etrailer | DIY 2015 Toyota 4Runner Installation for the SumoSprings Solo Custom Helper Springs
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Full transcript: https://www.etrailer.com/tv-install-s...
Hi everyone, Aiden here with etrailer. Today, we're going to be taking a look at and showing you how to install the SumoSprings Custom Helper Springs on our 2015 Toyota 4Runner. Now, the first thing we wanna know is how the SumoSprings perform. Right now, we've got it on stock suspension right now, no enhancement installed and we wanna check the factory ride height. That's going to be the measurement from the ground to the top inside edge of our wheel well here on the back axle. And that's gonna be sitting at 36 and three quarters of an inch.
Now, what we can do is put a load on the hitch or in the vehicle, something to basically weigh the back end down a bit, see how much it drops on that stock suspension, run it through our course, then install the SumoSprings and see how it compares. And maybe see if it brings it up to our factory ride height again. And now that the 4Runner has some weight in it we've loaded up some very heavy boxes in the back and one in the hitch and the cargo carrier. We can get that same measurement we took before over here by the wheel well. So, this new measurement from the ground to the top inside edge of the wheel well is going to be 35 and three quarters of an inch.
So, we're getting a full inch of drop here with this weight in the back. And that's just with some weight in the back of the 4Runner and in the hitch. Imagine what that would be with something like a camper or a heavy trailer. We can imagine that sag would be a lot more, but let's see how it performs and how it feels going over our test course. And overall the ride quality was okay.
It wasn't terrible but you could definitely tell there was weight in the back of the 4Runner. On the bumps you can definitely feel it up and down and the side to side felt really slow to correct. So there's not a lot of support for that body roll that we get whenever we're turning and making sharp evasive maneuvers or even just regular long turns. Now, we're gonna go ahead and take this into the shop and get the SumoSprings installed. We'll do a bit of a time cut here then we'll jump right to having them installed and do the same test after to see how they compare.
And one installation later, we've got the same exact load in the 4Runner here and we've got the SumoSprings installed. So, let's close this up and take the same measurement that we did at the start of the video here. From the ground to the top inside edge of the wheel well we're gonna be sitting at 36 and one quarter of an inch. So, we've still got about a half inch of drop, but compared to what we were at before with a full inch of drop, it's a lot better. And keep in mind, we don't have that much weight loaded in here. Really, all of this probably equates to less than what a passenger and their cargo would weigh. And especially in the hitch, that's a lot less than what something like a camper would be weighing on the vehicle. So, if you we're to be loading more here we'd probably be seeing a bigger difference. Regardless though, we are seeing improvement even with this load. So let's take it through the test course and see how it performs. And after driving around with the SumoSprings, can definitely say they made a difference. On the bumps course the difference was a little bit more minor, but what I can say is that the bumps felt more sharp, more defined. So, rather than hitting a bump and then feeling a bit of bounce and aftershock, it was very quick to correct. It does make the ride maybe a little bit rougher but that's gonna be true for airbags and any other suspension enhancement that's adding more there. There's just less room for movement so it's gonna be a bit more stiff. But on the side to side action of the course, that's where we notice a huge difference. As the 4Runner tends to roll, get a little bit of that body roll, it's a lot quicker to make contact with that SumoSpring and put some pressure on it and keep the 4Runner from rolling anymore. So you don't feel like you're swaying a side to side near as much on that portion of the test course with those in place. Because you made contact and it supports you a lot more, limiting that body role that you're gonna experience. So now that we've seen how they performed, let's learn a little bit more about the springs themselves. Now, these are gonna use a progressive spring rate. What that means is the more the spring compresses, the more it's going to push back and provide support. So at 50% compression these are rated for 1800 pounds of support. Now that doesn't necessarily up the weight capacity of you
https://www.etrailer.com/Vehicle-Susp...
https://www.etrailer.com
Don’t forget to subscribe!
etrailertv
Full transcript: https://www.etrailer.com/tv-install-s...
Hi everyone, Aiden here with etrailer. Today, we're going to be taking a look at and showing you how to install the SumoSprings Custom Helper Springs on our 2015 Toyota 4Runner. Now, the first thing we wanna know is how the SumoSprings perform. Right now, we've got it on stock suspension right now, no enhancement installed and we wanna check the factory ride height. That's going to be the measurement from the ground to the top inside edge of our wheel well here on the back axle. And that's gonna be sitting at 36 and three quarters of an inch.
Now, what we can do is put a load on the hitch or in the vehicle, something to basically weigh the back end down a bit, see how much it drops on that stock suspension, run it through our course, then install the SumoSprings and see how it compares. And maybe see if it brings it up to our factory ride height again. And now that the 4Runner has some weight in it we've loaded up some very heavy boxes in the back and one in the hitch and the cargo carrier. We can get that same measurement we took before over here by the wheel well. So, this new measurement from the ground to the top inside edge of the wheel well is going to be 35 and three quarters of an inch.
So, we're getting a full inch of drop here with this weight in the back. And that's just with some weight in the back of the 4Runner and in the hitch. Imagine what that would be with something like a camper or a heavy trailer. We can imagine that sag would be a lot more, but let's see how it performs and how it feels going over our test course. And overall the ride quality was okay.
It wasn't terrible but you could definitely tell there was weight in the back of the 4Runner. On the bumps you can definitely feel it up and down and the side to side felt really slow to correct. So there's not a lot of support for that body roll that we get whenever we're turning and making sharp evasive maneuvers or even just regular long turns. Now, we're gonna go ahead and take this into the shop and get the SumoSprings installed. We'll do a bit of a time cut here then we'll jump right to having them installed and do the same test after to see how they compare.
And one installation later, we've got the same exact load in the 4Runner here and we've got the SumoSprings installed. So, let's close this up and take the same measurement that we did at the start of the video here. From the ground to the top inside edge of the wheel well we're gonna be sitting at 36 and one quarter of an inch. So, we've still got about a half inch of drop, but compared to what we were at before with a full inch of drop, it's a lot better. And keep in mind, we don't have that much weight loaded in here. Really, all of this probably equates to less than what a passenger and their cargo would weigh. And especially in the hitch, that's a lot less than what something like a camper would be weighing on the vehicle. So, if you we're to be loading more here we'd probably be seeing a bigger difference. Regardless though, we are seeing improvement even with this load. So let's take it through the test course and see how it performs. And after driving around with the SumoSprings, can definitely say they made a difference. On the bumps course the difference was a little bit more minor, but what I can say is that the bumps felt more sharp, more defined. So, rather than hitting a bump and then feeling a bit of bounce and aftershock, it was very quick to correct. It does make the ride maybe a little bit rougher but that's gonna be true for airbags and any other suspension enhancement that's adding more there. There's just less room for movement so it's gonna be a bit more stiff. But on the side to side action of the course, that's where we notice a huge difference. As the 4Runner tends to roll, get a little bit of that body roll, it's a lot quicker to make contact with that SumoSpring and put some pressure on it and keep the 4Runner from rolling anymore. So you don't feel like you're swaying a side to side near as much on that portion of the test course with those in place. Because you made contact and it supports you a lot more, limiting that body role that you're gonna experience. So now that we've seen how they performed, let's learn a little bit more about the springs themselves. Now, these are gonna use a progressive spring rate. What that means is the more the spring compresses, the more it's going to push back and provide support. So at 50% compression these are rated for 1800 pounds of support. Now that doesn't necessarily up the weight capacity of you
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