aftermarket A arms

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dlcrays

n00b
Jan 20, 2015
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Something I've been curious about on aftermarket front upper A arms, the companies say they increase camber and caster. Does anyone happen to know how much those are in numbers or dimensions over the stock ones? They of course don't state that on their websites or ? Anyone ever measure them compared to stock and see what the differences are? thanks.
 

melloelky

Comic Book Super Hero
Oct 22, 2017
4,136
9,486
113
mass
http://umiperformance.com/catalog/index.php?main_page=product_info&cPath=8_59_273&products_id=610
i run umi front to back,they state the specs up front.bang up customer service btw.the parts include new specs,the arms are engineered in such a way that you couldn't align the car to oe specs with their products if you wanted to.this is the difference between cheap no name e-bay arms that may or may not take an alignment and name brand that's proven to work and work well. for my money umi does more r&d than anyone else.
 
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liquidh8

Comic Book Super Hero
I used Spohn, and I just aligned my wagon and got 5.5 degrees of caster with pretty much no shims.
 
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TURNA

Rocket Powered Basset Hound
Jul 24, 2009
10,941
19,990
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Socialist NY
I used Spohn uppers and UMI lowers.

UMI did not make the uppers at the time.

I called and called UMI wouldn't say if they were or weren't going to make them.

It seemed the left hand didn't know what the right hand was doing when I asked questions.

Then when I got there lowers they had real junk ball joints in them and the rubber boots ripped within a week.

When I called them all i got was silence. No sorry, No replacement No nothing but ripped boot ball joints.
 
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