Best gear oil?

2.5mazda · Post by **2.5mazda** » May 12th, 2006, 9:59 pm

I am wondering about using penzoil synchro mesh, but have heard different kinds also work well. Is there anything I should stay away from completely? Let me know what you run, I have a GS tranny, if that makes a difference in your choices.
thanks for the help!

JWMX3 · Post by **JWMX3** » May 12th, 2006, 10:07 pm

I use redline mt-90 gl4

cant go wrong with royal purple or gm synchromesh either

but the GM stuff is the cheapest of the 3

solo_ryder · Post by **solo_ryder** » May 12th, 2006, 10:21 pm

I am using Royal purple ATF and it works pretty good, but it is abit htin for my liking.

Grants · Post by **Grants** » May 13th, 2006, 9:03 am

Get the Redline Shockproof. From experience, it blows away the MT-90.

solo_ryder · Post by **solo_ryder** » May 13th, 2006, 10:16 pm

Grants wrote:Get the Redline Shockproof. From experience, it blows away the MT-90.

Is that a gear oil or a ATF?

2.5mazda · Post by **2.5mazda** » May 13th, 2006, 10:28 pm

I was thinking ATF also...

mxmaz · Post by **mxmaz** » May 13th, 2006, 11:38 pm

gm syncromesh ftw!!

lakersfan1 · Post by **lakersfan1** » May 14th, 2006, 11:07 am

I presume there are NAPA's in Iowa? Go get some Royal Purple. 2 qts Synchromax and 1 qt Max Gear. That should do ya'.

Grants · Post by **Grants** » May 16th, 2006, 8:42 am

solo_ryder wrote:
Grants wrote:Get the Redline Shockproof. From experience, it blows away the MT-90.
Is that a gear oil or a ATF?

Its gear oil, NOT ATF

Post by **Custommx3** » May 16th, 2006, 9:49 am

You cant go wrong with Royal purple or Redline, GEAR OIL

torpedan · Post by **torpedan** » May 16th, 2006, 4:25 pm

Grants wrote:
solo_ryder wrote:
Grants wrote:Get the Redline Shockproof. From experience, it blows away the MT-90.
Is that a gear oil or a ATF?
Its gear oil, NOT ATF

You can run ATF as a lubricant in your trasmission either works. Hell check the OEM spec manuals many mazdas come with it in a MTX from the facotry.

I ran penzoil Syncromesh worked like a dream.

lakersfan1 · Post by **lakersfan1** » May 16th, 2006, 4:37 pm

I think I have a 1/2 quart of Mercon ATF in my gearbox right now. It is specified in the manual for colder climates.

Grants · Post by **Grants** » May 16th, 2006, 8:12 pm

torpedan wrote:
Grants wrote:
solo_ryder wrote: Is that a gear oil or a ATF?
Its gear oil, NOT ATF
You can run ATF as a lubricant in your trasmission either works. Hell check the OEM spec manuals many mazdas come with it in a MTX from the facotry.

I ran penzoil Syncromesh worked like a dream.

Yes I know you can run ATF in the TX, but what I'm saying is that Redline Shockproof is NOT an ATF.
http://www.redlineoil.com/products_gear ... &prodID=61

mx3autozam · Post by **mx3autozam** » May 16th, 2006, 10:18 pm

http://www.royalpurple.com/prodsa/mgeara.html

mx3autozam · Post by **mx3autozam** » May 16th, 2006, 10:19 pm

http://www.royalpurple.com/prodsa/mgeara.html