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Oil Recommendation for LS7 Z06 Street & Track Usage #5240688 10/15/19 07:46 PM
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randomhero439 Offline OP
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Hey Guys,

I am selling my S2000 with has been primarily my track toy and transitioning over to using my C6 Z06 as a track car. The Z06 has 55k miles on it, 2008 vintage and the famed LS7 motor. The car is going to be prepped for A-Street in autocross. Basically modifications will include Corsa mufflers, K&N drop-in filter, shocks, sway bar, stainless steel brake lines, and 200 treadwear tires. Pretty mild modifications.

For 2020
~5000 miles of street use
~3-4 track days
~10 autocross events

I've been using Mobil 1 5w-30 with a Mobil 1 oil filter since the car does really see any track time now. Seeing as I am going to see more abuse on it, I'd like to reconsider. Thinking a couple options here. Stick with the 5w-30 and use Redline products. Bump to Mobil 1 0w-40, should I do FS or ESP? In 2018 Chevy started to factory fill all the C7 cars with 0w-40 ESP and Mobil 1 released a bulletin that Chevy endorses the 0w-40 ESP as their "street/track" oil recommendation. The ESP has 900/990 ZDDP while FS has 1000/1100 ZDDP which makes me think its purely emissions related. Wondering if there is any other formulation differences. Next there is also the Chevy recommended 15w-50 blend for heavy track use. Don't think I will go to this as my track sessions are around ~20 minutes and not competitive.

In short...
Redline 5w-30
Mobil 1 0w-40 FS
Mobil 1 0w-40 ESP
Mobil 1 5w-30
Or.... something else?

Additionally, I am thinking to use the OEM AcDelco PF48E filter. Thoughts on this over a K&N or Mobil 1?


'08 BMW E92 335xi 6MT, Castrol 0w-40, daily
'10 Mercedes GLK: M1 0w-40, wife's car
'00 S2000: M1 0w-40, summer daily & track car
'08 Corvette Z06: M1 5w-30, summer daily & track toy

Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5240700 10/15/19 07:56 PM
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Snagglefoot Offline
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Do you have an oil temperature gage? That would help with making the decision.


If you want the job done right......do it yourself.
Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: Snagglefoot] #5240750 10/15/19 08:38 PM
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randomhero439 Offline OP
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I think oil temps were around 260F on the one and only track day I took the car to. I didn’t push it too hard, so I bet 280F wouldn’t be far from possible if I started getting after it on some hot laps.


'08 BMW E92 335xi 6MT, Castrol 0w-40, daily
'10 Mercedes GLK: M1 0w-40, wife's car
'00 S2000: M1 0w-40, summer daily & track car
'08 Corvette Z06: M1 5w-30, summer daily & track toy

Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5240765 10/15/19 08:49 PM
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oldhp Offline
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"In 2018 Chevy started to factory fill all the C7 cars with 0w-40 ESP and Mobil 1 released a bulletin that Chevy endorses the 0w-40 ESP as their "street/track" oil recommendation."

↑↑↑↑↑↑↑↑ This. Chevy and Mobil 1 said so. ↑↑↑↑↑↑↑↑↑


"None of us are getting out here alive.....drink that beer.....eat that pizza......drive that Hot Rod"
"When others cut you down, remember where they came from."
"I don't run...........I just wait"
Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5240824 10/15/19 09:43 PM
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GumbyJarvis Online Happy
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PUP 0W40 SRT
Eneos Racing Street 0w50
Schaeffers 0w40


2018 RAM 1500 SLT 5.7L
Formula Shell Conventional 5w20 - Fram Tough Guard


Disabled US Army Vet
OEF 2013-2014
Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5240869 10/15/19 11:37 PM
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Jimmy_Russells Online Content
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260+ oil temps I would probably go to the 50 weight

Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: Jimmy_Russells] #5240877 10/16/19 12:31 AM
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GumbyJarvis Online Happy
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Originally Posted by Jimmy_Russells
260+ oil temps I would probably go to the 50 weight



Yup.
I'd go with either
Eneos Racing Pro 10w50

https://www.eneos.us/product/eneos-racing-pro-10w-50/

Or

Eneos Racing Street 0w50
https://www.eneos.us/product/eneos-racing-street-0w-50/

I'd lean more toward the 0w50, with it having API SN certification


2018 RAM 1500 SLT 5.7L
Formula Shell Conventional 5w20 - Fram Tough Guard


Disabled US Army Vet
OEF 2013-2014
Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: Snagglefoot] #5240998 10/16/19 06:31 AM
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Snagglefoot Offline
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Originally Posted by Snagglefoot
Do you have an oil temperature gage? That would help with making the decision.


260 F IS hot and will thin your oil considerably from the normal 212 F.


If you want the job done right......do it yourself.
Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5241677 10/16/19 05:59 PM
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MrHorspwer Offline
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Sam Strano swears by Redline. Considering he probably puts more track miles on his Corvettes each year than I put street miles on mine, I'm apt to take his advice. To my knowledge, he's never lost an engine with Redline in the sump.

From Grassroots Motorsports:
Quote
One hotly debated topic is oil starvation. Some cars that are run hard tend to spin bearings and go through engines. However, based on our own experience and the experience of fellow competitors, we believe that the issue is more related to the oil used than the engine’s design. We highly recommend using Red Line oil.


https://grassrootsmotorsports.com/articles/tech-tips-2005-13-chevrolet-corvette/

He has shared his issues, specifically with Mobil 1, in numerous forums. Search around and you'll find them. Or call and ask him yourself. He's a nice and incredibly knowledgeable guy.

If you're on Facebook, he also moderates a private group for SSR drivers. There is also a private group for AS drivers. Most of the members run Corvettes. Tons of straight talk from people who win championships. My C5 is in BS, but I'm still a member of both groups since much of the info crosses over.

Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5241693 10/16/19 06:15 PM
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RazorsEdge Offline
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I'd go Redline oil myself.

I'm not impressed with Mobil 1


2015 Ford Escape Ecoboost 1.6
Schaeffers 9000 5w20

1987 Mustang GT
Vortech Supercharged
Schaeffers 7000 10w30
Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5241754 10/16/19 07:20 PM
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randomhero439 Offline OP
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I tried a M1 15w-50 in my S2000 and generally was not impressed with it. Cold starting seemed harsher, the engine feels more labored getting to redline, and oil temps were higher than normal for a track day. Frequently getting into the 280F+ range during a 20 minute track session. I think the extra viscosity was making the engine less efficient due to windage, and reduced cooling due to lower flow rate.

I'm kinda gun-shy of going to a 15w-50 after that.

Redline 5w-30 is appealing due to the massively strong additive package, high thermal stability (low NOACK), and lower viscosity which should help with cooling and efficiency.
Mobil 1 0w-40 is appealing due to it's higher ZDDP for an SN oil, low price, and pedigree for OEM fill on many high performance cars
Pennzoil 0w-40 is the same appeal as Mobil 1, but more expensive.


'08 BMW E92 335xi 6MT, Castrol 0w-40, daily
'10 Mercedes GLK: M1 0w-40, wife's car
'00 S2000: M1 0w-40, summer daily & track car
'08 Corvette Z06: M1 5w-30, summer daily & track toy

Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5262697 11/09/19 05:07 PM
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randomhero439 Offline OP
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Ended up just buying a case of Redline 5w-30
I think the base oil, lack of VII that break down at high temp, performance oriented additive package, and HTHS/Viscosity ratio. This is gonna be a winner. Max engine efficiency to keep temps low too.


'08 BMW E92 335xi 6MT, Castrol 0w-40, daily
'10 Mercedes GLK: M1 0w-40, wife's car
'00 S2000: M1 0w-40, summer daily & track car
'08 Corvette Z06: M1 5w-30, summer daily & track toy

Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5262752 11/09/19 06:35 PM
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dave1251 Offline
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Originally Posted by randomhero439
Ended up just buying a case of Redline 5w-30
I think the base oil, lack of VII that break down at high temp, performance oriented additive package, and HTHS/Viscosity ratio. This is gonna be a winner. Max engine efficiency to keep temps low too.



Redline hasn't shown to be a great option here with GM LS engines. I recommend M-1 0W40.


make the inside of your engine oil cap white.
don't use.
Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5262784 11/09/19 07:13 PM
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PowerSurge Online Content
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For track use, I would run either Redline or Motul.

Edit: just read where you bought Redline. Good choice. smile

Last edited by PowerSurge; 11/09/19 07:14 PM.
Re: Oil Recommendation for LS7 Z06 Street & Track Usage [Re: randomhero439] #5262792 11/09/19 07:27 PM
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RazorsEdge Offline
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Originally Posted by randomhero439
Ended up just buying a case of Redline 5w-30
I think the base oil, lack of VII that break down at high temp, performance oriented additive package, and HTHS/Viscosity ratio. This is gonna be a winner. Max engine efficiency to keep temps low too.


approved


2015 Ford Escape Ecoboost 1.6
Schaeffers 9000 5w20

1987 Mustang GT
Vortech Supercharged
Schaeffers 7000 10w30
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