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General Forums => The Mess Hall => Topic started by: RT on September 07, 2010, 05:29:45 PM

Title: Syncromesh vs. Mt-90 for AX5
Post by: RT on September 07, 2010, 05:29:45 PM
Which one of these gear oils protects your tranny better?
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: jfrabat on September 07, 2010, 06:37:46 PM
Which one of these gear oils protects your tranny better?

I have not run Synchromesh, but MT90 is great; it made my tranny smoother.
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: FourbangerYJ on September 07, 2010, 07:38:24 PM
I have not run Synchromesh, but MT90 is great; it made my tranny smoother.

Me too.
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: Bounty Hunter on September 07, 2010, 09:03:11 PM
Is synchromesh a synthetic like the MT90?
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: chrisfranklin on September 07, 2010, 09:08:11 PM
Mt-90 is what I'm using and it's good. 
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: dwtaylorpdx on September 07, 2010, 09:30:08 PM
Guess I'm the odd man out, but my tranny was rebuilt to use lighter weight lube,
the stock bearings are shrouded and if the lube is too thick it wont get in the
bearings like its supposed to. (Yet another Mopar spec against what Aisin recomended....)

I've been running 20W50 Synthetic oil. Or The actual AX5 lube from the dealer.

The real test would be a temperature probe and some freeway miles... HMM>

Dave
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: neale_rs on September 08, 2010, 07:35:26 AM
I've been using Pennzoil Synchromesh for about 4 years now  (only about 5000 miles) and it has worked well.  I don't think it is synthetic and it was available locally.
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: RT on September 08, 2010, 10:20:31 AM
kk I just ordered some, shits expensive!! :fitz: but less expensive than a tranny i guess.
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: aka-justin on September 08, 2010, 11:48:19 PM
I'm running mobil's synthetic gear oil in my AX-5, Mobil 1 Synthetic Gear Lube
LS 75W-90, seems ok, but not real happy with my shifting.  Seems to have gotten tougher.  First chance I'm switching to some standard gear oil or MT-90.
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: Bounty Hunter on September 09, 2010, 06:30:03 AM
I'm running mobil's synthetic gear oil in my AX-5, Mobil 1 Synthetic Gear Lube
LS 75W-90, seems ok, but not real happy with my shifting.  Seems to have gotten tougher.  First chance I'm switching to some standard gear oil or MT-90.
Mobil is likely GL5 and will ruin your synchros, causing notchy shifting before it gets real bad.  Change it to synchromesh or MT90 soon.  MT90 is best, being a full synthetic it can really improve the shifting, especially when cold.
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: jfrabat on September 09, 2010, 08:53:59 AM
MT90 is best, being a full synthetic it can really improve the shifting, especially when cold.

I'll second this; I had strong doubts when I bought it (was thinking along the lines of "snake oil"), but mine shifts real nice now.
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: FourbangerYJ on September 09, 2010, 09:28:02 AM
I'm running mobil's synthetic gear oil in my AX-5, Mobil 1 Synthetic Gear Lube
LS 75W-90, seems ok, but not real happy with my shifting.  Seems to have gotten tougher.  First chance I'm switching to some standard gear oil or MT-90.

I ran M1 for about 10K miles. I changed it out and was very surprised to see how much shiney yellow syncro material came out with it. M1 is a GL5 lube. That's bad MMkay. Standard gear oil is GL5, that's bad MMkay. Syncromesh or Redline MT90 or one of the other oils listed in the FAQ page is what you need. (GL3) rated.
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: RT on September 09, 2010, 06:20:37 PM
Sweet, whatever works man, will I feel any difference in acceleration or overall peppyness. :weee:..seeing as how I'm lessing the friction lag on my engine
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: FourbangerYJ on September 09, 2010, 06:40:23 PM
Sweet, whatever works man, will I feel any difference in acceleration or overall peppyness. :weee:..seeing as how I'm lessing the friction lag on my engine

I didn't. But now I need only a few hours of sleep each night and my vision is much better  :wall:  :eek:
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: RT on September 09, 2010, 07:32:07 PM
I didn't. But now I need only a few hours of sleep each night and my vision is much better  :wall:  :eek:
:bandit:
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: RT on September 09, 2010, 07:32:29 PM
I'd kinda like jeffy to take a shot at this too
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: RT on September 15, 2010, 01:25:04 PM
just loaded it in, that mechanic that said my oil was ok is a joke, it was dark brown (smelled like gl5) and had itty bitty little specks in it mixed with pulverized steel.. :wall:
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: neale_rs on September 15, 2010, 01:30:10 PM
How is it working now?
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: Jeffy on September 15, 2010, 02:11:27 PM
I'd kinda like jeffy to take a shot at this too
It's been covered here: http://4bangerjp.com/forums/index.php/topic,422.0.html
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: RT on September 15, 2010, 07:37:00 PM
It's working much better especially with shifting and smoothness of operation, it's still making noise but considering it threw chunks that's to be expected..
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: czjeeper on September 20, 2010, 09:03:45 PM
I run Amsoil Severe Gear
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: Complete Loser on September 28, 2010, 12:28:34 AM
It's been covered here: http://4bangerjp.com/forums/index.php/topic,422.0.html

Thats definitely worth repeating!
 Amsol is AMAZING stuff. After following Jeffys link a while back, and reading the tech reports. Then going deeper down the rabbit hole, and reading all the other tech/lab reports, then watching the videos, and then trying it my vehicles, well.... long story short, im a dealer now.

I have ordered the Severe Gear for my AX5. Havent put it in yet.

Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: RT on October 02, 2010, 03:38:25 PM
what about atf? mine's burnt black and has the consistency of water, anybody got any favorites
Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: Complete Loser on October 02, 2010, 05:02:47 PM
I have not used, but heard good things about Amsoil atf.
http://www.youtube.com/watch?v=Ayq6a0E6klg    fast forward to 3:30

Title: Re: Syncromesh vs. Mt-90 for AX5
Post by: RT on October 04, 2010, 10:27:16 AM
would bad/low atf cause noise?