Re: motor oil; detergent v non-detergent

Posted by I don't buy this argument on May 25, 2005 at 10:03:06 from (4.229.162.230):

In Reply to: motor oil; detergent v non-detergent posted by Rob on May 25, 2005 at 06:30:05:

If an engine is running, those abrasive particles will be
suspended in the oil regardless of detergents, because the oil is
moving. Shut the engine off and they settle out. Detergent oil
keeps them in suspension so the oil filter can do its job - why is
this not a good thing? The 8N does have an oil filter, it's slower
than a full flow filter, but it does filter the oil.

Maybe if someone was going too long between oil changes, ND
oil would be preferable. Even then, you lose the buffers against
acidity and moisture that protect the engine from wear.

Yeah there's two reasons that Henry Ford didn't specify
detergent oil for the original 8Ns: first, detergent oil didn't exist
back then, and secondly, H. Ford was a businessman, not an
engineer, so his opinion would mean squat!

Here's what I know - I use Rotella 15w-40 in my 8N, changing it
once a year. With the Rotella, my oil pressure never drops below
15-20 PSI, and the tractor starts in the winter. If I went to a
single viscosity oil, I'd have problems starting in the winter, and
oil pressure would be around 2-5 PSI in the summer. The first
couple changes with Rotella I got lots of sludge out, but now the
engine seems to be nice and clean inside and I can rest easier
knowing that oil is likely getting everywhere it needs to be.

Follow Ups:

• Re: motor oil; detergent v non-detergent Rob 11:01:30 05/25/05 (2)
  • Re: motor oil; detergent v non-detergent Bob 11:11:34 05/25/05 (1)
    • Re: motor oil; detergent v non-detergent Rob 11:19:04 05/25/05 (0)
• Re: motor oil; detergent v non-detergent Bob 10:57:29 05/25/05 (0)

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