Quote:
Originally Posted by gm350reratliff
I have the SPC's on my 4th gen and they've held up well. I have about 90k on them right now and just replaced the ball joints last year. I use my 4th gen for everything but it's definitely been used offroad a lot. Plenty of adjust-ability built in but the hardest part is finding an alignment tech that knows how to and willing to take advantage of all that adjustment. Luckily, there's a tech in town that's pretty good.
The main selling point on the JBA's for me is their use of a standard GM 1/2 ton bolt-in ball joint. You should be able to find that ball joint easily no matter where you travel vs SPC's proprietary ball joint that would most likely have to be shipped to you. I would go with the HD arms instead of JBA's standard version.
If your budget allows, go with the Total Chaos arms. Super stout and made in the US by a company that truly cares about their customers. No problem getting 4* of caster, even at 3" lift height.
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I also really like the ability to get replacement ball joints without a hassle. That seems like a great plus side for the JBA.
As for the total chaos, they seem a bit out of my price range. I also like the idea of not having to worry about maintaining the balljoint as much as I might a uniball.
Does anyone know what the factory caster angles are? or does it not apply to a stock versus lifted vehicle?