****Tech Article-Change your Getrag 6 Speed Fluid to Royal Purple Synchromax.

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Thread: ****Tech Article-Change your Getrag 6 Speed Fluid to Royal Purple Synchromax.

  1. #1
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    ****Tech Article-Change your Getrag 6 Speed Fluid to Royal Purple Synchromax.

    There is a lot of talk on Supraforums about using any other oil in the 6 Speed other than Toyota. A lot of people are switching over to Royal Purple Synchromax, and I decided to make that switch as well.

    I feel I must post this after the replies, Toyota recommends V160 only in their transmission. It's a risk you have to take to experience better shifts if you would like to try the Synchromax.

    Here is a picture of the RP Synchromax. You will need three quarts which will run you about 7 dollars per quart. Toyota V160 is THIRTY FIVE DOLLARS a quart.



    Remove the bottom bolt from the Getrag 6 Speed transmission, you can see the bolt here, but remove the top bolt FIRST so the transmission can actually breathe and the oil will flow better..



    Let all the fluid drain completely out of the transmission, and then replace the bottom bolt and use TEFLON on the threads to prevent any future leaks. Using a hand pump, pump about 2.25 quarts of Synchromax into the transmission through the top bolt. When it is full, it will overflow. Replace the top bolt and you are done. People say smoother shifts are on the way!


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    SupraForums Member flash_e_gt's Avatar
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    Seriously?????
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  4. #3
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    Quote Originally Posted by flash_e_gt
    Seriously?????
    What do you mean by "seriously"? Do you think it was a joke? Do you think I spent time doing this for nothing?
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    SupraForums Member flash_e_gt's Avatar
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    No...just seriously because
    1. There are allready a couple of threads on changing tranny fluid...
    2. Why (other than because it's expensive) would you not just put V160 in?
    and yes, I know there are a ton of threads saying it's ok and doesn't swell the syncros or seals, but why chance it....other than because the fluid is expensive....


    So if you are going to say - "because it's expensive..." then I get it.
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    SupraForums Member mkivbren's Avatar
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    Brad... I see you're a gambling man... Hope the royal purple holds it together for ya.
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  8. #6
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    To address all these issues:

    1) I could care less how many other articles there are on the subject. If you don't like it don't read it.

    2) A BUNCH of people have switched to Synchromax, I don't think it's a gamble at all, and it's not because of the price, all these people are getting smoother shifts. Just because technology of 1994 said use "xxxx" oil doesn't mean we still have to use it. That doesn't make any sense.

    3) The price has nothing to do with it, this is a 40,000 dollar vehicle.

    I would ask you to please keep these kinds of posts out of a tech article, this isn't a discussion on how you feel about me writing the article or whether this is right for everyones vehicles.

    ****EDITED FIRST POST TO INCLUDE DISCLAIMER.
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  9. #7
    SF Contributing Member Northstar's Avatar
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    Awesome Brad


    -Ryan
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    HIGH ON PSI NYC 93-2JZGTE's Avatar
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    I have used RP synchromax with no ill effects. it actually seems to make the gearbox a lot smoother and crisper, although that could have just been my tranny fluid getting old.
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    1400rwhp/8 Sec Club SteelCitySupra's Avatar
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    Royal Purple should work fine. Now you need a Tech Article on how to clean your undercarriage!!!
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  12. #10
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    Agreed RP will do just fine! ON a side note, My tranny never takes more than 2 quarts... in fact it takes a hair under two.
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    Supra Owner Since 1996 Hands On's Avatar
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    Have read all the previous articles and will be switching to RP. May have saved my last two Getrags had I switched. Thanks for the articles, or did Cristy Brickley write them?
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    Retired Super-Mod quick's Avatar
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    I'm going to write a tech article on changing blinker fluid and another on filling tires with "air".

    Sorry man -- I had to give you a hard time... changing fluid ain't hard at all.
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    Big Member Boon's Avatar
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    im confused on how to change blinker fluid?
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  16. #14
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    Quote Originally Posted by SteelCitySupra
    Royal Purple should work fine. Now you need a Tech Article on how to clean your undercarriage!!!
    My undercarriage is clean, that black stuff is anti-corrosion. It was coated by a detailing company. The car looks brand new underneath.
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  17. #15
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    Quote Originally Posted by quick
    I'm going to write a tech article on changing blinker fluid and another on filling tires with "air".

    Sorry man -- I had to give you a hard time... changing fluid ain't hard at all.
    Wow funny.

    The point of the article is about the ROYAL PURPLE SYNCHROMAX.

    I swear I'm like 2 seconds from never posting here again.
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  18. #16
    ur moms favourite gmacrae's Avatar
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    Quote Originally Posted by quick
    I'm going to write a tech article on changing blinker fluid and another on filling tires with "air".

    Sorry man -- I had to give you a hard time... changing fluid ain't hard at all.
    If you could also include a tech article on replacing wiper blades, that'd be great.
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    I rock like CRACK SSSUPRA's Avatar
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    As long as it doesn't contribute to any seal swelling I'm game for a change. Thanks for taking the time to write this up Brad.
    07 VY Z06.
    Quote Originally Posted by HLY_SHFT View Post
    I like to call it "The OT". It's kind of like the OC, but we're better looking.
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    EchoDeDupra Supradedupra's Avatar
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    Hmmm... about a year ago, I had my tranny swapped out for a freshly rebuiilt one. Car has been driving awesome! Well... a few months down the road, I jacked up the car and found a sticker underneath the tranny "ATF only".

    What should i do ?
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  21. #19
    SupraForums Member HmoobSUPRA's Avatar
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    A lot of owner's DO NOT know how to change the fluid...so it's definitely a good write up as a reference. However, even though I think it may just be a Toyota scam to get us using their expensive V160...I would just stick with the old V160 stuff. Keep us posted on the fluid.
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  22. #20
    Retired Super-Mod quick's Avatar
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    Quote Originally Posted by braddman
    The point of the article is about the ROYAL PURPLE SYNCHROMAX.
    If that's the case why didn't you offer any significant technical analysis of the two oils? From what I can see this is just a post about you changing the oil... *shrug*

    I was just giving you a hard time, dude. Please don't take it personally.
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  23. #21
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    The Royal purple has less viscosity change cold/hot.
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  24. #22
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    Been using it for about 6k miles now. No problems.
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  25. #23
    Wholesome creamy goodness Supraman16's Avatar
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    Been using RP in my tranny and diff for about a year and it's still holding up pretty nicely, if not better than the Toyota fluid. After I switched to RP, there was a definate improvement in the smoothness of the shifts and I have yet to experience the clunkiness of cold tranny shifts in the mornings. Plus before I switched to RP, I read over here on the forums from very well respected Supra Owners about their own experiences with RP before diving in and switching over...Darshana S...
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  26. #24
    SupraForums Member HmoobSUPRA's Avatar
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    Quote Originally Posted by greensoup
    The Royal purple has less viscosity change cold/hot.
    Which in theory = better fluid.
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  27. #25
    900 BHP Club :)
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    nice wheels, and I think I'll try the Syncromax


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