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Old 12-01-2015, 06:45 PM
  #16  
Bill Verburg
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Originally Posted by kos11-12
Hi guys

Thanks a lot for all the advises,
Is the Delvac the one called Synthetic ATF?
Will try to find it in France .
Delvac in N. America is what used to be called SHC. Don't know what it's marketed as on the East side of the pond but here's a link to an English Delvac description

Delvac

It is not a Mobil 1 product, There is an M1 gear oil but that is not the same thing.
Old 12-01-2015, 07:11 PM
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kos11-12
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Yep in France we have the SHC , that's what I have got in my box with an LS additif
Old 12-01-2015, 07:12 PM
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Can I use any of these recommended oils in my C4 transmission and front diff?
Old 12-01-2015, 07:15 PM
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The no-longer-SHC Delvac is the right stuff.

http://www.zoro.com/mobil-mobil-delv...11/i/G3460204/
Old 12-01-2015, 07:24 PM
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Bill Verburg
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Originally Posted by kos11-12
Yep in France we have the SHC , that's what I have got in my box with an LS additif
For street use the lsd additive is probably ok, but what it does is reduce the effectiveness of the lsd. Not what you want in a track car.
Old 12-02-2015, 03:37 AM
  #21  
kos11-12
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So the SHC is not that suitable then,
I think my choice would lean towards the
Motul 300 LS, from what they say it's suitable for high performance and competition with LSD.
Old 12-02-2015, 04:20 AM
  #22  
alexjc4
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Originally Posted by kos11-12
So the SHC is not that suitable then,
I think my choice would lean towards the
Motul 300 LS, from what they say it's suitable for high performance and competition with LSD.
I have used both Mobil SHC and Motul 300 gear oil (neither with LS friction modifier additive), my experience was that SHC feels like it gives smoother changes if synchros are in top condition but can baulk more on worn synchros. Motul allows older synchros to work more effectively while being slightly less smooth feeling overall.

I think both are high quality and lubricate, protect and manage heat as well anything out there.
Old 12-02-2015, 04:23 AM
  #23  
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So do we need LS features in the oil for the G64? I have always just used the Delvac product that I do not see any mention of LS in the details for that oil.
Old 12-02-2015, 10:05 AM
  #24  
kos11-12
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Originally Posted by Duck
So do we need LS features in the oil for the G64? I have always just used the Delvac product that I do not see any mention of LS in the details for that oil.
From it has been said in the past in different threads , yes
Old 12-02-2015, 10:12 AM
  #25  
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Found this , apparently very good too

Agip ENI ROTRA SX-S LS 75W90
Old 12-02-2015, 12:54 PM
  #26  
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I have Royal Purple 75/90. Is this not G50 suitable?
Old 12-03-2015, 11:49 AM
  #27  
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My source for Delvac
http://lufteknic.myshopify.com/produ...w-90-gear-lube

These guys are super nice to work with.
Old 12-08-2015, 07:07 PM
  #28  
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Looks like you can buy a 5 gallon bucket of the Kendall Super three star 75w/90. I'm thinking of buying a bucket. Would four SoCal locals be interested in buying the four extra gallons? Just throwing it out there.
Old 12-09-2015, 06:02 AM
  #29  
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Finally went for the Motul 300 LS
at 20 € a litre I hope it do the trick ....
I will change box and diff , will reports soon .
Old 12-09-2015, 11:46 PM
  #30  
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Originally Posted by Bill Verburg
For street use the lsd additive is probably ok, but what it does is reduce the effectiveness of the lsd. Not what you want in a track car.
It does more then that. Synchros require some friction to operate. The Redline LS additive may be making it too slippery for the synchros as well. The whole reason I don't care for the Redline gear oils themselves is that even their NS is too slippery.

Keep using the SHC and skip the LSD additive. All it really does is make the LSD chatter less. It does not improve performance IMO.

Regards,

Matt Monson
Guard Transmission LLC.


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