- First Name
- Murph
- Joined
- Nov 10, 2021
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- 154
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- Location
- Cleveland, OH
- Vehicle(s)
- Ford Explorer Timberline
- Your Bronco Model
- Outer Banks
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- #1
This seems interesting...
Looks like the zone 2 inch kit but with a baby perch collar and added bump stops up front.
If someone buys, please pull measurements off both spacers, the collar, and the bump stops (thanks).
I personally like this approach better than the RPG perch collar only style, and here is why:
The RPG pushes the front up 2.25 using just the spring. This means that the shock is physically 2.25/1.5 = 1.5 inches extended from its "relatively centered" base/curb position. Based on what I have seen (below), the shock will only have 0.3 inches of extension before it moves into its "rebound escv" zone, and will only have 1.1 inches of downward extension (1.6 inches of downward travel) before full extension (this limiting of the droop is what makes the collar "safe" regarding CV binding):
Upward the shock will have 3.7 inches of travel (5.6 inches at the wheel) before the "compression escv" even starts to kick in, which will too late to be useful (full spring compression).
It just seems that the perch collar idea works against the Bilstein ESCV idea. In the case of this Zone kit, the perch collar looks to be only about a 3/8 inch (0.6 inches at the wheel). So if you want a little more lift than you can safely get with just a spacer lift (1 inch spacer / 1.5 inches at the wheel seems like about the limit of "safe"), and don't want to mess up the ESCV idea too bad, this might be for you.
Opinions will vary - and I know that aftermarket coilovers are better...
Looks like the zone 2 inch kit but with a baby perch collar and added bump stops up front.
If someone buys, please pull measurements off both spacers, the collar, and the bump stops (thanks).
I personally like this approach better than the RPG perch collar only style, and here is why:
The RPG pushes the front up 2.25 using just the spring. This means that the shock is physically 2.25/1.5 = 1.5 inches extended from its "relatively centered" base/curb position. Based on what I have seen (below), the shock will only have 0.3 inches of extension before it moves into its "rebound escv" zone, and will only have 1.1 inches of downward extension (1.6 inches of downward travel) before full extension (this limiting of the droop is what makes the collar "safe" regarding CV binding):
Upward the shock will have 3.7 inches of travel (5.6 inches at the wheel) before the "compression escv" even starts to kick in, which will too late to be useful (full spring compression).
It just seems that the perch collar idea works against the Bilstein ESCV idea. In the case of this Zone kit, the perch collar looks to be only about a 3/8 inch (0.6 inches at the wheel). So if you want a little more lift than you can safely get with just a spacer lift (1 inch spacer / 1.5 inches at the wheel seems like about the limit of "safe"), and don't want to mess up the ESCV idea too bad, this might be for you.
Opinions will vary - and I know that aftermarket coilovers are better...
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