I have cases and cases of this oil passed down to me by 'Unca Joel. This
engine has never known anything else. Oil has zinc in it. I really don't
see where changing oil brands would have any effect, except where
synthetics are concerned, like moving from dino oil to a synthetic like
Mobil One 15W50.

John
On Feb 28, 2015 1:46 PM, "Jim Felder" <jim.felder@gmail.com> wrote:

> Switch to Castrol
>
> On Saturday, February 28, 2015, John Rodgers <jrodgers113@gmail.com>
> wrote:
>
>> Oil is Kendall GT-1 20W50.
>>
>> At idle, flickering light, turn the engine off, then restart, the light no
>> longer flickers. It might, or it might not, flicker at the next stop.
>>
>> I have never had a low oil pressure indication before. But the engine was
>> out of service while the oil cooler seal was replaced and two pushrod
>> tubes
>> were replaced on the side opposite the oil pressure switch. That switch
>> was
>> undisturbed. When the van was again put on the road, the first time out,
>> the light flickered at a stop. Am mystified why it has never flickered
>> before, now suddenly it does. Engine has 114, 000 odd miles on it.
>>
>> John
>> On Feb 28, 2015 12:58 PM, "Dan N" <dn92610@gmail.com> wrote:
>>
>> > either the oil pressure sensor are bad or you have a low oil pressure ..
>> >
>> > what grade of oil are you using?
>> >
>> > On Sat, Feb 28, 2015 at 10:45 AM, John Rodgers <jrodgers113@gmail.com>
>> > wrote:
>> >
>> >> The oil pressure light comes on after a long run at speed when I have
>> to
>> >> drop to idle and stop for traffic or a stop light. Doesn't happen every
>> >> time but frequently enough to keep me spooked. I have checked the wires
>> >> and
>> >> found no faults. What is happening. What else might cause this?
>> >>
>> >> John
>> >>
>> >
>> >
>>
>