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Best oil currently for synchro transmission?

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Old Jun 26, 2011 | 03:16 PM
  #1  
Boosted_01 R's Avatar
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Default Best oil currently for synchro transmission?

Wondering what everyone is running for 2011. Running a JDM ITR tranny currently, shifting at 9300 RPM, will bump it to 10,000 RPM next year.

Motul

Royal Purple

Honda

Redline

ETC

Whatever you guys running would like to know, past experiences, etc

Thanks
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Old Jun 26, 2011 | 03:34 PM
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Default Re: Best oil currently for synchro transmission?

Understand, you want a oil that will be able to hold to the gears, and get carried up to the top of the tranny. I don't recommend anything synthetic, because it is too "slippery."

You'll notice a lot of tranny oils are of a heavier form. I tend to use regular 10w-30 Valvoline oil in trannys and they shift like butter and what not, I've started making my own mixture of fluid and its worked fairly well. FWIW.
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Old Jun 26, 2011 | 03:58 PM
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Boosted_01 R's Avatar
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Default Re: Best oil currently for synchro transmission?

Originally Posted by ALL M0T0R
Understand, you want a oil that will be able to hold to the gears, and get carried up to the top of the tranny. I don't recommend anything synthetic, because it is too "slippery."

You'll notice a lot of tranny oils are of a heavier form. I tend to use regular 10w-30 Valvoline oil in trannys and they shift like butter and what not, I've started making my own mixture of fluid and its worked fairly well. FWIW.
........ that 10w30 is regular engine oil or gear oil ?
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Old Jun 26, 2011 | 04:07 PM
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Default Re: Best oil currently for synchro transmission?

our team runs castrol 20/50 in the tranny's..........when we remember or should i say when i remember. i found out the hard way that even if you think you put it in after an all nighter, check that **** again, and then check it again after that. Tranny's seem to run better when they actually have oil in them. but we run 20/50 fwiw.
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Old Jun 26, 2011 | 04:46 PM
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Default Re: Best oil currently for synchro transmission?

Originally Posted by Boosted_01 R
........ that 10w30 is regular engine oil or gear oil ?
regular engine oil.
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Old Jun 26, 2011 | 06:54 PM
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Default Re: Best oil currently for synchro transmission?

Originally Posted by ALL M0T0R
regular engine oil.

thats what they take stock...that or Honda MTF
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Old Jun 26, 2011 | 07:50 PM
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Default Re: Best oil currently for synchro transmission?

I still run Honda MTF.
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Old Jun 26, 2011 | 09:53 PM
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Default Re: Best oil currently for synchro transmission?

half Honda and half syncromax
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Old Jun 27, 2011 | 04:14 AM
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Default Re: Best oil currently for synchro transmission?

i have ran royal purple synchromech and i just recently pulled my case off to install my cuff, and the gears are still brand new looking as well as very very little shavings on the magnet
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Old Jun 27, 2011 | 04:25 AM
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Default Re: Best oil currently for synchro transmission?

We all use reg mtf
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Old Jun 27, 2011 | 05:16 AM
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Default Re: Best oil currently for synchro transmission?

syncrotech recommended to run the torco mtf with there carbon lined syncro's.
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Old Jun 27, 2011 | 05:35 AM
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Default Re: Best oil currently for synchro transmission?

Torco MTF or Redline MTL.

https://honda-tech.com/forums/showth...&highlight=oil
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Old Jun 27, 2011 | 12:47 PM
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Default Re: Best oil currently for synchro transmission?

good input guys, decisions decisions
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Old Jun 27, 2011 | 01:40 PM
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Default Re: Best oil currently for synchro transmission?

honda mtf
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Old Jun 27, 2011 | 04:15 PM
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Default Re: Best oil currently for synchro transmission?

Redline. For a scyncro trans
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Old Jun 27, 2011 | 07:07 PM
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Default Re: Best oil currently for synchro transmission?

redline lightweight shock proof!
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Old Jun 27, 2011 | 08:04 PM
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Default Re: Best oil currently for synchro transmission?

Dave at syncrotech said to run rtf. I'm running rtf
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Old Jun 27, 2011 | 08:06 PM
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Default Re: Best oil currently for synchro transmission?

https://honda-tech.com/forums/transmission-drivetrain-127/end-all-trans-fluid-thread-2925749/
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Old Jun 27, 2011 | 08:42 PM
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Default Re: Best oil currently for synchro transmission?

Honda MTF or Torco MTF/RTF in our shop.
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Old Jun 27, 2011 | 08:56 PM
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Boosted_01 R's Avatar
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Default Re: Best oil currently for synchro transmission?

was reading the other tread by MR. ........... Torco MTF for daily and RTF for High powered cars. Maybe i missed this but why not RTF for both daily and High performance..... This makes me think the RTF makes the tranny wear faster? Any truth to this ?
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Old Jun 27, 2011 | 09:44 PM
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Default Re: Best oil currently for synchro transmission?

You can run RTF in daily driving applications. Its just double the price. The tranny does not wear faster.
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Old Jun 27, 2011 | 10:27 PM
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Default Re: Best oil currently for synchro transmission?

Ive been using GM syncromesh for years. ran it in my Stock LS tranny in my car making 700+whp and shifting at 10k. Shifting like a brand new tranny. Put it in a ton of customers cars with never any ill effects. Wanna try the Torco MTF though.
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Old Jun 28, 2011 | 10:52 AM
  #23  
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Default Re: Best oil currently for synchro transmission?

Good info guys, now i just gotta find a place in Ontario that sells Torco RTF
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Old Jun 28, 2011 | 01:33 PM
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Default Re: Best oil currently for synchro transmission?

Bumper to bumper is the cheapest place I have found.
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