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Old 02-09-2023, 01:47 PM   #1
Yves ZL1
 
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État transmission Oil

Hi guys

I need to change my rear trans oil…

The right oil is below… if I’m right…

GM ACDelco Dexron LS 75W-90 Gear Oil 32oz

As I’m french… this oil isn’t sold here…

Is there another possibility ?
Otherwise maybe a e website that could ship it… but not rockauto cause thé selling form is really a shit… lol

I would like to have a ser with de pump system on the cork..
Thanks guys
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Old 02-09-2023, 02:26 PM   #2
Vigilante375

 
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Can you order it from Amazon? They sell it as I get mine from there. You'll need enough to fill the diff as it holds roughly 1.6 quarts.

Royal purple, Amsoil and red line are other brands you can use. Make sure that they have the slip friction modifier.
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Old 02-09-2023, 02:41 PM   #3
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Amsoil Severe Gear (for rear diff) - don't even bother with anything else. It always wins standardized tests - real science, not internet opinions
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Old 02-09-2023, 04:07 PM   #4
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Originally Posted by ZX-10R View Post
Amsoil Severe Gear (for rear diff) - don't even bother with anything else. It always wins standardized tests - real science, not internet opinions
Real science from owners show that the OEM stuff does very well too.

I don't know how many ZL1s have had their rear end blow up because of the fluid by using the OEM fluid or anything else within spec. But I'm going to say it's 0.
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Old 02-10-2023, 05:34 AM   #5
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Quote:
Originally Posted by Vigilante375 View Post
Real science from owners show that the OEM stuff does very well too.

I don't know how many ZL1s have had their rear end blow up because of the fluid by using the OEM fluid or anything else within spec. But I'm going to say it's 0.
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Old 02-10-2023, 05:40 PM   #6
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The ELSD is not a traditional limited slip where the clutch pack is under constant spring tension and needs LS additive to not chatter, it has a clutch pack resembling a motorcycle clutch that is electronically/hydraulic controlled like a manual locker but variable. My point being using a limited slip oil/additive will severely reduce the performance of the ELSD as it will not lock up as intended. YMMV

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Old 02-10-2023, 07:54 PM   #7
Vigilante375

 
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Quote:
Originally Posted by Warrior102 View Post
The ELSD is not a traditional limited slip where the clutch pack is under constant spring tension and needs LS additive to not chatter, it has a clutch pack resembling a motorcycle clutch that is electronically/hydraulic controlled like a manual locker but variable. My point being using a limited slip oil/additive will severely reduce the performance of the ELSD as it will not lock up as intended. YMMV

The clutch pack side and the gear side are two separate areas and takes 2 separate types of fluid. You want the additive for the gear oil. The clutch side takes ATF, I believe.

You need special tools to gain access to the clutch pack side and it's not a regular maintenance item like the gear side is.

https://www.camaro6.com/forums/showthread.php?t=548936
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Old 02-13-2023, 04:23 AM   #8
Yves ZL1
 
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I just want to change the oil… no more …and as the spec … don’t want to break something or have a risky situation..

I cannot order on amazon… cause the dot com is a french site…

I don’t know if I can create an us or canadian amazon account…
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Old 02-13-2023, 07:05 AM   #9
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Originally Posted by Yves ZL1 View Post
I just want to change the oil… no more …and as the spec … don’t want to break something or have a risky situation..

I cannot order on amazon… cause the dot com is a french site…

I don’t know if I can create an us or canadian amazon account…
You have a few brands to go off of. See if you can find a local performance shop or a place where they dyno vehicles and ask them if they can order the fluid for you by any of these brands in the correct spec.
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Old 02-13-2023, 07:51 AM   #10
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french ebay?
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