Red Line Transmission Vs Amsoil Severe Gear 75w-90

Gerry Pope [OP] Well-Known Fellow member

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Which exercise you prefer. I am going to replace my transmission tranny fluid. I have a 3rd gear that refuses to slide in Information technology kinda bumps in when it gets warm.... O' say subsequently the first v minutes.. When I had the rear springs replaced I asked the dealer to check the tranny and the rep told me "they all do that and it is fine!" I don't buy it. I exam drove a couple of half-dozen-speeds and the kickoff Ac I tried did not have bug. Anyhoo.. I have read the raves near Redline MT-xc and that of Amsoil.. I can't find either local so I take to mail gild.. Any preference ?
Thanks..
tacomaman06 Carolina Alliance: Enforcer

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getting there....

i say either one will be fine. both are outstanding oils.
P. Bauer Well-Known Fellow member

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I used

Mobil 1 75W90 in the rear diff, tranny, transfer case and front unequal.
I've used both Motul and Redline in other vehicles (Audi/Mazda RX7 racecar), can't say I've noticed that i was far superior to the other.
linkfeeney Well-Known Member

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link the stink!

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u change ur tranny fluid? u have a auto or transmission? they say my car is a new type and I dont take to alter it for 100K miles. I dont have the dipstick to cheque tranny fluid
Joe B Well-Known Member

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I went with Amsoil Severe Gear 75w90 in Diffs and transfer case..
P. Bauer Well-Known Member

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Gerry Pope [OP] Well-Known Member

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Thanks for all the replies.. Six of 1 etc. Plant a place that sells the Redline for $9 a quart.. Think that is the route I will go..
Will let you know if information technology does annihilation for my trouble..
papabear050 Well-Known Fellow member

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Chickenmunga Nuggety

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All the normal TW BS

I'll put my vote for Amsoil - I'm using information technology for engine oil, simply not going to mess with what isn't broken or easy to gear up myself (the tranny). I believe that the redline cost y'all found is quite good.
For Amsoil you tin try the dealer locator.
linkfeeney Well-Known Member

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link the stink!

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I called my dealers and no respond
I dont desire to order it online, and so i have to pay for shipping and tax, then it would get too pricey. Prices also loftier, so i rather just take mobil 1
Joe B Well-Known Member

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Reading all those test results,I'm fifty-fifty happier I'm using Amsoil Severe Gear.
papabear050 Well-Known Member

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yup,
when the fourth dimension comes information technology'll be Amsoil SG in the Transfer case and Front. Diff

Redline MT-ninety in the Manual Transmission

And Dino (Valvoline or Penn 80s-90 and LSD additive in the rear)

Wish I could utilize Amsoil all around simply not good for LSD
Joe B Well-Known Member

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Amsoil is fine with the LSD.
I was told the Severe Gear oil has tha posi condiment.
If information technology makes you experience improve you can add the condiment with the Amsoil Severe Gear.
I did.
Annotation: AMSOIL Constructed Gear Lubes do not require the use of this additive. Notwithstanding, not all differentials reply the same and if chatter is noticed, the addition of AMSOIL Slip Lock will eliminate it. For chattering differentials not running AMSOIL Gear Lube, this product is an excellent solution to the problem.
http://www.amsoil.com/storefront/ada.aspx
papabear050 Well-Known Member

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Yeah, but I bet the LSD in the 05-08 will chatter with any syn. Rather not adventure it.
Joe B Well-Known Member

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Information technology may not and if somehow information technology does,you can add the 4 ounce condiment.
I added the additive when I changed over and take no problems.
papabear050 Well-Known Member

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http://www.toyotanation.com/forum/showthread.php?t=196715&highlight=lsd+binding
this is why I'm hesitant.

But don't worry, you take an auto LSD in the 09's so it seems yours will have no problems. No cause for business concern.
Joe B Well-Known Member

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Reading the first two pages information technology seems Mobil 1 is the but fluid that caused a problem.
I have no problems.
A Amsoil Rep said the Severe Gear has the friction modifier but I could add a 4 ounce bottle of any brand modifier if I'd like.
I chose to add Amsoil's friction modifier just in instance.
papabear050 Well-Known Member

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Wise decision.... However, I think the 2009 moved away from a traditional mechanical LSD.
They use a auto LSD which utilizes the computer and restriction control to limite bicycle sideslip. Therein lies the difference, hence no mech. lsd, no churr.

"Information technology'due south basically cost-cutting on Toyota'southward part. A mechanical LSD is a clutch operated device within the rear end (differential associates) of the Tacoma w/ Sport Bundle 2005-2008. On an open differential, in that location isn't such a device, and when a difference in bicycle speed betwixt the left and right rear wheels is accomplished, power is delivered solely to the spinning cycle since it has the least resistance in a wheelspin situation. With a mechanical LSD, the difference in cycle speed is reduced (not eliminated) because the clutch tin partially lockup (hence why information technology's called express slip) the differential, thus assuasive power to accomplish the wheel with traction. The amount of differential lock is limited, and then LSDs tin can be overpowered. The threshold is commonly dependent on how aggressive the LSD clutch is, and ordinarily, road going production trucks generally don't see very aggressive LSDs from the mill.

Toyota's new Auto-LSD organization is completely electronic, eliminating the demand for the mechanical LSD. This system uses the rear brakes to limit the amount of wheelspin achieved. Think of the clutch in the mechanical LSD equally an internal brake when its activated except it acts on the bodily differential and non the wheels. When the Motorcar-LSD system detects a wheel spinning faster than the other (through the ABS speed sensor), it activates the rear restriction on that wheel and then the other wheel can get ability.

They have the same premise, they merely go about it in different ways. An electronically simulated LSD just wears the vehicle'south brakes, whereas a vehicle equipped with an LSD wears the clutch/clutches in the LSD itself."
Joe B Well-Known Member

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Very interesting.
Cheers,papabear.
I know this is an old post, hoping for an answer yet. Does this mean that the Automatic LSD does not require the LS additive? I have been asking every dealer in the area and can non become a straight reply on the rear unequal fluid I need.