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iTrader: (1)

Yea. I wouldn't think much would change.

kyoo

iTrader: (29)

I do remember my mpg dropping off a bit going to 75w110.. which doesn't make a ton of sense, since it should be lighter than sae90.. unless diaqueen's sae90 is relatively thin at operating temps.

anyway, definitely willing to test some of these out, to see if there really is something special

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iTrader: (1)

a 75w110 oil is an sae110 at op temp. so it is thicker than an sae90 like diaqueen. However, when cold, its is an sae75, so it is thinner.

kyoo

iTrader: (29)

as far as I understand, 75w110s were more or less born from the classification of sae90 being split in 2005 or so, where lighter sae90s went to 75w90 and heavier sae90s went to 75w110. anyway, could very well be whichever case... I think i'll try diaqueen, svg 75w90, and redline 75w90

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iTrader: (1)

I'll send off a sample of Amsoil svg 75w140 when I send out a sample of the Amsoil SSO 5w50 I'm trying in the motor. I might send a used sample of the Diaquen currently in my tcase (Per shep's recommendation) too.


How do you get the "test kits"? There is no option to get more than one from blackstone..

kyoo

iTrader: (29)

well heck i'll send out 75w90 svg and we'll see right there if there's a significant difference in additives in the same product w/ different weight. I've got diaqueen, i'll do that too. redline after I get those back, methinks.

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iTrader: (1)

see edit lol

kyoo

iTrader: (29)

oh I buy like 6 at a time lol. the free test kits make u pay anyway for the actual analysis I believe.

kyoo

iTrader: (29)

technically off topic - reading only mitsu diaqueen should be used for the 6spd, thanks to how weak the 6 speed is etc. etc. was specially designed? I don't think that really holds true anymore. IIRC from talks with jon@tre I'm good with redline 75w85 or actually their mt90.

reading heavyweight shockproof both should and should not be used in the rear diff as well.

honestly I'm just looking for something light that protects well. if the specs come out decently i'll probably stick redline 75w90 in the t-case and rear diff.



or maybe lightweight shockproof

Jacks says to use oem lsd in the t-case, or shockproof heavy for non-acd t-case. then it says oem lsd in the rear diff, and definitely not in the rear diff.

TRE says heavyweight is ok in the rear diff and t-case. to me, it sounds too heavy period, and if lightweight can protect like 75w140, and flow like 75w90, that's the best of both worlds - unless that's not right.

definitely not ok in the trans, cuz of the stuff that centrifuges out or w/e

Redline themselves have said the regular gear oil 75w90 WILL provide enough protection, and that if I'm worried, I can go 75w110

kyoo

iTrader: (29)

is diaqueen sae90 a conventional oil? I'm seeing conventional oils cited as having lower ring and pinion temps

LetsGetThisDone

iTrader: (1)

I think Shep told me it is synthetic. I don't remember though. Temp of the gear itself isn't the huge concern, as long as its within range and not hot enough to soften the metal, or effect the heat treat. Fluid temp is the killer. If the fluid overheats, it stops lubricating.

kyoo

iTrader: (29)

gotcha.

anyway, seeing as how jon has heavyweight shockproof, I think i'll give the lightweight a try and see how it does.

as far as sending samples: diaqueen sae90, svg 75w90, and RL LW shockproof I think im going to send

::

more updates - dropping shockproof from the rear diff, but will use heavy shockproof in the t-case. jon's site says not to use under 45deg, which is odd because according to the website it says it flows very well (like a 75w90)..

also worth noting that, because of the moly content, the shockproofs aren't recommended for our differentials supposedly - but diaqueen has moly as well..

more info - the gels that make up the shockproofs thicken a lot at cold temps, hence comments about their flow.

I've been monitoring the rear diff wear - relatively recently rebuilt, but still getting a lot of shavings with the diaqueen. admittedly, this isn't a mitsu diff anymore, it's a cusco, so I will give redline 75w90 a shot, and probably in the t-case as well!

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iTrader: (1)

The ring and pinion are still Mitsu. Just the carrier is a Cusco. How much metal are you getting? Some fuzz on the magnet is normal.

Yea, shockproof gets weird and kind of gooey when it's cold. I stopped using it.

kyoo

iTrader: (29)

decent amount of shavings I'd say, I haven't looked for a while though, i'll take a look again when I flush before the start of the year.

LetsGetThisDone

iTrader: (1)

How many miles do you have on it? When TRE shot peens the gears and what not, they make a little more metal for a longer period of time than a gear set that isn't shot peened. Especially the spider gears.