[AT] Switching from non-detergent to detergent oil

Dick Day dickday0 at gmail.com
Wed Aug 13 05:43:04 PDT 2014


Carl, thanks.  I sure don't want to stir up 20+ years of dirt.  I'll
just stick with non-detergent.

Is it safe to assume, that unless it specifies it, today most oil is detergent?

On Wed, Aug 13, 2014 at 7:24 AM, Carl Gogol <cgogol at twcny.rr.com> wrote:
> 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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