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Old 04-05-2024, 10:10 AM   #239
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Quote:
Originally Posted by RToyo86 View Post
Couldn't help my self and ordered. Is there any recommended hardware I should replace not included in the kit?
Quote:
Originally Posted by autoracer86 View Post
Yeah I think so. I will probably snag some new bolts myself as most of my stuff is pretty crusty looking
I've made it a practice to order new bolts/nuts for pretty much every install to just make life easier especially with crusty subframe pieces. Sometimes I even remember to use them!

For the traction mod install, I do recommend supporting the subframe with a jack (or a big strong friend if you're on a lift) even doing it 1 side at a time. Just to be safe and it does make it slightly easier. Not a lot of extra effort to do it that way.

I do also recommend getting the STI pillowball trailing arm to go along with this mod if you can. Certainly not required but I think it really makes the most of the change.

- Andrew
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Old 04-05-2024, 10:20 AM   #240
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Originally Posted by Ohio Enthusiast View Post
Yep, that's what I was referring to.
Cool so what's the point of loosening the two smaller bolts that connect on the body side ? I would think removing the big bolt would be enough. That bracket doesn't need to move as the traction mod connects to it.

It's not a major deal but I know one of my smaller bolts is stripped so I am hoping to not touch it lol. Else I need to get a tap/die kit along with a new bolt lol
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Old 04-05-2024, 10:55 AM   #241
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Originally Posted by autoracer86 View Post
Cool so what's the point of loosening the two smaller bolts that connect on the body side ? I would think removing the big bolt would be enough. That bracket doesn't need to move as the traction mod connects to it.
Ah, now I see what you mean. Yeah, I don't see a need to loosen them. This installation video shows the two small bolts loosened, but when they actually install the MCA mod it doesn't seem to matter. The GP Sport mod replaces the OEM bracket so those smaller bolts have to be removed, but for the MCA mod looks like you could leave them. I'd start from just removing the subframe bolt and see if there are any issues with bolting on the MCA mod and only touch the smaller bolts if needed.

Timestamp at 3:25 (damn embedding not doing the timestamp right...).

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Old 04-05-2024, 11:04 AM   #242
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Originally Posted by Racecomp Engineering View Post
I've made it a practice to order new bolts/nuts for pretty much every install to just make life easier especially with crusty subframe pieces. Sometimes I even remember to use them!

For the traction mod install, I do recommend supporting the subframe with a jack (or a big strong friend if you're on a lift) even doing it 1 side at a time. Just to be safe and it does make it slightly easier. Not a lot of extra effort to do it that way.

I do also recommend getting the STI pillowball trailing arm to go along with this mod if you can. Certainly not required but I think it really makes the most of the change.

- Andrew

I couldn't find the STI pillowball trailing arms in stock anywhere when I did mine
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Old 04-05-2024, 11:15 AM   #243
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Quote:
Originally Posted by Ohio Enthusiast View Post
Ah, now I see what you mean. Yeah, I don't see a need to loosen them. This installation video shows the two small bolts loosened, but when they actually install the MCA mod it doesn't seem to matter. The GP Sport mod replaces the OEM bracket so those smaller bolts have to be removed, but for the MCA mod looks like you could leave them. I'd start from just removing the subframe bolt and see if there are any issues with bolting on the MCA mod and only touch the smaller bolts if needed.

Timestamp at 3:25 (damn embedding not doing the timestamp right...).

I remember loosening but not removing those 2 bolts as well, not sure why I needed to but I think I did have to for some reason.

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I couldn't find the STI pillowball trailing arms in stock anywhere when I did mine
Check japanparts.com

- Andrew
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Old 04-05-2024, 11:44 AM   #244
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Quote:
Originally Posted by Ohio Enthusiast View Post
Ah, now I see what you mean. Yeah, I don't see a need to loosen them. This installation video shows the two small bolts loosened, but when they actually install the MCA mod it doesn't seem to matter. The GP Sport mod replaces the OEM bracket so those smaller bolts have to be removed, but for the MCA mod looks like you could leave them. I'd start from just removing the subframe bolt and see if there are any issues with bolting on the MCA mod and only touch the smaller bolts if needed.

Timestamp at 3:25 (damn embedding not doing the timestamp right...).
Yeah I watched that along with another video someone posted where MCA did the install for him. At least I think it was MCA lol and both time it just seemed like they over complicated the install

I am pretty sure I can get away with it I did ask MCA for instructions to see if I am missing something
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Old 04-05-2024, 11:50 AM   #245
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Originally Posted by Racecomp Engineering View Post
I remember loosening but not removing those 2 bolts as well, not sure why I needed to but I think I did have to for some reason.



Check japanparts.com

- Andrew
Is this the part you're talking about ? Seems cheap!
https://www.rhdjapan.com/sti-trailin...-ball-zc6.html

Thanks for the heads up on the bolts!
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Old 04-05-2024, 12:15 PM   #246
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Originally Posted by autoracer86 View Post
Is this the part you're talking about ? Seems cheap!
https://www.rhdjapan.com/sti-trailin...-ball-zc6.html

Thanks for the heads up on the bolts!
Yeah that's the one. It's just the OEM arm with a nice sealed pillowball on the one end.

- Andrew
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Old 04-05-2024, 12:40 PM   #247
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Quote:
Originally Posted by Racecomp Engineering View Post
I've made it a practice to order new bolts/nuts for pretty much every install to just make life easier especially with crusty subframe pieces. Sometimes I even remember to use them!

For the traction mod install, I do recommend supporting the subframe with a jack (or a big strong friend if you're on a lift) even doing it 1 side at a time. Just to be safe and it does make it slightly easier. Not a lot of extra effort to do it that way.

I do also recommend getting the STI pillowball trailing arm to go along with this mod if you can. Certainly not required but I think it really makes the most of the change.

- Andrew
Edit...
Part ordered, I'm doing SPC toe arms at the same time, I may as well refresh everything while Im there

Last edited by RToyo86; 04-06-2024 at 08:21 AM.
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Old 04-05-2024, 01:11 PM   #248
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Originally Posted by M0nk3y View Post
I ordered last night, will be sure to take photos but like others said looks like they revised the bushing slightly
Are these STX-compatible, per the verbiage regarding suspension geometry changes? Curious for my own STX car.
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Old 04-05-2024, 01:18 PM   #249
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Are these STX-compatible, per the verbiage regarding suspension geometry changes? Curious for my own STX car.
I don't think they are
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Old 04-05-2024, 01:24 PM   #250
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Are these STX-compatible, per the verbiage regarding suspension geometry changes? Curious for my own STX car.
They aren't, my signature is old...this car is very much beyond STX legal at this point...
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Old 04-05-2024, 09:04 PM   #251
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Originally Posted by autoracer86 View Post
Cool so what's the point of loosening the two smaller bolts that connect on the body side ? I would think removing the big bolt would be enough. That bracket doesn't need to move as the traction mod connects to it.

It's not a major deal but I know one of my smaller bolts is stripped so I am hoping to not touch it lol. Else I need to get a tap/die kit along with a new bolt lol
I think they loosen those two bolts so that if the subframe sags when you remove the big bolt it doesnít bend the bracket or put a lot of stress on it.

Also having those two small bolts loose allows you to wiggle the bracket side to side to make sure the big bolt threads back in perfectly.

Since you have a small bolt thatís been stripped I would probably just leave it tight and make sure the subframe is strongly supported on that corner.
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Old 04-06-2024, 01:15 AM   #252
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Yeah that makes a lot of sense. I was planning to support the frame anyway and was kinda surprised they didn’t. Thanks !
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