Originally Posted By: Whimsey
Back when my 2002 F-150 4X4 had 5,000 miles on it in 2002 I replaced the soft seemingly useless factory shocks with Rancho RSX's. So far they held up well under all sorts of roads & loads. From what I understand the Monroe Reflex shocks were basically the RSX's without the paint & boot, at a cheaper price. Not sure whether that's accurate or not. No leaks on mine but they rusted heavily, especially the rears. But then I park on a stone driveway that has water under it all the time
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Whimsey
If his truck is 2WD, Rancho doesn't make a shock for it. Rancho doesn't have any that fit SLA coil spring suspension Rangers. They do make shocks that fit torsion bar and the old Twin I Beam/Twin Traction Beam Rangers.
Bilstein is the way to go. Not the cheapest by far, but if you shop around online you can find deals.
Monroes are okay, but go for the more expensive ones. I cheaped out on the Ranger and put Monroe Gas Matics on it...stupid. The ride is a little better, but it looks like one is leaking already. It does have a lifetime warranty, I have just been lazy about replacing it. I had Sensa-Tracs on my Explorer and they rode better.
Other good brands to consider for this application are KYB and Edelbrock. You'll pay a small fortune for the Edelbrock's though, so you may as well go with Bilstein.
Definitely stay away from Gabriel shocks. When I was 16 I put a set of $18/shock Gabriels on my old Ranger - mistake. The bushing actually managed to slide off one and it started bouncing around on the control arm.