Irish Rover's latest activity

I find advice from self-confessed complete non experts much more useful than advice from the complete non experts who think they're experts.

I took oil samples from my engines (two marine and two cars) and had them analyzed. Also had a good discussion with the lab and got...

Anode I would be very careful with ,because what ever eats those will eat an alternative...belts and impellers, I would stretch the...

On my previous boat, which was also a powercat, I mainly operated on one engine, but from the tests I've done on the present one, it's...

So, let's move on. Do we need to change impellers, belts, anodes etc every 250 hours.

On the plus side for the engines, they can't read.

Before I move on let me just say my intention is follow the Yanmar schedule unless someone knowledgeable convinces me it's safe and wise...

Moisture comes from the air and should mostly be vaporised when the engine is at temperature, carbon comes from the burning of the fuel...

Perhaps the largest factor in oil deterioration is acidity. The oil starts off with a certain level of base number, TBN (effectively the...

Oil picks up contamination, moisture, carbon and metals and becomes abrasive.

I am a complete non expert, so free forum advice at its best (worst) ……… I would be pragmatic. Most cars have an oil change interval...

OK. But is it not reasonable to assume most of this comes from burning diesel and any metal is more likely at higher revs?

Servicing is about much more than oil and filters but let's stick to that for now. What degrades the oil and filter? Is it age? I'm...

OK, my thoughts (sorry, not a definitive answer) is that the X Trail may be an older design where the service interval isn't modified by...

They are your engines, you can do what you like, but I think usage comparison with a road vehicle is not a realistic wear and tear...