SOHC.co.uk Forums > CB500/550

Oil pressure.

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K2-K6:

--- Quote from: SteveD CB500K0 on July 19, 2023, 04:37:31 PM ---Was that 1853 Bryan?

Was there a spec for the oak?




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--- End quote ---

Only the best, oak from the New Forest King Henry  ;D

K2-K6:
Pressure increase is most likely to be from smaller oil ways in castings as engines are built smaller and lighter.

You'd need to run at higher pressure to reach the accepted volume required for bearing replenishment demands in a compressed design scheme.

Reduce the bore size of distribution must have increaesd pressure just to remain same delivery volume. There's not much choice apart from running less viscosity to do the same.  Both those are used to achieve that balance on newer stuff.

Bryanj:
Best quality British oak using pegs not nails mate, only running 22,000 shaft horse from 80 tons of heavy fuel oil  a day.

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