SOHC.co.uk Forums > The Black Bomber Board
450/500T Startup
royhall:
I shall bear that in mind at the next oil change.
royhall:
Any suggestions for make of 0W30 oil for a Black Bomber. I usually use Fuchs Titan so am looking at this but it is a bit expensive. Any other ideas?
TITAN Supersyn F Eco-FE 0W-30 Engine Oil. Ford M2C950-A Diesel 0W30 Oil. 5 Litre 5031131345604 | eBay
Bryanj:
0w30? I would have thought 10w30
McCabe-Thiele (Ted):
--- Quote from: Bryanj on February 06, 2021, 09:26:06 AM ---0w30? I would have thought 10w30
--- End quote ---
https://www.opieoils.co.uk/
The above site & e bay do some giid deals as do Asda !
royhall:
--- Quote from: K2-K6 on February 05, 2021, 01:32:37 PM ---
--- Quote from: royhall on January 29, 2021, 10:01:37 AM ---After building my engine I filled it with oil and ran it with the starter motor on the bench with the cam covers off and plugs out. It took a while on the very first run to fill the centrifugal filter and oil galleries. All runs after that produced a good supply of oil which arrived at the inlet cam within seconds with oil at the exhast cam a few seconds later. I wish I could compare those bench runs to an engine with an old sloppy pump fitted. I think the pump is at least the partial culprit here. A pressure gauge would be an ideal defense.
--- End quote ---
I feel that people head the wrong way in interpretation of oil pump wear. It's often given that the oil should be thicker to perhaps stay "stuck" to the camshaft instead of draining away when turned off hot. Just a cursory look at oil when it's 90 degrees C will show that's not of any significance.
Also oil viscosity is not protection !! It's just system resistance. When upping viscosity, the oil pump has to work under more duress but has no "extra" protection to prevent it wearing in this scenario.
My understanding is that this engine would run 30 viscosity when used in temperature above 59 degree F ambient, and 20 viscosity below that.
Has anyone got original specification for this ?
My understanding is that it would be ideal with a 0W 30 specification of modern oils to match in the best way Honda planning and intended flow rate when they made it.
It was designed with 20 and 30 viscosity tolerances hot when the R & D was carried out, that flow rate is important in the overall design for many reasons, most of which are never discussed within this topic.
--- End quote ---
Just quoting this post for 0W30. Just to be clear, should I be looking at fully synthetic or semi synthetic.
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