[AT] Switching from non-detergent to detergent oil

[Carl Gogol]

In the words often similarly repeated on the old "Laugh-in" comedy show ---

Here comes the sludge, here comes the sludge;  I'm not fooling 'cus here it 
comes!

Using detergent oil will definitely loosen any crud that is in the crankcase 
and possibly plug some important oil passages.  -- are there oil passages on 
a splash oiled Briggs?  I can't remember.

Probably get away with it if you change the oil a second time really 
quickly - say an hour or two, but that is not a guarantee.  Should see some 
really chunky stuff come out on the first change after using detergent type 
oil.

I say this because my father ruined a 1953 ford F-100 engine when he bought 
it not realizing it had only non-detergent oil in it until then.
Carl

-----Original Message----- 
From: Dick Day
Sent: Wednesday, August 13, 2014 7:50 AM
To: ATIS
Subject: [AT] Switching from non-detergent to detergent oil

I just acquired several older Briggs engines. They all run fine but
discovered that the PO was using non-detergent oil.

The manuals all say to use detergent oil.

What can I expect to happen if I switch from non-detergent to
detergent.  Everything else I have uses detergent and I would love to
be able to stock they same type of oil.

Thanks

Dick
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