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03-05-2014, 04:59 PM | #1 |
Scooby Newbie
Member#: 270511
Join Date: Jan 2011
Chapter/Region:
Tri-State
Vehicle:2011 Sti satin pearl white |
2011 STI motor mounts worth it? And pulleys as well
Hey guys I've been trying to think of some little things I could do to not necessarily increase hp but maybe to wake it up and get more to the wheels with what I do have, without spending too much money.
Have a 2011 sti hatch 3" catted TBE with Perrin cold air intake and stage 2 tune from Perrin on my access port. I'm curious what your guys thoughts are on doing motor mounts. Do you notice much of a difference in torque/response/boosting faster ect. I was looking at really any of the pitch stop mounts leaning towards agency power, Perrin, or torque solutions but open to anything I would like to see what you guys are running and your thoughts. Also then looking at the Perrin or torque solutions motor mounts. What's your thoughts about performance gains? Worth the money? And instillation. Pretty mechanically inclined and I have access to a lift. Not trying to pull the motor though so if that's necessary for the bottom motor mounts I won't do it but any information is appreciated. Still in the early stages of thought for being a future mod.
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03-05-2014, 05:03 PM | #2 |
Scooby Newbie
Member#: 270511
Join Date: Jan 2011
Chapter/Region:
Tri-State
Vehicle:2011 Sti satin pearl white |
Oh and also forgot to as if a new crank pulley is worth it it makes sense to me to have less mass for less to turn but any thought on anyone who has done it or thinking about it it's not an expensive mod seems like one of those little things that might actually help in a few areas.
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03-05-2014, 05:42 PM | #3 |
Scooby Specialist
Member#: 328669
Join Date: Aug 2012
Chapter/Region:
SWIC
Location: Reno, NV
Vehicle:2017 STI Red. Duh |
simple answer is no.
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03-05-2014, 06:17 PM | #4 |
Medium Frank
Moderator Member#: 140114
Join Date: Feb 2007
Chapter/Region:
MAIC
Location: Common Sense, VA
Vehicle:2020 Subaru Outback |
Worth it is a completely crap question. Have you read Unabombers Manifesto? I think you haven't.
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03-05-2014, 06:25 PM | #5 |
Scooby Specialist
Member#: 280572
Join Date: Apr 2011
Chapter/Region:
E. Canada
Location: southern ontario canada
Vehicle:2011 sti sedan plasma blue pearl |
No u don't need motor mounts but I would suggest for what u r looking for is a set of whiteline rear diff inserts plus cradle bushing and also the positive shift kit.
Maybe consider the group N trans mount. With this combination your shifts under wot or moderate load will feel much better especially going from 1st to 2nd gear. |
03-05-2014, 06:25 PM | #6 |
Scooby Specialist
Member#: 361325
Join Date: Jul 2013
Chapter/Region:
E. Canada
Location: Ontario
Vehicle:2010 STi Dark Gray Metallic |
**** like mounts and bushings always sound so alluring and sexy when you read manufacturer's advertising copy and people's reviews online. Then you put them on your car and you realize that they left out what's called "NVH" because they don't care or were too embarrassed by their choice to mention it.
NVH is "noise, vibration and harshness." If you put racy mounts and bushings in your car expect your car to reward you with race-car levels of noise, vibration and harshness. Some people don't care because they've already got the catless downpipe and muffler-deletes going but others, looking for simple "upgrades", are often disappointed at how user-unfriendly the car has become as a daily driver. Caveat emptor. |
03-05-2014, 06:30 PM | #7 | |
Scooby Specialist
Member#: 328669
Join Date: Aug 2012
Chapter/Region:
SWIC
Location: Reno, NV
Vehicle:2017 STI Red. Duh |
Quote:
I can personally tell you just how harsh a car can become. Nearly every single mount in my car is now a solid mount and my car is LOUD, uncomfortable, unforgiving, and the interior has completely rattled apart. I actually drove around with no interior for a while just because the rattles were driving me pretty nuts. |
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03-05-2014, 06:34 PM | #8 | |
Scooby Specialist
Member#: 280572
Join Date: Apr 2011
Chapter/Region:
E. Canada
Location: southern ontario canada
Vehicle:2011 sti sedan plasma blue pearl |
Quote:
Any of the bushings I mentioned below will not add any nvh besides the positive shift kit in which is very subtle but everybody is different. |
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03-05-2014, 06:42 PM | #9 |
*** Banned ***
Member#: 371737
Join Date: Oct 2013
Location: Boulder/Nashville
Vehicle:2003 **** Your Fake Parts |
Save your money. Motor mounts are not needed at your hp level. And unless you want to drop $400+ on a Fluidampr or ATI pulley, do not put some crappy aluminum crank pulley on your car. They are nothing but bling/snake oil.
Save your money for a more efficient turbocharger, a FMIC, Injectors and a tune. |
03-05-2014, 07:18 PM | #10 |
Scooby Newbie
Member#: 163631
Join Date: Nov 2007
Chapter/Region:
NWIC
Location: Seattle
Vehicle:07 Forester XT Dom 1.5XT-R |
my 07 XT makes about 350 whp. With stock engine mounts making the 2-3 shift at full throttle was sometimes difficult. Going with the Group N motor mounts seems to have improved substantially, without excessive NVH. I've heard the Group N tranny mounts really firm things up, but with a greater increase in NVH, so I have not done that one. I like it the way it is. I already had a short shifter and shifter bushings, which contribute a bit of noise as well.
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03-05-2014, 07:43 PM | #11 | |
Scooby Specialist
Member#: 361325
Join Date: Jul 2013
Chapter/Region:
E. Canada
Location: Ontario
Vehicle:2010 STi Dark Gray Metallic |
Quote:
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03-05-2014, 10:06 PM | #12 |
Scooby Specialist
Member#: 150649
Join Date: Jun 2007
Chapter/Region:
SCIC
Location: Irvine, CA
Vehicle:2014 STI DGM |
When I had my 07 STI I did group n motor mounts, transmission mount, kartboy cross member bushings and TIC rear differential bushings. Definitely had an increase in engine noise,mainly around 3k-redline. Also the subie wiggle was more pronounced(engine vibration at idle) I didn't really notice an increase in noise with the transmission mount/bushings or the rear differential bushings, but once in a while I could hear some driveline whine. Now that I have a 14 STI,all I will do is probably the transmission mount, rear differential bushings and shifter bushings. Like stated before, my interior rattled like a mofo all the time and it got kind of annoying. So just as a heads up,I probably wouldn't upgrade the motor mounts unless NVH doesn't bother you
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03-05-2014, 10:12 PM | #13 |
Scooby Specialist
Member#: 328669
Join Date: Aug 2012
Chapter/Region:
SWIC
Location: Reno, NV
Vehicle:2017 STI Red. Duh |
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03-05-2014, 10:40 PM | #14 |
Scooby Newbie
Member#: 270511
Join Date: Jan 2011
Chapter/Region:
Tri-State
Vehicle:2011 Sti satin pearl white |
Cool guys thanks I'll definitely look in to the rear diff inserts and the cradle bushings as trev762 stated. As I said it was more of a curiosity if those mounts and pulleys actually did anything I was skeptical to begin with. Good to know that they aren't going to do much for me, and mostly just sounds not practical to do.
Good info thanks! |
03-06-2014, 12:42 AM | #15 |
Scooby Newbie
Member#: 303030
Join Date: Dec 2011
Chapter/Region:
BAIC
Location: CA
Vehicle:2009 STI DGM |
I went stage 2 a few months after buying the car. About 50k later, the shop started showing me a few worn bushings and some fairly ugly looking stock motor mounts. I upgraded to group N motor mounts.
In hind sight, I wish I would have done it much earlier. NVH was negligible and the difference felt during launch or acceleration was significant. I also do a good amount of engine braking. My first tbe setup was turboxs. I snapped 3 different downpipe s-braces before I swapped to a different welded brace downpipe. Can't help but wonder if the upgraded mounts would have cleaned up that stock drive train slop and prevented it. Thumbs up for me on group n. I did pulleys as well, wasn't really noticeable. |
03-06-2014, 08:58 AM | #16 |
Scooby Specialist
Member#: 358782
Join Date: Jun 2013
Chapter/Region:
MWSOC
Location: Springfield, Illinois
Vehicle:2013 STi DGM |
I would recommend doing group n mounts for everything possible. They firm things up without really adding any NVH to your ride. What I noticed added the most NVH in terms of bushings I've done is the kart boy bushings with the short shifter. Tranny whine can be heard in first and second but I don't really notice it anymore.
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03-06-2014, 12:35 PM | #17 | |
Scooby Newbie
Member#: 270511
Join Date: Jan 2011
Chapter/Region:
Tri-State
Vehicle:2011 Sti satin pearl white |
Quote:
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03-06-2014, 12:39 PM | #18 | |
Scooby Newbie
Member#: 270511
Join Date: Jan 2011
Chapter/Region:
Tri-State
Vehicle:2011 Sti satin pearl white |
Quote:
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03-06-2014, 01:18 PM | #19 | |
Scooby Specialist
Member#: 280572
Join Date: Apr 2011
Chapter/Region:
E. Canada
Location: southern ontario canada
Vehicle:2011 sti sedan plasma blue pearl |
Quote:
Your shifts will feel much more clean especially 1-3. Keep in mind the motor mounts r a b$tch with out proper tools. |
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03-06-2014, 04:31 PM | #20 | |
Scooby Newbie
Member#: 270511
Join Date: Jan 2011
Chapter/Region:
Tri-State
Vehicle:2011 Sti satin pearl white |
Quote:
How about if you're cruising on the highway lets say around 3200-3500 rpms the NVH isn't bad? Still practically unnoticeable? |
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03-06-2014, 05:06 PM | #21 | |
Scooby Specialist
Member#: 280572
Join Date: Apr 2011
Chapter/Region:
E. Canada
Location: southern ontario canada
Vehicle:2011 sti sedan plasma blue pearl |
Quote:
Yes 1-2 shifts were a b$tch only cuz u can't speed shift these cars and had to adjust coming from a honda so keep this in mind. Any of the other bushings I mentioned from whiteline only go with the bushing "inserts" not the full bushings. |
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03-07-2014, 10:54 PM | #22 |
Scooby Newbie
Member#: 270511
Join Date: Jan 2011
Chapter/Region:
Tri-State
Vehicle:2011 Sti satin pearl white |
Guess it's a good thing I never owned a honda.. Had a mustang gt actually so I still **** on Hondas lol
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03-09-2014, 06:36 PM | #23 |
Scooby Newbie
Member#: 352340
Join Date: Apr 2013
Location: Asheville, NC
Vehicle:2008 WRX Sedan Gray Metallic |
O can't talk for the group n trans Mount as that will most likely be the next thing I do! But I have an 08' wrx, I put group n engine mounts in while engine was out (figured why not!). As well as kartboy front and rear shifter bushings. The engine mount added maybe some vibration at idle but not bad, deff worth it for the throttle response and 2nd gear is much easier to get into under wot. Shifter bushings add trans wine but not really worth noting. Defiantly worth it and I drive hundreds of miles a week so use it a lot! Go group n don't think u will regret it.
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03-09-2014, 06:56 PM | #24 |
Scooby Specialist
Member#: 356927
Join Date: May 2013
Chapter/Region:
NESIC
Location: South Coast,MA
Vehicle:'21 WRX STI Crystal White Pearl |
I have group n tranny & motor mounts being installed within the next few days.
I currently have kartboy ss & bushings, & a perrin pitch stop. I wrote a short review in my personal build thread if anyone is interested. Like many it's my daily driver so keeping NVH down while cleaning up slop was the goal. From what I read the Group n mounts are the answer.I'll report my findings. |
03-09-2014, 07:01 PM | #25 | |
Scooby Specialist
Member#: 280572
Join Date: Apr 2011
Chapter/Region:
E. Canada
Location: southern ontario canada
Vehicle:2011 sti sedan plasma blue pearl |
Quote:
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