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2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles #4598580
12/08/17 09:22 PM
12/08/17 09:22 PM
Joined: Oct 2016
Posts: 24
NY
c5z06 Offline OP
c5z06  Offline OP
Joined: Oct 2016
Posts: 24
NY
Mods:
Supercharger @ 13 psi
Ported Heads
Cam
Meth Injection
Full Exhaust

Oil: Castrol 0w40 A3/B4 Euro
Fram Ultra Filter

Fuel was 93 pump, and for one tank it was a 50/50 mix of MS 109, but that was only once.

Stock short block (crank, rods, pistons), pushing it pretty hard power wise. I did some airport racing during this change, with a lot of WOT pulls.

No new parts were installed between oil changes.

If its not a bearing, what is it? I thought bearing due to the stock bearing contents initially, but I don't really grok how much would be in the oil if the bearing was going bad TBH.



Last edited by c5z06; 12/08/17 09:26 PM.
Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4598586
12/08/17 09:28 PM
12/08/17 09:28 PM
Joined: Jul 2010
Posts: 19,281
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 19,281
PNW
Probably just from driving it really hard. Did you cut open the oil filter to look for bigger debris? If you have a bearing going bad, you might see something bigger stuff caught in the oil filter.

Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: ZeeOSix] #4598589
12/08/17 09:31 PM
12/08/17 09:31 PM
Joined: Oct 2016
Posts: 24
NY
c5z06 Offline OP
c5z06  Offline OP
Joined: Oct 2016
Posts: 24
NY
Good idea, I'll try to cut it open this weekend. It would be nice to rule out bearings, and chalk it up to giving her a beating every time I drive it.

Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4598598
12/08/17 09:45 PM
12/08/17 09:45 PM
Joined: Dec 2016
Posts: 7,151
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,151
Waco, TX
Does your supercharger use engine oil for lubrication?


"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: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4598648
12/08/17 11:19 PM
12/08/17 11:19 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
You might try a different oil.

Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4598667
12/09/17 12:30 AM
12/09/17 12:30 AM
Joined: Apr 2016
Posts: 966
KS
FordBroncoVWJeta Online content
FordBroncoVWJeta  Online Content
Joined: Apr 2016
Posts: 966
KS
Meth Injection?


2017 Volkswagen Jetta 1.4T - 2015 Honda CRV 2.4 - 2012 Volkswagen Jetta 2.0 - 2001 Pontiac Sunfire 2.2
Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4598714
12/09/17 05:49 AM
12/09/17 05:49 AM
Joined: Dec 2017
Posts: 418
Finland
Bjornviken Offline
Bjornviken  Offline
Joined: Dec 2017
Posts: 418
Finland
Try Mobil 1 0w-40

Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4598805
12/09/17 08:41 AM
12/09/17 08:41 AM
Joined: Jan 2009
Posts: 2,471
wi
dave123 Offline
dave123  Offline
Joined: Jan 2009
Posts: 2,471
wi
Mobil 1 5w50 or 15w50 I think I would try.

Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4598807
12/09/17 08:43 AM
12/09/17 08:43 AM
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
Use a racing oil, too much LL detergent and surface competition in the 0w40


2014 Nissan Rogue S CVT, OC#10 47272mi-QSUD10W30+5w20 Toughguard Filter; '17 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter
Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: ARCOgraphite] #4598815
12/09/17 08:46 AM
12/09/17 08:46 AM
Joined: Dec 2005
Posts: 10,306
Upper Midwest
kschachn Offline
kschachn  Offline
Joined: Dec 2005
Posts: 10,306
Upper Midwest
LL detergent? Too much?


1994 BMW 530i, 238K
1996 Honda Accord, 266K
1999 Toyota Sienna, 407K
2000 Toyota ECHO, 280K
Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4598889
12/09/17 10:37 AM
12/09/17 10:37 AM
Joined: Nov 2004
Posts: 880
North Carolina
Rickey Offline
Rickey  Offline
Joined: Nov 2004
Posts: 880
North Carolina
Given the blower and pump gas at least part of the time; it would be nice to rule out detonation/pre-ignition.

Assuming that the knock sensor is working would tend to minimize suspicion of detonation and or pre-ignition.
If these problems are present however this could "beat up" the bearings and other things.
Run as much octane as you can afford!!
Methanol definitely helps with that.

The lack of lead is usually contrary to a hypothesis of bearing damage. ( possible exception below )

Where did the copper come from?
Does it have an engine oil cooler?

Does it have a manual transmission?

Long shot here: with a stout clutch pressure plate the crankshaft thrust bearing can wear through to the layer that has more copper.
This could result in a lot of copper without a lot of lead...maybe.

The iron is likely from rings and cylinder liners.

My gut feeling is that this UOA is the normal result of hard running.

If it were mine I would consider a racing oil or M1 15W50 as others have suggested.
If you run a true racing oil change it often to keep sludge type deposits to a minimum.

It's entirely possible that this UOA is normal for your engine under the operating conditions that were present.

Good luck and keep it right side up and on the pavement!

Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4598982
12/09/17 12:47 PM
12/09/17 12:47 PM
Joined: Nov 2014
Posts: 174
AZ
ron17571 Offline
ron17571  Offline
Joined: Nov 2014
Posts: 174
AZ
I guess I am old fashioned and that thin oil just makes me nervous. Euro oil in a Corvette?


2003 Dodge Caravan 140.000 miles
1992 Ford f-250 217,000 miles
Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4599054
12/09/17 02:21 PM
12/09/17 02:21 PM
Joined: May 2017
Posts: 146
New York Queens
Ram02 Offline
Ram02  Offline
Joined: May 2017
Posts: 146
New York Queens
Mobil 1 5w30 is all that Vette needs


2013 Malibu 2LT M1 5w30
2013 Accord Sport M1 AP 0w20
Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: ron17571] #4599117
12/09/17 03:31 PM
12/09/17 03:31 PM
Joined: Dec 2005
Posts: 10,306
Upper Midwest
kschachn Offline
kschachn  Offline
Joined: Dec 2005
Posts: 10,306
Upper Midwest
Originally Posted By: ron17571
I guess I am old fashioned and that thin oil just makes me nervous. Euro oil in a Corvette?

What thin oil? Who suggested thin oil?


1994 BMW 530i, 238K
1996 Honda Accord, 266K
1999 Toyota Sienna, 407K
2000 Toyota ECHO, 280K
Re: 2002 Corvette Z06 - Castrol 0w40 Euro - 1122 miles [Re: c5z06] #4599760
12/10/17 10:29 AM
12/10/17 10:29 AM
Joined: Oct 2003
Posts: 242
NJ
crainholio Offline
crainholio  Offline
Joined: Oct 2003
Posts: 242
NJ
When I took school at Bondurant in 2004, their fleet was C5 Corvettes and they ran Mobil-1 15W-50. Speaking to the shop guys, they said they blew two engines early in the program running 5W-30. GM sent engineers, and after analysis they recommended the thicker 15W-50. No blown engines after making the switch.

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