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2016 Shelby GT350R, 5.2L 5.7K, 1.4K on Motorcraft 5W50 #5135572
06/16/19 09:25 AM
06/16/19 09:25 AM
Joined: May 2009
Posts: 100
Boulder, Colorado
DrivinWest Offline OP
DrivinWest  Offline OP

Joined: May 2009
Posts: 100
Boulder, Colorado
I suspect that the aluminum spike I saw last time was from 5 track sessions at COTA in 100F+ temperatures. I probably should have changed the oil right after, but moved across the country and didn't have the space or tools. I ultimately ended up doing another ~1500 miles on the track oil. Curious to hear what the experts say.

The great news is that this engine doesn't consume much oil anymore. I found a few ounces in the AOS when I changed the oil, but the dipstick always read in the "don't add oil" range. Some folks are seeing their Voodoo engines consume a quart in 500 miles.

[Linked Image]


2016 Shelby GT350R, Motorcraft 5W50, self fill
2016 Volvo XC90 T6, Castrol 5W30, dealer fill
2016 Jeep Wrangler Willys, Pennzoil Ultra Platinum, 5W20, self fill
Re: 2016 Shelby GT350R, 5.2L 5.7K, 1.4K on Motorcraft 5W50 [Re: DrivinWest] #5135606
06/16/19 10:18 AM
06/16/19 10:18 AM
Joined: Feb 2003
Posts: 8,538
Jupiter, Florida
Cujet Offline
Cujet  Offline

Joined: Feb 2003
Posts: 8,538
Jupiter, Florida
Nice result. I'm not surprised about the viscosity. People are not having great luck with 5W-20 oils doing track days....


People who count on their fingers should maintain a discreet silence.
Re: 2016 Shelby GT350R, 5.2L 5.7K, 1.4K on Motorcraft 5W50 [Re: DrivinWest] #5135692
06/16/19 12:29 PM
06/16/19 12:29 PM
Joined: May 2007
Posts: 8,024
Indianapolis, IN
dnewton3 Offline
Global Moderator
dnewton3  Offline
Global Moderator

Joined: May 2007
Posts: 8,024
Indianapolis, IN
That's not bad wear for heavy runs at the track on a very young engine. This is probably more severe break in than most engines see; so the wear rates make sense.

Color me jealous; love the flat crank high-rpm wail those engines make!



Last edited by dnewton3; 06/16/19 12:29 PM.

The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2016 Shelby GT350R, 5.2L 5.7K, 1.4K on Motorcraft 5W50 [Re: DrivinWest] #5135750
06/16/19 02:05 PM
06/16/19 02:05 PM
Joined: Dec 2016
Posts: 9,119
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 9,119
Waco, TX
Originally Posted by DrivinWest
5 track sessions at COTA in 100F+ temperatures...... The great news is that this engine doesn't consume much oil anymore. Some folks are seeing their Voodoo engines consume a quart in 500 miles.



Sounds like other people need to hit the track more often!!!


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: 2016 Shelby GT350R, 5.2L 5.7K, 1.4K on Motorcraft 5W50 [Re: Linctex] #5137367
06/18/19 09:51 AM
06/18/19 09:51 AM
Joined: May 2009
Posts: 100
Boulder, Colorado
DrivinWest Offline OP
DrivinWest  Offline OP

Joined: May 2009
Posts: 100
Boulder, Colorado
Originally Posted by Linctex
Originally Posted by DrivinWest
5 track sessions at COTA in 100F+ temperatures...... The great news is that this engine doesn't consume much oil anymore. Some folks are seeing their Voodoo engines consume a quart in 500 miles.



Sounds like other people need to hit the track more often!!!

I think there might be some truth to that!


2016 Shelby GT350R, Motorcraft 5W50, self fill
2016 Volvo XC90 T6, Castrol 5W30, dealer fill
2016 Jeep Wrangler Willys, Pennzoil Ultra Platinum, 5W20, self fill
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