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Front lower contol arm bushings blown?

No sign on the original arms and I haven't seen anything on the arms that I replaced them with either with respect to the impact bushings

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Old 05-23-2019, 06:07 PM   #16 (permalink)
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No sign on the original arms and I haven't seen anything on the arms that I replaced them with either with respect to the impact bushings
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Old 05-24-2019, 12:43 AM   #17 (permalink)
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Quote:
Originally Posted by gomer_110 View Post
No sign on the original arms and I haven't seen anything on the arms that I replaced them with either with respect to the impact bushings
Alright, appreciate all the help with my concerns!
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Old 12-18-2019, 02:17 PM   #18 (permalink)
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Quote:
Originally Posted by sirnixalot View Post
I've been glued to my iPhone and computer for the past 2 days working out my plans for suspension, and can't figure the rear inner FLCA bushing out. The Superpro version in the second link above is offset, and I'm honestly not sure for what purpose. I posted a question to Z1, and ultimately they advised contacting SuperPro, which I've done. Any ideas while I wait?



Kit SPF3886K
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Old 12-18-2019, 05:04 PM   #19 (permalink)
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Originally Posted by Dentt42 View Post
I've been glued to my iPhone and computer for the past 2 days working out my plans for suspension, and can't figure the rear inner FLCA bushing out. The Superpro version in the second link above is offset, and I'm honestly not sure for what purpose. I posted a question to Z1, and ultimately they advised contacting SuperPro, which I've done. Any ideas while I wait?



Kit SPF3886K
Only thing I could see them doing that for is to increase positive caster and -camber by moving the lower arm out and forward but I think ideally youíd want to do it at the upper control arm.
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Old 12-18-2019, 05:29 PM   #20 (permalink)
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Originally Posted by Jhill View Post
Only thing I could see them doing that for is to increase positive caster and -camber by moving the lower arm out and forward but I think ideally youíd want to do it at the upper control arm.
Understood. What would be a good replacement bushing besides an SPL? I donít think Whiteline offers one.
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Old 12-18-2019, 08:19 PM   #21 (permalink)
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I've had no issues with my SPL bushings.
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Old 12-18-2019, 10:33 PM   #22 (permalink)
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Originally Posted by Rusty View Post
I've had no issues with my SPL bushings.
I knew that was coming

The arms themselves arenít very expensive used, so reversing back to stock or another bushing type is no issue. Also, Iíve tossed around the idea of mixing bushing types, like SPLs at the hub-end of the rear arms and urethane on the chassis connections.
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Old 12-18-2019, 10:46 PM   #23 (permalink)
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Originally Posted by Dentt42 View Post
I knew that was coming

The arms themselves arenít very expensive used, so reversing back to stock or another bushing type is no issue. Also, Iíve tossed around the idea of mixing bushing types, like SPLs at the hub-end of the rear arms and urethane on the chassis connections.
If I have a problem with parts. I post up. Look at my thread on the Bell diff brace. I ripped that part a new azzhole. Still haven't seen my review on the Z1 website on it. Because they won't post it.

The rear lower bushing is silicone filled. So if and when you remove it. Be prepared for a mess.
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Old 12-20-2019, 10:38 AM   #24 (permalink)
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With a decent turnaround time, I got a great answer from SuperPro. I'm confident I'm going to use their stuff now.

Quote:
Originally Posted by Brett @ SuperPro
Thank you for choosing our bushings for your 370Z.

The short answer is that the SPF3886K is meant to be offset from center. This allows the bushings to be oriented in their housings to add positive caster to the vehicle. The additional positive caster will improve on-center feel, weight up the steering some and provide dynamic camber gain with steering angle.

All of these benefits are present whether the car is driven entirely on the street or if it seems more spirited driving, track days, etc.

The only downside is that more attention must be paid during installation to orientate the two bushing assemblies correctly during installation as noted in the instructions.
https://superpro.com.au/find/superpr.../cid-999501122
EDIT: Clarication in teh SP tech's second email:

Quote:
Typically where we offer an offset (normally called a double offset in our terminology) kit – we also offer a standard alignment/geometry kit.

Having a look at our notes we only offer the additional positive caster/offset kit for the 370Z: (SPF3886K).

It is the better performance option when we offer both varieties of a given kit and most times the more popular option. In this case I’m not certain why we don’t offer a standard/non-offset version.

The catalog is correct – I didn’t pay close enough attention answering your last e-mail. The SPF3885K is not the standard version of the SPF3886K – it is the smaller bushing assembly for the forward location on the front lower control arm.
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Last edited by Dentt42; 12-20-2019 at 12:13 PM.
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Old 12-20-2019, 10:46 AM   #25 (permalink)
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Question

Do you have adjustable upper control arms?
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Old 12-20-2019, 11:45 AM   #26 (permalink)
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Quote:
Originally Posted by Rusty View Post
Do you have adjustable upper control arms?
The whole suspension is stock, and I'm working out the battle plan to get it all taken care of in steps.

Also, it looks like there's a mistake about the two SuperPro numbers, and I'm waiting on a reply for that too. 3886 and 3885 are listed as two different positions on the site: front and rear of the same lower arm.
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Old 12-20-2019, 11:57 AM   #27 (permalink)
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Quote:
Originally Posted by Dentt42 View Post
The whole suspension is stock, and I'm working out the battle plan to get it all taken care of in steps.

Also, it looks like there's a mistake about the two SuperPro numbers, and I'm waiting on a reply for that too. 3886 and 3885 are listed as two different positions on the site: front and rear of the same lower arm.
You going to drive the car before you get the upper arms? I wouldn't until you get the arms. Because your alignment is going to be off.
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Old 12-20-2019, 12:17 PM   #28 (permalink)
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Quote:
Originally Posted by Rusty View Post
You going to drive the car before you get the upper arms? I wouldn't until you get the arms. Because your alignment is going to be off.
Most likely no. My plan is to buy good core (aka used) control arms, upgrade the bushings on them, and then I can swap them out with shorter downtime. This arrangement worked well on my previous project, a WRX, and it made for a lot less transportation issues and borrowing cars.

NOTE: There was a small miscommunication in my emails with SuperPro, and it's been corrected above for anyone else that may be interested.
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Old 12-23-2019, 06:02 PM   #29 (permalink)
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Originally Posted by Dentt42 View Post
Most likely no. My plan is to buy good core (aka used) control arms, upgrade the bushings on them, and then I can swap them out with shorter downtime. This arrangement worked well on my previous project, a WRX, and it made for a lot less transportation issues and borrowing cars.

NOTE: There was a small miscommunication in my emails with SuperPro, and it's been corrected above for anyone else that may be interested.
So all the Superpro stuff is for use with OE Arms etc. correct?

Does it allow for adjustment and/or is there and option to stay with oe non-adjustable geometry?

Thanks
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Old 12-24-2019, 10:42 AM   #30 (permalink)
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I'm really interested in the Superpro bushings. I daily drive my Z and do track days and I don.t have adjustable upper A arms. The extra caster may save the outer edges of my front tires.
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