[Fot] Reline Heavy Shockproof Gear OIl All Sythetic

[van.mulders.marcel at telenet.be]

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 at autox.team.net>
Aan: "fot" <fot at 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 at comcast.net>
> To: fot at autox.team.net
> Subject: [Fot] Reline Heavy Shockproof Gear OIl All Sythetic
> Message-ID: <EF76AAEC-B96E-4280-82B0-7C8CC7951BBD at 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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