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View Poll Results: What oil do you use?
5w30 21 87.50%
0w40 3 12.50%
Voters: 24. You may not vote on this poll

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Old 03-06-2020, 01:04 PM   #1
Astatenate
 
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Do you use 5w30 or 0w40 ?

Just picked up my ZL1. About 2.5k miles from my first oil change (as I change every 3-4K and it was just changed when I bought it) .

But been doing research. Iíve heard good things about both 5w30 and 0w40. Wanting to use M1 as itís readily available and what the dealer uses.

I keep seeing mixed answers on ďuse 5w30 because thatís what the manual says to useĒ and people swearing by 0w40 for protection and good oil pressure.

Are there any benefits to using one or the other? I live in the south so real hot summers. Not to cold of winters. Iíve seen M1 0w40 has closer viscosity to 5w30 with a lot more additives for protection. I also plan to be H/I/E , pulley, tuned, injectors. Etc. So it wonít be some 1k + RWHP. But wonít be no slouch either. I used 0w40 in my 370z (it was known for hot oil temps and breaking down without an oil cooler, I ran 0w40 in it and had good results)

To the oil gurus out there, Would 5w30 or 0w40 be better for my setup? Also what oils do you guys use?
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Old 03-06-2020, 02:07 PM   #2
Crash76
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Penz ultra plat 5-30 around town

Amsoil Dominator Race Oil 15-50 at the track
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Old 03-06-2020, 03:11 PM   #3
silversleeper
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I'm not a guru. I prefer to give broad answers sometimes for other people and situations being included. I'd go full synthetic and not 0-20 unless in a super cold climate nor 10 40 unless in Vegas summer city driving or something.
That being said on cars with variable valve timing and cylinder deactivation (not the ZL1) it's more important to stay close to what the OEM dictates or it might throw codes.
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Old 03-06-2020, 03:17 PM   #4
LsxDoctor
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Winter 0W-30
Summer 10w-40
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Old 03-06-2020, 03:43 PM   #5
Astatenate
 
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Quote:
Originally Posted by Crash76 View Post
Penz ultra plat 5-30 around town

Amsoil Dominator Race Oil 15-50 at the track
Hmm so is 0w40 not as popular as I thought in the LSA platform?
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Old 03-06-2020, 03:45 PM   #6
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Quote:
Originally Posted by silversleeper View Post
I'm not a guru. I prefer to give broad answers sometimes for other people and situations being included. I'd go full synthetic and not 0-20 unless in a super cold climate nor 10 40 unless in Vegas summer city driving or something.
That being said on cars with variable valve timing and cylinder deactivation (not the ZL1) it's more important to stay close to what the OEM dictates or it might throw codes.
Hmm... okay I’ll go with M1 5W30 I suppose. Just thought some people would chime in of 0w40 benefits!

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Winter 0W-30
Summer 10w-40
0w for winter to protect during cold start ups I’m assuming ?
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Old 03-06-2020, 06:11 PM   #7
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I started running Mobil 1 0W-40 5 years ago when I swapped cams. The additive package is definitely better compared to their standard 5W-30. I think it's especially helpful when you run E85 on a regular basis.
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Old 03-06-2020, 07:08 PM   #8
RobZL1
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I ran 5w30 M1 before cam, and now Redline 5w30 after cam (which is higher measured viscosity than M1 of same weight)
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Old 03-06-2020, 08:43 PM   #9
0stones0
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Amsoil 5w30. Spring to fall.
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Old 03-06-2020, 09:11 PM   #10
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Quote:
Originally Posted by DrkPhx View Post
I started running Mobil 1 0W-40 5 years ago when I swapped cams. The additive package is definitely better compared to their standard 5W-30. I think it's especially helpful when you run E85 on a regular basis.
Hmm. So if I donít plan on cams. Is 0w40 still a good option for me? I just have heard really good things regarding their 0w40 and how the viscosity of it is comparable to higher brands (amsoil, RL, etc 5W30) ... Iíve seen a few blackstone oil analysis to confirm.

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Originally Posted by RobZL1 View Post
I ran 5w30 M1 before cam, and now Redline 5w30 after cam (which is higher measured viscosity than M1 of same weight)
You always chime in on my stuff. Did we just become best friends or what?

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Originally Posted by 0stones0 View Post
Amsoil 5w30. Spring to fall.
Thanks for the input! I was hoping to get something more readily available thatís still quality stuff. Whoís got the fastest shipping I can order from?
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Old 03-06-2020, 09:56 PM   #11
RobZL1
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Quote:
Originally Posted by Astatenate View Post
You always chime in on my stuff. Did we just become best friends or what?
Hey, what can I say, I'm a cool dude! Just ask me. LOL

Quote:
Originally Posted by Astatenate View Post
Thanks for the input! I was hoping to get something more readily available thatís still quality stuff. Whoís got the fastest shipping I can order from?
I always order my Redline from Amazon in the gallon containers and get it in 1 or 2 days.

..
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Old 03-06-2020, 10:57 PM   #12
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15w50
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Old 03-07-2020, 08:12 AM   #13
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I use Driven LS on recommendation from Hutter Racing. They seem to think its as good as it gets for my application.

www.drivenracingoil.com/ls30-5w-30-synthetic-street-performance-oil.html
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Old 03-07-2020, 09:38 AM   #14
Crash76
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I like changing my oil for some reason ... Ive probably done 10+ oil changes in 14k mi ... haha ... 2 tranny changes and 2 rear end gear oil changes.

Track time and E85 life
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