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03-12-2013, 05:58 PM | #1 |
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Stock (16mm) rear sway bar to 19mm+ for daily driver
After upgrading your stock RSB (16mm) to 19mm did you notice a significant change for daily driving on your 2012+?
Edited for simplicity. Looking for some feedback from 2012+ owners who upgraded from the stock (16mm) rear sway bar to 19mm+ (eg. 2010 STI RSB). I've read through the 2012 and aftermarket threads and from what I understand adding a 19mm RSB is an excellent upgrade, but I haven't always been able to determine...
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Last edited by webster354; 03-13-2013 at 01:16 AM. |
03-12-2013, 06:35 PM | #2 |
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I see you edited your original post since I was going to reply lol....oh well....you should re-read through those threads though....all your answers are there!
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03-12-2013, 07:13 PM | #3 |
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I am a leaf in the wind....
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03-13-2013, 01:12 AM | #4 | |
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I think I'll simplify my OP. |
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03-13-2013, 09:24 AM | #5 |
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I didnt see a huge difference. But I may be a bad sample.
I thought the car handled great before, so maybe I didnt pay attention to how much body roll there was at 16mm. I have sedan so maybe the rsb benefits the 5dr more due to increased weight on back tires. And also I have cvt so rpms seem to hover lower than the 5speed. Perhaps this is why I dont get the squirrely effect often reported. With all that being said it handles great and still reccomend the upgrade. |
03-13-2013, 09:47 AM | #6 | |
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03-13-2013, 09:58 AM | #7 | |
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On the other hand, I do shift the car every day, so a short shift kit is still on my radar screen. |
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03-13-2013, 10:04 AM | #8 | |
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I did say i was a bad example. lol |
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03-13-2013, 10:05 AM | #9 | |
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03-13-2013, 10:20 AM | #10 | |
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I'd like to hear from someone who has done the bushing part of the job and describe how hard it is to do. Don't you have to lower the differential or something to accomplish the bushing replacement? I'm guessing this isn't as hard as it sounds (I'm guessing you just remove some bolts and lower the diff a few inches with a floor jack, but this is just a WAG). Regardless, lowering the diff makes me nervous. |
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03-13-2013, 10:36 AM | #11 | |
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03-13-2013, 10:43 AM | #12 |
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my car felt more stable especially in head wind, cornering has improved. She is extremely responsive especially when paired with a good set of tires. no more squirly car feel.
Tank mode summer edition I live my life 1 mile at a time especially when going 5 above the speed limit |
03-13-2013, 10:55 AM | #13 | |
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03-13-2013, 10:59 AM | #14 | |
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03-13-2013, 11:05 AM | #15 |
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EXCELLENT!
I look forward to your report, and for your comparison of how shifts feel after the bushings are installed. |
03-13-2013, 02:47 PM | #16 |
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I installed a Perrin adapter before I installed the bushings. The feel was as expected; much shorter throws that still felt slightly vague and rubbery.
With the bushings installed, the shifting is almost rock solid. It now feels almost like the best Honda transmissions, where the shifter almost "snicks" into each gear. Fifth gear is still annoying, but less vague. I found that I didn't like the position of the shifter with the Perrin adapter, so I just installed a TWM shifter. It's very nice. Pro tip: I had a HELL of a time trying to get the holes in the Perrin rear bushing to line up with the holes in the car. It was cussing-like-a-sailor difficult. I recommend installing at least the rear bushing before installing any type of short shifter. That should allow for more wiggle room. |
03-13-2013, 05:16 PM | #17 |
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Thanks for the feedback.
I think I'll hold off on the 19mm RSB for now as I'm satisfied with the handling for daily driving. I'm sure I'll get a better understanding of the handling and performance after I take up to the mountain. |
03-13-2013, 05:40 PM | #18 | |
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03-13-2013, 05:41 PM | #19 |
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the 19mm was night and day difference to me. there was a lot of understeer before, now it is pretty much neutral. the way it corners is different from anything i have ever driven before, but that is because i am used to understeer and not neutral steering.
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03-13-2013, 05:43 PM | #20 | |
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03-13-2013, 06:01 PM | #21 | |
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03-13-2013, 10:24 PM | #22 |
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03-14-2013, 10:04 AM | #23 |
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Yeah pretty much. I push the car very near the limit of it's grip a lot of the time. I've never been one for acceleration, it's fun but I can live with a slowish car. I cannot however respect, or drive, a car with poor handling. It's no wonder why in my case, I love corners.
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03-14-2013, 10:18 AM | #24 |
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I got the short shift adapter installed last night. It's actually pretty amazing. Took for god damn well ever, and was not as easy as I was made to believe. The new components of the dash do not want to come out easily the first time, but they aren't bad the second time you pop them out. Once you get past the hard part of the e-brake boot and shift bezel things get easier. I'm running a little past the halfway point of throw and it feels like a sports car throw now. The hardest parts were getting the bushings out of the shifter pivot location (used a blunt beer cap opener and a flathead screwdriver to slowly pry them out without causing damage), and getting the adapter on. The top of the shifter has burrs you have to file off, and some force has to be applied for the adapter to slide on, but once it does, it slides down pretty easily. I had to apply a ton of clamping force to the bolt that holds the adapter on to keep it from sliding, I just hope it doesn't slowly work it's way down over time or I'll have to go back in and adjust it again. The shift levers position is barely effected and feels just fine, and shifts are orders of magnitude more positive and responsive. The force it takes to get the car in gear now is higher, but once you get used to that your shifts will be much much faster. I could barely feel the shifts last night with some proper use of the clutch and some quick shifting. I still want to install the perrin bushings but this is much much better already. There is a boot under the bezel and boot over the shifter, it has some sound insulation and probably helps to avoid dust getting in or something. I may remove it because honestly I don't mind the sound of a nice shifter and it does have some resistance to it, but for now I think it's fine.
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03-14-2013, 10:37 AM | #25 |
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Thanks for the update, Dirt. I'll look forward to hearing how much additional improvement you see from the bushings, or if you think most of the gain is from the portion of the installation you've already completed.
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