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Old 10-05-2012, 08:49 AM   #1
WRXJunky
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Default What do you think the weak parts are on the 2012 WRX?

Just curious from peoples opinion: What do you think the weak points are on the 2012 WRX? Such as the tranny mounts... Or transmissions... Or suspensions...etc? What do you feel are the weak points of the vehicle.
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Old 10-05-2012, 08:56 AM   #2
s2ktosti
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Not to be a jerk, but this exact same question was asked and answered 2 weeks ago. Please do a search and you'll find your info. Also The stickies at the top of this forum and the newbie section contain a lot of this information as well.

Search is your friend here, it'll help you avoid a lot of nasty flame posties.
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Old 10-05-2012, 08:59 AM   #3
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Quote:
Originally Posted by WRXJunky View Post
Just curious from peoples opinion: What do you think the weak points are on the 2012 WRX? Such as the tranny mounts... Or transmissions... Or suspensions...etc? What do you feel are the weak points of the vehicle.
The only weak points of a stock WRX are:
1) throttle body to TMIC hose - the rubber gaskets and worm clamps are to blame for this mainly
2) Shifter bushings - they're squishy as hell
3) The ECU map itself - a TP stage 1 map is safer, gives a bit of power, and can add more mpg

Once you start going stage 2 or higher:
1) Engine mounts - your engine will look like it wants to jump out from under the hood without them
2) Tranny mount - you may hear your tranny knocking about when shifting at higher RPMs
3) Transmission - look up "glass tranny" and you'll see what I mean
4) Pitch stop - yet another part that holds the engine in place
5) Tires, suspension, etc etc...
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Old 10-05-2012, 09:01 AM   #4
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Quote:
Originally Posted by s2ktosti View Post
Not to be a jerk, but this exact same question was asked and answered 2 weeks ago. Please do a search and you'll find your info. Also The stickies at the top of this forum and the newbie section contain a lot of this information as well.

Search is your friend here, it'll help you avoid a lot of nasty flame posties.
I have already read through the newbie threads, and newbie section. This is more-so based on personal opinion and not factual information that certain aspects of the vehicle should be upgraded, or should be replaced. I want opinions from the members on what they have experienced with their car and what they think should be upgraded.

But, I didn't know this exact question was already asked, so if that's so; my apologies.
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Old 10-05-2012, 09:10 AM   #5
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Quote:
Originally Posted by WRXJunky View Post
I have already read through the newbie threads, and newbie section. This is more-so based on personal opinion and not factual information that certain aspects of the vehicle should be upgraded, or should be replaced. I want opinions from the members on what they have experienced with their car and what they think should be upgraded.

But, I didn't know this exact question was already asked, so if that's so; my apologies.
I'm always a fan of seeing documented examples of things like this.
For instance:

If the engine looks like it's going to jump out of the bay, maybe someone could take a video of this before and after upgrading the engine mounts and pitch stops so we can see what you are talking about, and see if it's not an exaggeration.
Also, perhaps some data showing exactly why the stock tune is "bad" and an aftermarket tune is better. This could really be a good selling tool for tuners also, if there is truth behind it.
Assembling information like this in a way that it doesn't sound like an opinion could benefit everyone, although it is more work than simply saying that "so-and-so heard from his friend that his tuner said that this is bad and you need to buy this part, oh and here we have them on sale right behind you..." ...which I think is often the case. This can lead people to be even more doubtful and distrusting of those who are supposed to be experts or vendors, and then people ask even more questions.
Some well put-together data or a write-up could really minimize a lot of the repeated questions.
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Old 10-05-2012, 09:16 AM   #6
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Quote:
Originally Posted by lastsnare View Post
I'm always a fan of seeing documented examples of things like this.
For instance:

If the engine looks like it's going to jump out of the bay, maybe someone could take a video of this before and after upgrading the engine mounts and pitch stops so we can see what you are talking about, and see if it's not an exaggeration.
Also, perhaps some data showing exactly why the stock tune is "bad" and an aftermarket tune is better. This could really be a good selling tool for tuners also, if there is truth behind it.
Assembling information like this in a way that it doesn't sound like an opinion could benefit everyone, although it is more work than simply saying that "so-and-so heard from his friend that his tuner said that this is bad and you need to buy this part, oh and here we have them on sale right behind you..." ...which I think is often the case. This can lead people to be even more doubtful and distrusting of those who are supposed to be experts or vendors, and then people ask even more questions.
Some well put-together data or a write-up could really minimize a lot of the repeated questions.
Although I agree with you about recording visible results, it still doesn't give the same effect as checking it out in person. Most of the benefits I noticed were while driving and shifting after I installed the mounts/pitch stop. Maybe I'll record my engine this weekend with the aftermarket mounts and then record it again with stock, just for the lulz
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Old 10-05-2012, 09:26 AM   #7
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Quote:
Originally Posted by lastsnare View Post
I'm always a fan of seeing documented examples of things like this.
For instance:

If the engine looks like it's going to jump out of the bay, maybe someone could take a video of this before and after upgrading the engine mounts and pitch stops so we can see what you are talking about, and see if it's not an exaggeration.
Also, perhaps some data showing exactly why the stock tune is "bad" and an aftermarket tune is better. This could really be a good selling tool for tuners also, if there is truth behind it.
Assembling information like this in a way that it doesn't sound like an opinion could benefit everyone, although it is more work than simply saying that "so-and-so heard from his friend that his tuner said that this is bad and you need to buy this part, oh and here we have them on sale right behind you..." ...which I think is often the case. This can lead people to be even more doubtful and distrusting of those who are supposed to be experts or vendors, and then people ask even more questions.
Some well put-together data or a write-up could really minimize a lot of the repeated questions.
I don't know about the motor mounts, but it's pretty well documented on the tune for 09+ wrx and sti's. There are several dyno and logs showing that when the car makes the transition from open to closed loop, the car runs dangerously lean. Subaru did this to meet emissions standards

The 09+ (possibly 08 as well don't remember) have a much better transmission. It's not even close to STI level, but it's a heck of lot better than previous years. Long story short, they stuck the legacy's 5 speed in and ditched the old one.

History has taught us that people tend to ignore the sticky's and keep posting the same questions.

There you have it.

Oh and the stock headunit (aka radio) sucks the big one.
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Old 10-05-2012, 09:29 AM   #8
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Quote:
Originally Posted by lastsnare View Post
I'm always a fan of seeing documented examples of things like this.
For instance:

If the engine looks like it's going to jump out of the bay, maybe someone could take a video of this before and after upgrading the engine mounts and pitch stops so we can see what you are talking about, and see if it's not an exaggeration.
Also, perhaps some data showing exactly why the stock tune is "bad" and an aftermarket tune is better. This could really be a good selling tool for tuners also, if there is truth behind it.
Assembling information like this in a way that it doesn't sound like an opinion could benefit everyone, although it is more work than simply saying that "so-and-so heard from his friend that his tuner said that this is bad and you need to buy this part, oh and here we have them on sale right behind you..." ...which I think is often the case. This can lead people to be even more doubtful and distrusting of those who are supposed to be experts or vendors, and then people ask even more questions.
Some well put-together data or a write-up could really minimize a lot of the repeated questions.

I can see where you are coming from. But with cars some modifications you cannot see "visible" results. For example changing shifter bushings. I mean we know how the stock felt but with the new ones it "feels" different and "better". Thats all we get to say about that. We cant record any more than that. As for the tuners using the catchphrase "Stage 1 is better, buy my services or tuner". They are not going to use it because only one company owns that market. Cobb.
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Old 10-05-2012, 09:47 AM   #9
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Just throwing in a comment to keep track of this thread. I'm creeping up from stage 2 power (probably ~330ish-whp, 350+tq) and dont want my engine to pop out from under the hood, nor for the tranny to split like a coconut.
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Old 10-05-2012, 09:50 AM   #10
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weak parts???

the parts between the ears of the driver are ALWAYS the weakest
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Old 10-05-2012, 10:08 AM   #11
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Proof stage 1 OTS Cobb tune is better than stock? Buy one (or go open source) datalog the stock tune, then load or tune to stage 1 and look at the timing curve. This alone will enlighten you on how bad the stage 1 tune is. Also, with opensource, you cn actually alter the closed loop/open loop setup correcting the lean condition. The only "weak" thing i've found is the stereo. What a piece of junk. That said, I don't turn it on much anyway. My exhaust is my stereo!
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Old 10-05-2012, 10:08 AM   #12
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Quote:
Originally Posted by Uncle Scotty View Post
weak parts???

the parts between the ears of the driver are ALWAYS the weakest
.............
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Old 10-05-2012, 10:09 AM   #13
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Quote:
Originally Posted by Uncle Scotty View Post
weak parts???

the parts between the ears of the driver are ALWAYS the weakest
I like the way you think, I usually tell people it's the loose nut behind the steering wheel. Takes them awhile before they figure out what I mean.

But I'm stage 2 on my '12 WRX and people are telling me to be easy on the tranny. Not having any problems yet after 3k miles.
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Old 10-05-2012, 10:15 AM   #14
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Quote:
Originally Posted by WiechWRX

I like the way you think, I usually tell people it's the loose nut behind the steering wheel. Takes them awhile before they figure out what I mean.

But I'm stage 2 on my '12 WRX and people are telling me to be easy on the tranny. Not having any problems yet after 3k miles.
AKA the steering/throttle interface
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Old 10-05-2012, 11:17 AM   #15
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Quote:
Originally Posted by WiechWRX View Post
I like the way you think, I usually tell people it's the loose nut behind the steering wheel. Takes them awhile before they figure out what I mean.

But I'm stage 2 on my '12 WRX and people are telling me to be easy on the tranny. Not having any problems yet after 3k miles.
Not to bust or disagree with you, but 3k miles is NOT a benchmark for reliability. Get back to us when you hit 50k, 75k, and 100k. Then you'll know if it's reliable. I equate what you said to "I drove down the street and my car didn't assplode, it must be good right?"
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Old 10-05-2012, 12:35 PM   #16
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Quote:
Originally Posted by WiechWRX View Post
Not having any problems yet after 3k miles.
Impressive!
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Old 10-05-2012, 12:46 PM   #17
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Obviously Trying to stick to the topic though. I'm sure the OP would rather read something related to what he's asking than to read one of your smarta** remarks.
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Old 10-05-2012, 12:55 PM   #18
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I actually was expecting at least 75% of this topic to have smarta** remarks, I have been around on this site long enough to expect that. Though, I have received some half-decent answers.
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Old 10-05-2012, 01:43 PM   #19
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Quote:
Originally Posted by Mr Wrex

The only weak points of a stock WRX are:
1) throttle body to TMIC hose - the rubber gaskets and worm clamps are to blame for this mainly
2) Shifter bushings - they're squishy as hell
3) The ECU map itself - a TP stage 1 map is safer, gives a bit of power, and can add more mpg

Once you start going stage 2 or higher:
1) Engine mounts - your engine will look like it wants to jump out from under the hood without them
2) Tranny mount - you may hear your tranny knocking about when shifting at higher RPMs
3) Transmission - look up "glass tranny" and you'll see what I mean
4) Pitch stop - yet another part that holds the engine in place
5) Tires, suspension, etc etc...
Newer wrxs no longer have a glass tranny. It's no sti 6 speed but it's tougher than it used to be.
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Old 10-05-2012, 02:09 PM   #20
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^ Just wondering if you have anything to back that statement, curious for my own interest.
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Old 10-05-2012, 02:41 PM   #21
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Quote:
Originally Posted by s2ktosti View Post
...it's pretty well documented on the tune for 09+ wrx and sti's. There are several dyno and logs showing that when the car makes the transition from open to closed loop, the car runs dangerously lean. Subaru did this to meet emissions standards
Gotta love those lazy bastards at HQ for cutting corners

Quote:
Originally Posted by masterforce View Post
...some modifications you cannot see "visible" results. For example changing shifter bushings. I mean we know how the stock felt but with the new ones it "feels" different and "better". Thats all we get to say about that. We cant record any more than that.
+1
Like I said, some mods are only noticeable when driving before and after installing them.

Quote:
Originally Posted by Uncle Scotty View Post
weak parts???

the parts between the ears of the driver are ALWAYS the weakest
Oh scotty...

Quote:
Originally Posted by SparkSilver10NM View Post
Proof stage 1 OTS Cobb tune is better than stock? Buy one (or go open source) datalog the stock tune, then load or tune to stage 1 and look at the timing curve. This alone will enlighten you on how bad the stage 1 tune is.
Once again proving my point that the stock tune is no bueno

Quote:
Originally Posted by WiechWRX View Post
...I'm stage 2 on my '12 WRX and people are telling me to be easy on the tranny. Not having any problems yet after 3k miles.
Well either listen to them or have fun breaking your bank for a tranny/gear swap

Quote:
Originally Posted by mrkyle3 View Post
Newer wrxs no longer have a glass tranny. It's no sti 6 speed but it's tougher than it used to be.
They are stronger, I'll give you that. But some of the dingdongs on here will misinterpret that, put 500 to the wheels, and then wonder why their "invincible tranny" broke.
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Old 10-05-2012, 03:03 PM   #22
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Good thing my father owns a tranny shop.
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Old 10-05-2012, 04:31 PM   #23
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List of parts I've installed/upgraded on my 2012 WRX so far...

1. Pitchstop
2. Motor Mounts
3. Steering Rack Bushings
4. Transmission Mount
5. Gearbox Bushings
6. Shift Lever
7. Shifter Bushings
8. Rear Differential Bushing Inserts
9. Rear Subframe Bushing Inserts
10. Front & Rear solid Swaybars

Those were the "weak" points I felt I need to address before putting down more power. The car is certainly a lot more responsive and a little harsh times if you get it wrong, but when you're getting on it and ripping through the gears, it's glorious. No more vague, sloppy funny business going on under the car...

I'm going for a Stage I tune and a catback next month from Eric. Next spring, after tax return, extra paycheck, etc I'll be trying to go for his "Stage III" tune, which is Stage II plus an EBCS, TMIC, fuel pump, etc. As you start turning up the boost, you run into all sorts of potential weak/leak points, like the stock TMIC, the stock BPV, etc. I figure if I'm going to be going to Stage II and looking at 19psi, I might as well go a tad further and upgrade those "stage III" parts that 'might' fail under Stage II boost anyway.
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Old 10-05-2012, 04:38 PM   #24
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Quote:
Originally Posted by Mr Wrex View Post
The only weak points of a stock WRX are:
1) throttle body to TMIC hose - the rubber gaskets and worm clamps are to blame for this mainly
2) Shifter bushings - they're squishy as hell
3) The ECU map itself - a TP stage 1 map is safer, gives a bit of power, and can add more mpg

Once you start going stage 2 or higher:
1) Engine mounts - your engine will look like it wants to jump out from under the hood without them
2) Tranny mount - you may hear your tranny knocking about when shifting at higher RPMs
3) Transmission - look up "glass tranny" and you'll see what I mean
4) Pitch stop - yet another part that holds the engine in place
5) Tires, suspension, etc etc...
you should stop regurgitating talking points of noobs or morons here, it gets pretty old
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Old 10-05-2012, 10:44 PM   #25
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Quote:
Originally Posted by mrkyle3 View Post
Newer wrxs no longer have a glass tranny. It's no sti 6 speed but it's tougher than it used to be.
They sure as hell better be when these guys are pulling 350wtq at a simple stage 2. That's a hard number to get to in a bugeye without a *****load of mods (compared to stage 2)
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