined here too. Also, this was what the thrust washers looked like (old one below the new one):
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I have also renewed the valve springs as well.
Clearly the message is to get everything done whilst you're at it - I should have done this a few years ago.....
Whilst I'm on, does anyone know where I can get new UNF 13/16" Nyloc nuts from for the big end bearing caps? The manual states at point 6 below that they're a special size & I can't find any anywhere!
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