CL9 lower control arm bushings: which to get? - Acura TSX Forum
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post #1 of 17 (permalink) Old 12-20-2016, 05:39 PM Thread Starter
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CL9 lower control arm bushings: which to get?

Hello everyone. The title basically says it all. The large bushings (are these called the "compliance bushings"?) on both of my front lower control arms are torn and I plan to replace them soon. I've got about 72k miles currently.

But which brand should I get?

Energy Suspension does not seem to offer any TSX bushings.

I see these PSB brand bushings for 7th-gen Honda Accord: Honda Accord - Problem Solving Polyurethane Bushings - PSB Will these work? I see them for sale and said to be compatible with TSX here: https://www.armstrongdistributors.co...FQkKaQodAfcEIQ

Is this a good choice? Or should I just get OEM? Some say they're a lot cheaper, but I was told by the parts guy of my Acura dealer that they sell only a set consisting of the control arm and the three bushings, and do not sell the bushings separately separately. Is this really true, or is he mistaken?

And while I'm doing this, should I replace the other two bushings on each control arm? I planned to take the arm off, so I figured I should, but maybe I can just replace the one bushing with the arm still on the car.
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post #2 of 17 (permalink) Old 12-21-2016, 01:46 PM
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I replaced my front compliance bushing with the PCI spherical replacement. It makes the steering a lot tighter and will last much longer than the cheap rubber Honda uses.

FWIW, Honda and Acura will sell the bushings separately. They were only about $12 each.

I didn't replace any other bushings other than the front compliance. That's where you'll feel the biggest performance gain, especially if your stock bushings are blown out.

https://www.heeltoeauto.com/bushing-...earing.pr.html
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post #3 of 17 (permalink) Old 12-22-2016, 02:44 AM
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Does PCI compliance bushings compromise ride comfort in any way? I was considering these bushings a few months back, but ended up replacing them with OEM ones instead.

2007 TSX 6MT CGP
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Flashpro with Custom Dyno Tune (213 WHP/183WTQ); RSX Type-S VTC 45*; CT-E Icebox CAI; DC Sports Headers; UR Underdrive Pulleys;Hondata Intake Manifold Gasket; P2R Throttle Body Gasket; Hybrid Racing Shifter Bushings; Fastline Stainless Steel Brake Lines; Neuspeed Supercup Kit /w Koni Yellows and Neuspeed Sport Springs; TL Type-S Shock Upper Hat Bushings; TL Type-S Rear Sway Bar; Ultra Racing Front 2 pt Brace; Ultra Racing Side Braces; Ultra Racing Rear 4 pt Brace; Mugen Short Shifter; Michelin Pilot A/S 3+; iSimple ISHD651 USB/BT iPod Interface; Phantom Audio Re-Tuned Amplifier; Alpine Type R SPR-69 6x9 speakers
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post #4 of 17 (permalink) Old 12-23-2016, 11:25 AM Thread Starter
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That PCI part looks really cool. I'm interested as well in how it affects the ride comfort
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post #5 of 17 (permalink) Old 12-31-2016, 09:43 PM Thread Starter
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I think I'm just gonna get the polyurethane ones from PSB. It will be some time before I can install them. I'll post here with my thoughts on them once they're installed.
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post #6 of 17 (permalink) Old 12-31-2016, 10:10 PM
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Quote:
Originally Posted by ZaneKaminski View Post
I think I'm just gonna get the polyurethane ones from PSB. It will be some time before I can install them. I'll post here with my thoughts on them once they're installed.

Just took a look at PSB's site :

Acura - Problem Solving Polyurethane Bushings - PSB

Unless I missed it somewhere the only bushings they list are the front control arms REAR position bushing, not the front control arms FRONT compliance bushing.
You maybe want to confirm which bushings you'll be getting before ordering.

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post #7 of 17 (permalink) Old 01-03-2017, 12:34 AM Thread Starter
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Hmm, you seem to be right. Well I'll do the spherical bearings then. Hopefully they won't mess up the ride comfort. The bushings allow movement in a way that the bearings seem not to is why I hesitate.
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post #8 of 17 (permalink) Old 01-04-2017, 12:07 PM
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I had the PCI bearings installed last summer. I liked the quicker steering response but they
made all bumps noticeable. If I drove over a toothpic, I could feel it. Road noise was increased too.
I didn't think the increased steering response was worth the degraded NVH, so I put the TL Type-S
bushings back in. These are firmer than stock, but still rubber. I would recommend replacing only the
compliance bushings, part number is 51394-SEP-A11. They have a specific orientation to allow
proper stretching of the rubber, so pay attention when installing them.
Below are pics of the PCI bushings in a TSX LCA and a stock TL LCA for reference.

After the TL bushings were back in, I installed the Spoon rigid collars for the front and rear subframes.
This increased the steering response almost as much as the PCI bearings but actually reduced NVH.
It made the chassis feel more solid. This by far was the best mod I ever did to improve driving feel.
If you LIKE driving your TSX, then you will LOVE driving it after installing the rigid collars.



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post #9 of 17 (permalink) Old 01-04-2017, 08:26 PM
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I didn't think of the TL-S bushings, good to know they work and are an upgrade in terms of stiffness.

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post #10 of 17 (permalink) Old 01-06-2017, 04:03 PM Thread Starter
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Are the 51394-SEP-A11 bushings for the Type-S only? I understood that the -A11 part is for all '07-'08 TL models and the -A01 part is for '04-'06.
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post #11 of 17 (permalink) Old 01-06-2017, 04:34 PM
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Yeah, the 51394-SEP-A11 is for all 07-08 TLs, including the Type-S.
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post #12 of 17 (permalink) Old 01-07-2017, 01:44 PM
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I have the PCI sphericals in my 2006 with Fortune Auto coilovers and 235/45r18 Nitto Neogens. I took it on a 2000 mile road trip right after installing them and absolutely love them. The NVH wasn't any issue at all for me. When I got back I even went ahead and installed the Hasport front and rear engine mounts with 70A bushings.

What I'm getting at is it's personal preference. Some people use the OEM bushings cause they liked the car stock, some use Moog replacement arms cause they don't have access to a press or want to pay for the install, some use TL bushings, some use spherical. Just read reviews and pick which one you like. I will tell you the sphericals reduce steering effort, improve response, and increase road feel.
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post #13 of 17 (permalink) Old 01-08-2017, 12:14 AM
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Quote:
Originally Posted by Brock View Post
I had the PCI bearings installed last summer. I liked the quicker steering response but they
made all bumps noticeable. If I drove over a toothpic, I could feel it. Road noise was increased too.
I didn't think the increased steering response was worth the degraded NVH, so I put the TL Type-S
bushings back in. These are firmer than stock, but still rubber. I would recommend replacing only the
compliance bushings, part number is 51394-SEP-A11. They have a specific orientation to allow
proper stretching of the rubber, so pay attention when installing them.
Below are pics of the PCI bushings in a TSX LCA and a stock TL LCA for reference.

After the TL bushings were back in, I installed the Spoon rigid collars for the front and rear subframes.
This increased the steering response almost as much as the PCI bearings but actually reduced NVH.
It made the chassis feel more solid. This by far was the best mod I ever did to improve driving feel.
If you LIKE driving your TSX, then you will LOVE driving it after installing the rigid collars.



Brock,
This is a bit off topic, but your comment on the rigid collars really intrigued me. Do you know if these collars are one time use only? I'm anticipating a clutch job in the not so distant future and wanted to know if I should just wait then to get these collars installed since the subframe will be dropped anyway. Also, do you think it's worth having the collars for both front and rear?

2007 TSX 6MT CGP
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Current Mods:
Flashpro with Custom Dyno Tune (213 WHP/183WTQ); RSX Type-S VTC 45*; CT-E Icebox CAI; DC Sports Headers; UR Underdrive Pulleys;Hondata Intake Manifold Gasket; P2R Throttle Body Gasket; Hybrid Racing Shifter Bushings; Fastline Stainless Steel Brake Lines; Neuspeed Supercup Kit /w Koni Yellows and Neuspeed Sport Springs; TL Type-S Shock Upper Hat Bushings; TL Type-S Rear Sway Bar; Ultra Racing Front 2 pt Brace; Ultra Racing Side Braces; Ultra Racing Rear 4 pt Brace; Mugen Short Shifter; Michelin Pilot A/S 3+; iSimple ISHD651 USB/BT iPod Interface; Phantom Audio Re-Tuned Amplifier; Alpine Type R SPR-69 6x9 speakers
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post #14 of 17 (permalink) Old 01-08-2017, 12:29 AM
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Quote:
Originally Posted by phen8tk View Post
Brock,
This is a bit off topic, but your comment on the rigid collars really intrigued me. Do you know if these collars are one time use only? I'm anticipating a clutch job in the not so distant future and wanted to know if I should just wait then to get these collars installed since the subframe will be dropped anyway. Also, do you think it's worth having the collars for both front and rear?
I know the question was for Brock but seeing as I rock the front/rear spoon collars Ill throw in my 2 cents.

A few people online have mentioned they could be a one time use item, because collar "meshes" and conforms to its mounting points. I personally don't think that will be an issue. Spoon claims they are some random material but honestly they feel like aluminum to me. The portion of the collars that centers the bolt and goes between the frame and mount point is what really makes these work.

I would wait to install the collars until your clutch job unless you have a thing for dropping your subframe twice. Also note that the install is pretty involved, and unlike the s2000 you need to either drop or lower the header and exhaust. I tried without lowering the exhaust and unbolting the header but I couldn't pry the subframe far enough downward to install the collars. Doing this on a lift is enormously helpful.

I did both the front and rear at the same time so I can't really comment on the feel of only having the front or rear. But I would get them both, they tighten up the chassis, increase steering response, and cut down movement when going over choppy streets a decent amount.
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post #15 of 17 (permalink) Old 01-08-2017, 12:37 AM
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Thanks! Sounds like a great mod. Having them reusesable makes ~$500 cost (for front and rear) easier to swallow.

2007 TSX 6MT CGP
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Current Mods:
Flashpro with Custom Dyno Tune (213 WHP/183WTQ); RSX Type-S VTC 45*; CT-E Icebox CAI; DC Sports Headers; UR Underdrive Pulleys;Hondata Intake Manifold Gasket; P2R Throttle Body Gasket; Hybrid Racing Shifter Bushings; Fastline Stainless Steel Brake Lines; Neuspeed Supercup Kit /w Koni Yellows and Neuspeed Sport Springs; TL Type-S Shock Upper Hat Bushings; TL Type-S Rear Sway Bar; Ultra Racing Front 2 pt Brace; Ultra Racing Side Braces; Ultra Racing Rear 4 pt Brace; Mugen Short Shifter; Michelin Pilot A/S 3+; iSimple ISHD651 USB/BT iPod Interface; Phantom Audio Re-Tuned Amplifier; Alpine Type R SPR-69 6x9 speakers
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