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I put a set of Edelbrock IAS Performer shocks on my Bronco, and honestly, I would go with Rancho or Bilstein if I could do it over. 50% failure rate of the shocks within 3 months of purchase, plus the ride improvement isn't as good as everyone says.
Adelyser - glad to see your post. I priced them today at 4Wheel parts and saw they are ~$75 each! Wow! I was thinking more like $45 - $55 a unit. So, the Ranchos are a good selection? Did you have any improvememt with the IAS, or just all trouble?
I replaced my stock shocks with a complete set of Rancho RS5000's and they seem to be pretty good. When the weather's warm. when it's cold out, they're pretty stiff. But I figure just like all the other brands out there, what the hell's the real difference anyway. Go with Rancho, best bang for your buck, overall I like 'em. It doesn't get too cold here in San Diego, so the Rancho's work out fine. I also thought about getting the IAS's, but after reading that other post, forget it.
The ride improvement wasn't noticeable, and I was replacing stock shocks with 130,000 miles on them. I have had a lot of trouble at first, but they all seem to work fine for now. The ride is stiffer than with the stock shocks, and this is quite noticeable over big bumps and pot holes. After owning these shocks for almost a year, I would still prefer the Rancho shocks.
I just put Rancho RSX's (Monroe Reflex is the same shock) on my Expy a month ago and they seem to be just right, not too stiff and not too mushy. I've run Rancho 5000's in the past and they were too stiff for my taste, however, if you're a serious off-roader the 5000's may be the way to go. I thought about the Rancho 9000's, but figured I'd never get out, slide under all four wheels and adjust the shocks...just not practical and not worth the extra $$$ for the shocks or the in-cab selector.