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post #41 of 69 (permalink) Old 11-15-2006, 12:07 PM Thread Starter
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Quote:
by the way you dont need royal purple syncromesh for the rear end.

there are no syncros in the rear end LOL.

i would go with valvoline or better in the rear end. because all this stuff is going for like 10 bucks a quart and you need 6 quarts for the tranny and the rear end. thats 60 bucks plus tax.

if you use valvoline in the rear end and redline in the tranny you can get away with 40 bucks.

plus you need to purchase a sucktion pump for like 10 bucks. and you need to get a allen socket which only comes in a set and cost me 14 bucks at autozone. so if you are not carefull you will end up spending 90 bucks including tax to to the entire job....................!!!!
It isn't a cheap job, but its not like you will do it often.

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post #42 of 69 (permalink) Old 11-15-2006, 12:45 PM
 
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Quote:
It's very popular among Acura/ Honda manual
tranny peeps. I swear by it. Here's info for the
AC Delco labeled, GM product. If you google
the name of the oil you'll get lots of links to
discussion forums where peeps are talking
about it.

Part 10-4014
88900399
Synchromesh Manual Transmission Fluid (Friction Modified)

* Contains a semi-synthetic lubricant compatible for use in NV 1500 transmissions
* Reduces transmission component wear



+1 for syncromesh. Another honda owner that swears by it! Made the s2k tranny even better.
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post #43 of 69 (permalink) Old 11-29-2006, 02:58 PM
 
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I found this:
Pennzoil Synchromesh Manual Transmission Fluid
by Jeff Lucius



The information presented here is gathered from the documents listed in the References section below.

Pennzoil-Quaker State Synchromesh is a unique transmission and transaxle fluid that is not API "GL" rated. It has an approximate gear oil grade of about SAE 80W and can be used when temperatures range from -40ºF (-40ºC) to 300ºF (150ºC). According to Pennzoil's product description it is "formulated with high quality paraffinic base stocks, a fluidity modifier, multifunctional performance additives, corrosion inhibitors, a foam suppressor and a shear stable viscosity index improver additive. It provides excellent oxidation stability, low temperature performance, excellent synchronizer performance and compatibility with yellow metals, such as bronze, brass and copper components found in manual transaxles and transmissions." This description makes Synchromesh suitable for use in some transaxles or transmissions where GL-4 gear oils are specified.
A post on the message board at www.oilanalysis.com found Synchromesh to consist of a 5W30 non-detergent oil with a friction modifer and an EP (extreme pressure) additive. It is made under contract for General Motors by Pennzoil (APC 3378) or by Texaco (Code 1874 MTX Fluid).

According to Don Johnson, Synchromesh fluid was developed for use in the New Venture manual transmission used by Chrysler and General Motors. Specifically, Synchromesh is formulated for transmissions that require GM Part No. 12345349 (Specification No. 9985648), GM Part No. 12345577, or Chrysler Part No. 4874464 (Specification MS-9224). Owners of Diamond Star Motors (DSM) Eclipse, Talon, and Laser cars with MMC (Mitsubishi Motor Corporation) transaxles have reported positive experiences using Synchromesh. The same can be said for owners of the Mitsubishi 3000GT and Dodge Stealth cars with the Getrag-manufactured AWD transaxles. The main benefit to DSM and 3/S owners seems to be excellent synchronizer performance, with reduced grinding and easier shifting compared to using some other gear oils.

Pennzoil Synchromesh Fluid can be purchased as that brand or as the equivalent products: Quaker State Synchromesh (Quaker State is part of Pennzoil), Texaco Synchromesh, GM Synchromesh, or AC Delco Synchromesh (part number 89021808). GM Synchromesh retails for about $10 per quart bottle at GM dealerships. Pennzoil Synchromesh is sold at many Auto Zone auto parts stores for about $5 per quart and should be available from Pennzoil distributors. Texaco Express Lube stores use Synchromesh but the stores I contacted would not sell the product by itself to customers. Pennzoil Synchromesh can be purchased in 5-gallon containers from oil-store.com.
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post #44 of 69 (permalink) Old 12-29-2006, 08:31 PM
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Quoted from Redline's site:

MT-90 (for the tranny):

Popular in Nissan, Toyota and Mazda manual transmissions and transaxles as well as other selected applications, this is a 75W90 GL-4 Gear Oil that’s slightly heavier than MTL. Provides excellent protection of gears and synchronizers and its balanced slipperiness provides a perfect coefficient of friction, allowing easier shifting.

http://www.redlineoil.com/products_gearlub...mp;categoryID=7

And for the diff:

75W90

Our most popular gear oil, this is the preferred product in nearly all car and light truck differentials, both conventional and limited-slip. 75W90 is preferred for most racing applications. It contains friction modifier which is recommended for limited-slip units. 75W90 Gear Oil can be used in many transmissions and transaxles; however, other Red Line lubricants have better frictional properties for rapid synchronization. Exceeds API GL-5.


I still don't see why people are mixing the fluids of MT90 and MTL.

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post #45 of 69 (permalink) Old 01-10-2007, 03:18 PM
 
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Quote:
Quoted from Redline's site:

MT-90 (for the tranny):

Popular in Nissan, Toyota and Mazda manual transmissions and transaxles as well as other selected applications, this is a 75W90 GL-4 Gear Oil that’s slightly heavier than MTL. Provides excellent protection of gears and synchronizers and its balanced slipperiness provides a perfect coefficient of friction, allowing easier shifting.

http://www.redlineoil.com/products_gearlub...mp;categoryID=7

And for the diff:

75W90

Our most popular gear oil, this is the preferred product in nearly all car and light truck differentials, both conventional and limited-slip. 75W90 is preferred for most racing applications. It contains friction modifier which is recommended for limited-slip units. 75W90 Gear Oil can be used in many transmissions and transaxles; however, other Red Line lubricants have better frictional properties for rapid synchronization. Exceeds API GL-5.


I still don't see why people are mixing the fluids of MT90 and MTL.
Smooth, I am with you on this question. I read through all the tutorial on changing the transmission fluid but I still dont understand why we are supoose to mix the quarts. I am going to change mine within the next two weeks and before I order the redline fluid could someone please explain why we have to mix the MT90 with the MTL. Any help is appreciated. Also, in the tutorial it says to fill the transmission up through the fill plug until it starts to leak out of this plug. Do you let it keep leaking out until it stops or do you just go ahead and put the fill plug back in?
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post #46 of 69 (permalink) Old 05-20-2007, 11:50 PM
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Sort of an old thread, my apologies. I am at the 30k service within the next week or two and undecided on RP or RL.

Quote:
I've heard that the RP oils make the shifting smoother and is lighter than regular oils. This may account for the perceived quicker response from the car. Either way, it sounds like anything is better than the OEM stuff.
Yep, I think I'll be getting that for the tranny and gear box. I'm up for my 30k service soon.
What brand did you end up going with for the tranny and diff, and how is it working out? Did you go Royal Purple for the crank?

Quote:
Quoted from Redline's site:

MT-90 (for the tranny):

Popular in Nissan, Toyota and Mazda manual transmissions and transaxles as well as other selected applications, this is a 75W90 GL-4 Gear Oil that’s slightly heavier than MTL. Provides excellent protection of gears and synchronizers and its balanced slipperiness provides a perfect coefficient of friction, allowing easier shifting.

http://www.redlineoil.com/products_gearlub...mp;categoryID=7

And for the diff:

75W90

Our most popular gear oil, this is the preferred product in nearly all car and light truck differentials, both conventional and limited-slip. 75W90 is preferred for most racing applications. It contains friction modifier which is recommended for limited-slip units. 75W90 Gear Oil can be used in many transmissions and transaxles; however, other Red Line lubricants have better frictional properties for rapid synchronization. Exceeds API GL-5.


I still don't see why people are mixing the fluids of MT90 and MTL.

Quote:
Smooth, I am with you on this question. I read through all the tutorial on changing the transmission fluid but I still dont understand why we are supoose to mix the quarts. I am going to change mine within the next two weeks and before I order the redline fluid could someone please explain why we have to mix the MT90 with the MTL. Any help is appreciated. Also, in the tutorial it says to fill the transmission up through the fill plug until it starts to leak out of this plug. Do you let it keep leaking out until it stops or do you just go ahead and put the fill plug back in?
Do we know why the 50/50 mix?

I am looking at Royal Purple for the crank. Although I am still undecided on Redline or Royal Purple for the tranny and rear end. If anyone is using this combo(s), please let me know of any differences from the two.
I am looking for comparisons on this setup:

Crank = RPurple
Tranny & Diff = RLine
or
Crank = RPurple
Tranny & Diff = RPurple

Thanks in advance!
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post #47 of 69 (permalink) Old 05-24-2007, 07:26 PM
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Curtis, I ended up using Redline fluids at my 30k service. I haven't noticed a huge difference if at all, but my peace of mind is what counts. I would recommend either RP or RL.

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post #48 of 69 (permalink) Old 05-25-2007, 02:13 AM
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Curtis, I ended up using Redline fluids at my 30k service. I haven't noticed a huge difference if at all, but my peace of mind is what counts. I would recommend either RP or RL.
Thanks Dave, now if I can just find it?
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post #49 of 69 (permalink) Old 05-25-2007, 02:44 AM
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Found these links from other threads.

Redline
http://www.myoilshop.com/

Royal Purple dealer locator
http://www.royalpurple.com/dealers/dealers.html

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post #50 of 69 (permalink) Old 05-28-2007, 11:51 PM
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Update: regarding the 50/50 mix on Redline Tranny. I read a post by Robert_K, and the reason for the mix is Nissan calls for a unusual weight of 75w-85. Therefore by mixiing the MT90 75w-90 with the MTL 70w-80 is how you reach the 75w-85. Makes sense.

From another thread:
Quote:
That is the first thing I did to my used '03 when I purchased it. Just don't know how well it was maintained from the prevous owner(s). I have been running Royal Purple 10W30 in the motor as well as in the rear diff (75W90). If you search around the Tech Guide you will find a lot of great info!!! As far as the tranny; the Z uses a GL4 fluid and not a GL5. GL5 is what most Tranny fluids are. Also it has an odd weight to it. Doing the 50/50 Redline mix give you the GL4 rating and the right weight. Click this link for more info: https://www.350z-tech.com/zwiki/Manual_Tran...uid_Replacement
btw: Nissan also states you can use in hot climates 75w-90. Therefore no need to mix, just get the MT90.

I ended up going with:

Engine - Royal Purple 10w-30
Tranny - Red Line MT90 75w-90 & MTL 70w-80 with the 50/50 mix procedure.
Diff - Royal Purple Max Gear 75w-90

Will be replacing the fluids next weekend.
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