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Old 06-07-2009, 06:42 AM   #1
GodSquadMandrake
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Default Lateral links strength

Does anybody have any experience or input as to which type of lateral link is the strongest/most durable? I'm looking for something to put on my 91 Legacy rally car that can withstand stage rallies.


Whiteline

Sti pink full pillowball

STI silver full pillowball

Cusco triple pillowball

Perrin triple pillowball

Poltec triple pillowball - "We use 7075 aluminum alloy for all major parts, this is the strongest aluminum alloy available"


WRC - of course I won't use these but I thought I'd put them up for comparison. Here's another pic of some WRC goodies:


I don't think we need pictures of the stockers, we've all seen em.

I'm not an engineer so I really don't know. Just curious what you guys think.
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Old 06-07-2009, 11:28 AM   #2
Back Road Runner
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I would think most would be competent enough to do the job. If you bend one, you've probably done more damage to other parts too. The wheel might be bent or busted by that time, the strut bent, subframe bent, etc. It takes a pretty considerable licking to bend links. It'll really only happen under a compressive force, i.e. sliding sideways into a solid object.
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Old 06-07-2009, 12:32 PM   #3
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I would think you would like to use link's that are not adjustable, could be a weak point of the link. But most companies will give info for there recommended useage. They are extremely strong in any case, unless you take a sideway's impact to them. Search rally specific links on line.
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Old 06-07-2009, 01:10 PM   #4
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OEM. Spend your money on a HUGE list of things that are more important.

OEM are cheap, strong and easy to find cheap spares.
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Old 06-07-2009, 01:26 PM   #5
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Quote:
Originally Posted by XmanSTi View Post
OEM. Spend your money on a HUGE list of things that are more important.

OEM are cheap, strong and easy to find cheap spares.
best advice yet.
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Old 06-07-2009, 09:28 PM   #6
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I dont think you could go wrong with home fabricated cro-moly tig, welded and a good heavy duty spherical bearing. Thats more than likely what a WRC link is. You can find the rod ends and bungs to weld them to pipe rather easily.
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Old 06-07-2009, 09:28 PM   #7
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from the ones listed Id have to say cusco, its a suprior design. but for rally stages, unless your in the wrc Id go oem with group n bushings. Id also wrap them in leading edge tape so they dont get so beat.
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Old 06-08-2009, 01:28 AM   #8
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Not this one:
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Old 06-08-2009, 11:17 AM   #9
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Make the links super strong, then you just move the failure point up to something more expensive,and harder to replace. So you hit something and the lateral link didn't bend but ripped the mount out of the sub frame or bent it to ****, NOW WHAT? Would have been better off with the bent lateral link
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Old 06-08-2009, 02:20 PM   #10
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This thread is making me hungry... mmm chips and salsa. What's the deal with that?

Here's what I got back from Perrin:

------------Email----------------

Hi Doug,

Thank you for asking! They are most certainly durable for that purpose. The OEM units in steel have far less strength vs. the PERRIN.

If you need a shipping quote, or anything else, PLEASE let us know!

If we can help in anyway PLEASE let us know. Thanks for choosing PERRIN Performance!

PERRIN SALES DEPT.
3111 NE Shute Rd.
Hillsboro, OR 97124
503-693-1702 Voice
503-693-1782 Fax
SALES@PERRINPERFORMANCE.COM
WWW.PERRINPERFORMANCE.COM

------------------/Email----------------

Here's what Poltec had to say:

-------------Poltec Email--------------
Doug,

Our lateral links are designed to eb at least twice as strong as the stock
parts and they should handle rallying with no problems.

If you are looking for ultimate strength, I would recommend the 6-piece set:

http://www.poltec.us/products/subaru...s/1a-df031.htm

This design removes the bending forces caused by the sway bar thus
reducing the stress on the lateral links. I would also suggest sticking
with aluminum as opposed to titanium or CF as this will be more durable in
--------------/Email-------------------

And Rallispec's email regarding the STI pink lateral links. This one really impressed me:

------------Rallispec Email--------------

Doug,



We ran the STI lateral and trailing links on our open class rally car last
year. We used a Forester application lateral link set which was aluminum
but used a standard swaybar link bracket as part of the lateral links. We
chose this over the Impreza version because the Impreza version requires the
use of swaybar link brackets that bolt to the suspension knuckle.....and we
have found these external brackets and links to be less reliable.



In general, however, after 6 events including X Games the spherical bearings in the links have not developed any play. Thanks.

----------/Email----------------



Yeah I know I'm an Internet race car driver but I might as well try hard at it lol.
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Old 06-08-2009, 02:22 PM   #11
williaty
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Quote:
Originally Posted by GodSquadMandrake View Post
This thread is making me hungry... mmm chips and salsa. What's the deal with that?
That link is commonly called the Taco Link because it's shaped like one and about as strong.
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