Steroids for 2014 wrx tranny
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This is a discussion on Steroids for 2014 wrx tranny within the Transmission & AWD forums, part of the Tech & Modifying & General Repairs category; How can you make the 5mt stronger on a 2014 wrx? I've heard about PPG Gears and so forth, but ...

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    Steroids for 2014 wrx tranny

    How can you make the 5mt stronger on a 2014 wrx? I've heard about PPG Gears and so forth, but I'm not sure I know what I'm looking for. Basically, I'd like the tranny to 'seem' stock, (ratios, etc.) but be capable of 500+ whp/ft-lbtq. Or should I just swap for the STI 6mt? If I went with PPG (or whomever) what all would I need? And by the way, tranny and driveline stuff is a little outside my area of expertise so all input is appreciated!

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    He simply abides. SD_GR's Avatar
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    Quote Originally Posted by Me6er View Post
    Or should I just swap for the STI 6mt?
    There is no such thing as just swapping. Since your car is newer, the swap won't cost more than the car but it could cost roughly 1/4 the price of the car (I'm estimating and I may be off because your model tends to be expensive and holds value well so far).

    PPG are a private firm in AU. Their website has info on their products:
    WRX 5 Speed Product Range - Pfitzner Performance Gearbox

    Luckily, you don't have a motor that produces 500+ whp so there's time to consider all these things. Also, there's info in the link in my signature too. One link from there is this one:
    Transmission FAQ: Read if you are thinking of upgrading! - NASIOC

    In general my choices would be:
    1. Do nothing.
    2. Produce less torque than what'll break the gearbox.
    3. Break the gearbox, fix, and try not to repeat.
    4. Swap cars.
    5. Swap drivelines.
    6. Swap gears.

    In that order. That's just me.
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    Very helpful. I have some homework to do.

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    zax
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    Like SD alluded, why exactly do you need a transmission that is capable of 500whp?

    Your motor will be toast long before this point. It seems that you will be spending around $6-8k unnecessarily.
    2015 CWP WRX STi ... But how did I get roped back into an EJ motor?!
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    Registered User wreckingball man's Avatar
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    I'm becoming a big fan of number one lately.

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    Quote Originally Posted by wreckingball man View Post
    I'm becoming a big fan of number one lately.

    #1 would have done me a lot of good six years ago..

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    7. Swap fluids.

    Not that it does a ton of good, but you kinda feel like you are doing something.

    Next week, my 50/50 Subie Fluid/Amsoil 75W-110 goes in. Tempted to just go 100% 75W-110 like the rear diffy.
    Last edited by Oilypablo; 04-17-2014 at 07:40 AM. Reason: % sign added

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    The motor will be built BTW. This would be my show/track/drag car.
    I just wasn't sure where the 5mt and/or 6mt's limitations are.

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    Subaru Newb MainFrame's Avatar
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    Quote Originally Posted by Me6er View Post
    The motor will be built BTW. This would be my show/track/drag car.
    I just wasn't sure where the 5mt and/or 6mt's limitations are.


    If cost is not a concern, I would have Andrewtech build you a six speed with the "high speed" gearset found here: RalliSpec 6MT Long Ratio Kit. 1-4 will be the same ratios you would find in an 07+ STi transmission, with 5th and 6th being a little longer. I would also spring for PPGs billet shift forks to go in it.

    To me, that's the best all around option. The six speed should handle over 500whp.. unless you're wanting all out race car, the syncroed six speed gear set will be good for daily driving as well as handle quite a bit of abuse on the track.

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    Quote Originally Posted by MainFrame View Post
    If cost is not a concern, I would have Andrewtech build you a six speed with the "high speed" gearset found here: RalliSpec 6MT Long Ratio Kit. 1-4 will be the same ratios you would find in an 07+ STi transmission, with 5th and 6th being a little longer. I would also spring for PPGs billet shift forks to go in it.
    I think I just got a b*ner.

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    Me too, thanx for the info everyone.

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    Quote Originally Posted by Oilypablo View Post
    I think I just got a b*ner.

    Have the gear set cryo treated and micro polished, add in a Quife front diff, R180 rear, with DSS CF drive shaft, DSS axles, and a DCCD controller.. you will have one hell of a drive train.

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    My I suggest that you simply sell the 2014 WRX and purchase a 2014 STi?
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    Subaru Newb MainFrame's Avatar
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    Quote Originally Posted by zax View Post
    My I suggest that you simply sell the 2014 WRX and purchase a 2014 STi?

    too easy

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