[Fot] Diff lube

[fubog1]

 lacking the EP additives required for hypoid gears used in differentials. 
 This has always been my biggest concern, but I don't do LSDs... (well except for maybe a couple hits back in the early 70s...)Glen
 
 
-----Original Message-----
From: Greg Blake via Fot <fot at autox.team.net>
To: Fot <fot at autox.team.net>
Sent: Thu, Aug 15, 2019 7:12 am
Subject: Re: [Fot] Diff lube

Any Redline MT or MTL fluid is designed for transmissions and is lacking the EP additives required for hypoid gears used in differentials. 
I had been using MTL in my racing diff for 7 years without a problem. This was with a gear set that likely had 50,000+ street miles on them so were well broken in. 
last year when I built a new diff with a new gear set, things did not go well. I used MTL and destroyed the gears in about 20 laps. The gears actually melted. The only conclusion I could draw was that I did not have the EP additive package required for hypoid gears during the critical break in period for the new gears. 
I now use the redline shock proof which does have the EP additives. Works like a champ.  I have a welded diff. 
Greg

Sent from my iPhone
On Aug 15, 2019, at 5:21 AM, Chris Marx via Fot <fot at autox.team.net> wrote:



#yiv7709570345 #yiv7709570345 -- _filtered #yiv7709570345 {panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv7709570345 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;} #yiv7709570345 #yiv7709570345 p.yiv7709570345MsoNormal, #yiv7709570345 li.yiv7709570345MsoNormal, #yiv7709570345 div.yiv7709570345MsoNormal {margin:0cm;margin-bottom:.0001pt;font-size:11.0pt;font-family:sans-serif;} #yiv7709570345 a:link, #yiv7709570345 span.yiv7709570345MsoHyperlink {color:#0563C1;text-decoration:underline;} #yiv7709570345 a:visited, #yiv7709570345 span.yiv7709570345MsoHyperlinkFollowed {color:#954F72;text-decoration:underline;} #yiv7709570345 p.yiv7709570345msonormal0, #yiv7709570345 li.yiv7709570345msonormal0, #yiv7709570345 div.yiv7709570345msonormal0 {margin-right:0cm;margin-left:0cm;font-size:11.0pt;font-family:sans-serif;} #yiv7709570345 span.yiv7709570345E-MailFormatvorlage18 {font-family:sans-serif;color:windowtext;} #yiv7709570345 .yiv7709570345MsoChpDefault {} _filtered #yiv7709570345 {margin:70.85pt 70.85pt 2.0cm 70.85pt;} #yiv7709570345 div.yiv7709570345WordSection1 {} #yiv7709570345 I use Liqui Moly (GL5) LS SAE 75W-140 4421 in all race cars.I had put in my LSD to the TR4 in year 2010 and it still looks like new which I blame to the oil.Trouble free stuff.I use it also on  the TR8 and it works great…also trouble free yet, with more than the double torque and power on it.  CheersChris    Von: Fot <fot-bounces at autox.team.net> Im Auftrag von kkjjk--- via Fot
Gesendet: Mittwoch, 14. August 2019 20:45
An: fot at autox.team.net; kkjjk at aol.com
Betreff: [Fot] Diff lube  To all FOT guys (and gals)-  Can you tell me what type of rear diff lube you are using with a Quaife LSD set up?-  Otherwise stock GT6 rear.  I was using Redline Light Weight Shockproof oil but I have heard that's not good.   Thanks!- Jay De Pol
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