Offroad Trailblazers and Envoys

Racing springs to replace factory springs

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by Trail X » Fri Apr 20, 2012 9:38 am

lupisnegris77 wrote:The springs are 10" x 2.5"I.D. The main difference between our springs and these is ours get smaller at the ends and these are 2.5" all the way through


2.5" ID? Did everyone else miss that?

Our front spring's upper perch wouldn't accept a 2.5" ID spring, would it? Going entirely from recollection here - isn't our upper perch something like 5" ID?

From what you've said so far, I'm very skeptical that you'll be able to get it to assemble properly. Nevertheless, you've peaked my interest.
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by lupisnegris77 » Fri Apr 20, 2012 11:18 am

JamesDowning wrote:
lupisnegris77 wrote:The springs are 10" x 2.5"I.D. The main difference between our springs and these is ours get smaller at the ends and these are 2.5" all the way through


2.5" ID? Did everyone else miss that?

Our front spring's upper perch wouldn't accept a 2.5" ID spring, would it? Going entirely from recollection here - isn't our upper perch something like 5" ID?

From what you've said so far, I'm very skeptical that you'll be able to get it to assemble properly. Nevertheless, you've peaked my interest.


I'm fairly certain the 5 is the outside diameter of the stock springs, like I said the springs get smaller right at the ends so it's my understanding that our perches(from everything I've read) are either 2.4 or 2.6 which is why I went with the 2.5 just to be safe but we'll see for sure when I get em on hopefully this afternoon
Edit:after looking at the upper perch again it seems you may be right James but I still may be able to make it work with some good ol redneck ingenuity lol I'll have to get the strut unassembled and have a closer look to make sure it will be structurally sound.
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by fishsticks » Fri Apr 20, 2012 1:14 pm

Our front shocks are 2" OD. 2.5" ID should work. When I cut my own shims, they were 4.5" OD.

I looked at doing something similar in the past, but lupis found springs a lot cheaper than what I was looking at.

He will need to move his top isolators down to the bottom spring perch (on the shock) to account for the fact that his new springs are most likely cut flat.
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by Trail X » Fri Apr 20, 2012 2:28 pm

True, that's another issue to contend with, the bottom perch - if his springs are flat ground.

Following with interest.

:lurk:
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by lupisnegris77 » Fri Apr 20, 2012 4:21 pm

Yes they are flat and that's exactly what I was thinking with the insulator so hopefully that will work perfectly. They will be going on tomorrow since I got a buddy who's going to help me out thanks for the input y'all.
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by Gordinho80 » Fri Apr 20, 2012 4:39 pm

Remember to take plenty of pics and measurements....
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by lupisnegris77 » Fri Apr 20, 2012 5:05 pm

Gordinho80 wrote:Remember to take plenty of pics and measurements....

I'll be taking pics but remember don't know how to upload from iPhone so email or number if you want pics lol
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by Trail X » Fri Apr 20, 2012 6:24 pm

I don't have it - but can't you post pictures from tapatalk? Isn't that available for the iphone?
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by Mudwheelin » Fri Apr 20, 2012 7:08 pm

Just email the pictures to one of us and we will upload them for you. Good luck tomorrow man!
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by steveroche » Sat Apr 21, 2012 12:45 am

Tapatalk is really easy to use for picture uploads. Quick too. Only a buck or two if I remember correctly, and iPhones take pretty decent pics too.
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by lupisnegris77 » Sat Apr 21, 2012 1:02 am

Alright I'll look into getting that
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by lupisnegris77 » Sat Apr 21, 2012 6:25 pm

Friend bailed on me so ended up taking the wife and kids offroading hopefully he's free either tomorrow or Monday so I can give y'all the updates. On a side note had a lot of fun on hidden valley trail and dakan road. Check traildamage.com for pics of the nice colorado trails
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by lupisnegris77 » Tue Apr 24, 2012 2:02 pm

Got the tapatalk and will be uploading some pics of the springs themselves later today when I get off work. Hopefully be able to get them on this weekend at the latest.Image
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by lupisnegris77 » Tue Apr 24, 2012 2:36 pm

As you can see one side is flat but the other is not, any thoughts on which way I should install? Also before anybody says anything I didn't care about the color the chrome was just the cheapest lol
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by navigator » Tue Apr 24, 2012 3:00 pm

I am thinking out loud here without having the parts in front of me......
I know the stock mount has a spring isolator with an offset to allow for the spring not being flat. I can't remember if the lower mount on the shock is the same. If the mount on the shock is the same I might try pulling off the isolator so you are mounting flat to flat.
You might want to think of some kind of cushion to help reduce the noise.
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by Trail X » Tue Apr 24, 2012 3:13 pm

Looks like both sides are flat ground to me.
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by navigator » Tue Apr 24, 2012 3:36 pm

lupisnegris77 wrote:......before anybody says anything I didn't care about the color the chrome was just the cheapest lol

What you talking about? Kyle would so rock those chrome springs! :poke:
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by fishsticks » Tue Apr 24, 2012 3:41 pm

JamesDowning wrote:Looks like both sides are flat ground to me.


:Iagree:

Slide the top isolator down the shock body to meet the perch. Putting the two together will give you a flat surface on both sides for the spring.
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by navigator » Tue Apr 24, 2012 3:47 pm

I think Fish is onto something, they should mate up, you might still need some kind of cushion to keep noise down between the spring and the mount at the top.
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by lupisnegris77 » Tue Apr 24, 2012 5:49 pm

All valid points thanks for all the input y'all what I'm thinking of doing is flip flop the isolator and insulator. Since the bottom perch wont need the insulator when I move the isolator down there so I'll move the insulator to the top to try and keep the noise minimal. Thoughts?
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