https://www.biesheuvel.nl/product/58204-75w250-heavy-shockproof-gear-oil
In general GL5 has a higher sulfur content than GL4 has, but surely GL4 does
contain sulfur. Again in general, synthetic gear oil is much better : the
differential will run at a lower temperature because of the lower friction of
the synthetic oils, compared to the mineral oils. I surely would not be afraid
to use the Redline oil gear oils in differentials and dogboxes. There is some
confusion about synthetic gear oil and synchro rings : because of the low
friction, the synchrorings would not grip enough upon the sliding surfaces of
the gearbox hubs, preventing the synchronising, but eating the rings? I don't
think so.
Marcel
----- Oorspronkelijk bericht -----
Van: "fot" <fot@autox.team.net>
Aan: "fot" <fot@autox.team.net>
Verzonden: Woensdag 15 april 2020 20:53:48
Onderwerp: Re: [Fot] Reline Heavy Shockproof Gear OIl All Sythetic
Bud,
Pretty sure, at least with the Spit/GT6 diffs, once you weld them you no
longer have any
yellow bits to worry about.
Don
>
> ------------------------------
>
> Message: 4
> Date: Wed, 15 Apr 2020 11:52:35 -0600
> From: Bud Rolofson <levilevi@comcast.net>
> To: fot@autox.team.net
> Subject: [Fot] Reline Heavy Shockproof Gear OIl All Sythetic
> Message-ID: <EF76AAEC-B96E-4280-82B0-7C8CC7951BBD@comcast.net>
> Content-Type: text/plain; charset=us-ascii
>
> Listerati
> Does anyone know if the Redline gear oil is going to eat the yellow metal in
> my Spitfire differential? Is it GL4 or GL5. Only info I found said it
> "exceeds GL5" without being any more specific. Does being All Synthetic make
> a difference in its ability to eat TR diffs?
> I drained a spare Spit diff of some nasty old oil plus a little bit of water
> (do diffs condensate water internally like gas tanks since they are "open
> air vented) and I want to put gear oil so it's ready to race off the shelf.
> Full disclosure I raced last season with it in my welded Spit 4:11 diff with
> no problems, no leaks, but who knows about the yellow parts.
>
> Living the dream of getting caught up on projects in the shop.
> Thanks
> Bud
>
> Sent from my Commodore 64
>
>
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>
> Subject: Digest Footer
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>
> End of Fot Digest, Vol 103, Issue 123
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