[DeTomaso] Mixed messages about differential fluid

[Charles Engles]

Tom,

             I would second Jim's observations on Red Line vs. Sta Lube.   I 
have used both.

                       Warmest regards, Chuck Engles



----- Original Message ----- 
From: <pantdino at aol.com>
To: <tbaranek at earthlink.net>; <detomaso at realbig.com>
Sent: Monday, June 04, 2007 3:56 PM
Subject: Re: [DeTomaso] Mixed messages about differential fluid


>
> Tom,
>
> There was a big discussion of this on the Ferrarichat list, a car which 
> uses a European-made transaxle that puts the gearbox and diff in one case.
>
> The analysis was that limited slip fluid is too slippery and will cause 
> the synchros to not grab optimally, which will tend to give gear 
> graunching and POSSIBLY early failure.? Using gear lube that is not 
> designed for limited slip may cause some binding under acceleration with 
> the steering wheel turned hard lock, which will cause a kind of 
> intermittent grab-and-release of the inside tire.? If this happens and is 
> a problem you can add a bit Limited Slip additive bit by bit until it goes 
> away.? Since flooring the throttle with the wheel at hard lock is 
> something I never do, I haven't noted it.
>
> I switched to Red Line 75W-90NS and have noted some improved shifting 
> compared to the StaLube 80W-90 "approved for limited slip" stuff I used to 
> use, but it's not a night and day difference.
>
> Jim
>
>
>
>
>
>
>
> -----Original Message-----
> From: Tom Baranek Home <tbaranek at earthlink.net>
> To: detomaso at realbig.com
> Sent: Mon, 4 Jun 2007 1:41 pm
> Subject: [DeTomaso] Mixed messages about differential fluid
>
>
>
>
>
>
>
>
>
>
> I have about 2 quarts of Castrol 80-90W Hypoy C (limited slip) and am 
> right
> in the middle of changing my diff fluid.
> So I am buying either additional fluid or the BEST for our
> application...1973 L
>
> I am steering away from synthetic and now I'm hearing yeahs and nays about
> posi-trac fluids...
> HELP
>
>
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