[DeTomaso] Redline NS or Mobil 1 LS?

[MyCars]

I like this description... I will be using this in the future. But just 
last week I put Royal Purple 85W140 NS in my ZF.

Should I be draining and replacing it?


On 4/16/2011 3:36 PM, Pantdino wrote:
> As far as I'm concerned this post by Les Gray is the final word on this topic:
>
> OK guys.............here it goes. I (we) at Vehicle Performance Center
> here in Arizona where I work , have been using Redline 75-90 NS for the last 15
> years in every ZF we service or ones which I rebuild. We have noted much longer
> synchronizer life and much better limited slip lock engagement with much less
> "slip" which equates to less heat build up.
>         The reason is the LACK of the limited slip additive used to quiet down
> the LS noise/chatter which, as stated , many manufacturers use. This additive
> DOES NOT enhance limited slip performance , to the contrary .......it degrades
> the speed at which the limited slip goes to its maximum locking capabilities
> because it is extremely slippery stuff that will not allow the LS to groan or
> chatter as it engages ie: customers won't complain about odd noises when they
> turn their vehicle and the two rear wheels turn at different rates which begins
> to activate the limited slip.
>         Now go one step further and guess what this ultra slippery goo does to
> your synchronizer rings ability to lock up on it's tower?????  Lets see . . . .
> slippery stuff - sync slips instead of grabbing - heat goes up - synchronizer
> ring  degrades more rapidly because of grater slippage and heat generated before
> it finally grabs and locks up.
>
>   The ZF synchronizers require a good bit of friction  as it is being applied by
> the synchronizer slider ring in order to "grab" the towers and lock up. Too
> slippery - longer time for the item to fully stop the gear and this will
> accelerate the speed of synchronizer and tower wear . . . . .  great for my
> business , bad for your wallet.
>          I know that some will disagree with me and continue to follow the flock
> (and that's OK because different opinions are what makes us better and the
> dialog can lead to more information which can change minds ....even mine!!) but
> folks, I spoke with the people at Redline on this subject at length years ago
> and will stand behind using this oil until I take my dying breath.
>
> Les Gray
>
>
>
> If you don't care about how long your synchros last you can use something else.
>
> Jim Oddie
>
>
>
>
>
>
> -----Original Message-----
> From: Panteratime<panteratime at aol.com>
> To: detomaso at realbig.com
> Sent: Sat, Apr 16, 2011 5:31 am
> Subject: [DeTomaso] Redline NS or Mobil 1 LS?
>
>
>
> Folks--
> eed final opinion since Redline products seem to be hard to find around here.
>   hear good things about Redline NS but also about Mobil 1 LS---The difference
> etween NS and LS does concern me as I want a no hassle gear oil change in my ZF
> ith not having to add any additives.
> edline 75w-90 NS  or Mobil 1 LS?   4 Qts?
> Thanks
>
>
>
>
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