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Re: Observation with Rislone [Re: MVFarms] #4840427
08/14/18 07:55 PM
08/14/18 07:55 PM
Joined: Aug 2017
Posts: 8
MVFarms Offline OP
MVFarms  Offline OP
Joined: Aug 2017
Posts: 8
yep, it was that one . . .

Re: Observation with Rislone [Re: MVFarms] #4843553
08/18/18 07:47 AM
08/18/18 07:47 AM
Joined: Dec 2004
Posts: 9,709
1/2 hr N.E. of Detroit
Triple_Se7en Offline
Triple_Se7en  Offline
Joined: Dec 2004
Posts: 9,709
1/2 hr N.E. of Detroit
How many quarts does your crankcase hold?
The Rislone may need longer to work. Or it may need another 16.9oz application, a thousand miles prior to an oil change. I've used it with success in the past. Any engine that holds more than four quarts may need more than just 16.9oz. I know Walmart sells the Rislone in quart bottles and I've had better results using the quart bottle over the Concentrate.

It's probably too late to add the quart bottle. That will thin the oil too much. So try another 16.9 if need-be..... should your crankcase hold 5-6 quarts capacity, using a thicker oil like 15W40.

Just my opinion -- my experience working at home with Rislone and gas-driven engines in the past 45 years.

2019 Hyundai Santa Fe 2.4 factory fill and OEM filter
2004 Chevrolet Colorado 3.5 QS / Valvo syn 5w30/20 blend K&N filter
2003 Chevrolet Malibu 3.1 QS / Valvo Syn 5w30/20 blend Fram EG filter
Re: Observation with Rislone [Re: MVFarms] #4846784
08/21/18 04:42 PM
08/21/18 04:42 PM
Joined: Oct 2007
Posts: 959
South East Asia
kr_bitog Offline
kr_bitog  Offline
Joined: Oct 2007
Posts: 959
South East Asia
Originally Posted By: MVFarms
My daily driver junker truck is a 1992 F150 with the 4.9 . . . Operating temp is always just under 210F (read on a mechanical gauge).

To try and quiet a lifter tick, I added a bottle of the Rislone concentrate to the Traveller 15w-40 that's in it, probably at about the middle of an OCI.

Truck was/is immediately running about 5 degrees cooler. Nothing else was changed.

I don't think it was any reduction in viscosity, as it ran the same temp on SN 10w-30.

Any thoughts?

It is possible, 5 degrees F is quite minimal and it is possible to be impacted by additive added. I have similar observation with Lubegard added to the oil as well. It keeps engine oil temperature colder by 1-2 degree Celcius and the engine takes longer before reaching operating temperature.

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