ES9000s and 863s
Change your springs anyone?
Change your springs anyone?
Pro Comp ES9000 Shock Information and Specs (1 Viewer)
- Thread starter Ebag333
- Start date
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broken stem
That 3/8" stem is one of the many reasons I returned my procomps. I think the heavy cruisers really need at least a 1/2" stem. Hopefully they'll warranty it.
its a lifetime warranty. 4wheelparts replaced it the next day.
- Thread starter
- #126
Replaced the front shocks on the 
truck today. No lift, so she got the standard length shocks (ones recommended in the first post).
HUGE difference, but her shocks (Rancho) were completely shot. If you compressed the shocks, they didn't rebound at all. Additionally, they were way too short, they were nearly maxed out length wise just sitting, and had maybe 3-4" of compression on them. She gained about half an inch of clearance by swapping to the Pro Comps.
Need to do the rears tomorrow, but gotta find someone with a press to swap the rubber in the lower mounts first....
truck today. No lift, so she got the standard length shocks (ones recommended in the first post).HUGE difference, but her shocks (Rancho) were completely shot. If you compressed the shocks, they didn't rebound at all. Additionally, they were way too short, they were nearly maxed out length wise just sitting, and had maybe 3-4" of compression on them. She gained about half an inch of clearance by swapping to the Pro Comps.
Need to do the rears tomorrow, but gotta find someone with a press to swap the rubber in the lower mounts first....
little_joe
SILVER Star
You can press out the bushing with 2 sockets and a C clamp. Press the new one in the same way - put some dishwashing liquid on the new one and it slides in effortlessly.
- Thread starter
- #128
Clever. Now I gotta find my c-clamp....
A bench vise and sockets will work too.
- Thread starter
- #130
Drill press worked. 
Replaced the front shocks on the
HUGE difference, but her shocks (Rancho) were completely shot. If you compressed the shocks, they didn't rebound at all. Additionally, they were way too short, they were nearly maxed out length wise just sitting, and had maybe 3-4" of compression on them. She gained about half an inch of clearance by swapping to the Pro Comps.
Need to do the rears tomorrow, but gotta find someone with a press to swap the rubber in the lower mounts first....
FYI Rancho's are not gas charged so they don't rebound out like the pro comps or bilsteins when compressed.
- Thread starter
- #132
I known that they don't rebound the same, but these don't rebound at all. There should be SOME pressure in there to rebound them, even if it is slow. These have none. It also took almost no force to compress them.
It'd make sense that they were blown, as stated earlier they have WAY too small of travel range. They would have been under and over-compressed a lot, which is a quick way to destroy your shocks.
The truck doesn't have very many miles on it (150k when purchased) so the Rancho's don't have THAT many miles on them. If they were sized right, they most likely would have had at least a little life in them.
Either way, night and difference in handling and ride.
- Thread starter
- #133
Was going through some old photos, and found some quick snaps I took of the rears with it pretty flexed out. (These were from quite a while ago, but scanning through the thread doesn't seem I ever posted 'em.)
I was on an RTI ramp, and this is the point where I started lifting a tire. So there's obviously more room for compression/extension, but this is pretty close to the max. The front end (of course) was what was stopping me from going further.
Need to get better flex pics......
I was on an RTI ramp, and this is the point where I started lifting a tire. So there's obviously more room for compression/extension, but this is pretty close to the max. The front end (of course) was what was stopping me from going further.
Need to get better flex pics......
Land Speeder
InstaH8R
that's a Rancho. Zero rebound. They aren't charged.
FYI:
Old thread, but if anyone thinking of the the ES9000 they are onsale buy 3 get one free at 4 wheel parts - Just ordered a set and 120.00 shipped.
Old thread, but if anyone thinking of the the ES9000 they are onsale buy 3 get one free at 4 wheel parts - Just ordered a set and 120.00 shipped.
- Thread starter
- #136
Been over two years since I've had this installed, time for an update.
As mentioned, I could drop the rear upper mount a bit (about an inch or so) and still have room to clear.
I find that the shock lengths are matched very nicely to travel capabilities. As shown in the pics, can still lift a tire (front or rear) despite the 12.5"/14" travel and 37's.
Comparing the shocks (new) to mine (2 years old), mine are noticeably softer, but I would say they are holding up nicely. I would expect to get at least a couple more years use out of them, if I get 5 years out of them I'll be happy, especially given the (ab)use I've subjected them to.
So I went back out to the same mound of dirt, and flexed the other side. Got up high enough to teeter totter on two tires, would have been embarrassing to flop there.
Here's a shot of the front right. Sorry about the finger, sun was in the background so only way to get any sort of a decent shot.
Rear flexes out quite nicely.
Something nice about lifting a 37" tire with (almost) 14" of travel. Little hard to see, but the tire is almost completely below the rockers.
I do see that I have some room to drop the upper rear shock mount an inch or so.
And other side. Tire just barely rubs. Catches the edges of the flare (front and back) and one very small part of the rolled lip (towards the top).
Picture has been stitched together from several, so that warps it slightly in the middle (flattens it).
And a blurry shot of the front DS. This tire is just barely touching, up a few inches higher on the mound of dirt and it would be lifted.
As mentioned, I could drop the rear upper mount a bit (about an inch or so) and still have room to clear.
I find that the shock lengths are matched very nicely to travel capabilities. As shown in the pics, can still lift a tire (front or rear) despite the 12.5"/14" travel and 37's.
Comparing the
shocks (new) to mine (2 years old), mine are noticeably softer, but I would say they are holding up nicely. I would expect to get at least a couple more years use out of them, if I get 5 years out of them I'll be happy, especially given the (ab)use I've subjected them to.
- Thread starter
- #137
E-mailed Pro Comp asking for some specs on their shocks (specifically valving), and got this in reply.
So they have no idea what the valving is? Seems kind of odd.
- Thread starter
- #139
I thought so too, but Christo actually explains it quite nicely in another thread.
This is an example of the shims and valve that is used in one of our shocks. The size and thickness of the shims is what determines how the shocks reacts. Also the position of the shims in the stack.
So there is not a single number that describes this whole relationship. If we did assign a number to it, it would essentially be a recipe number that tells us how the stack was made up. A shocks response can not be explained in a single number. If you dyno the shock, you will get a response graph. Only then can you compare them.
There is no standard for how these stacks are numbered. So when you talk about a 200/90 Bilstein shock, it tells them what is inside the shock and they can modify from there. It does not mean anything to another manufacturer.
Still though, its one thing to match the lengthof the shock you need but do they list the weight of vehicle recommended or anything??? A 12" shock on a 6k lb vehicle is different then a shock on a 3k lb vehicle.
