Like the title says I have the new UMI a arms and brand new sportlines. Everything is brand new and the front spring won't stay in the spring bucket. It doesn't matter what I try nothing works. Im not sure what the problem could be please need help.

 

How is it not staying? Description or pics please. Considering that the spring fits almost a full 2" into the crossmember & the bottom "keys" into a specific position, I'm not thinking of any way it could not stay.

 

The arm has a flatter pocket than the stock are with an opening in the center. It makes.it.possible for.the spring to.slip through the center if you are not careful. Once you get things started it fine, but getting the first coil started can be a bit frustrating. That said, this happened to me the first time I assembled my arms.

 

If you can't figure it out, use a piece of wire or.something strong to tie the back of the spring to the back of the pocket, through the hole in bthe bottom of the pocket. That will help.you get things started. Or use a spring compressor and compress.the spring a bit before installing

 

No the spring will go in were using a compressor to place it in. But when we release tension and let the jack down the bottom of the spring continues to pop out. We've tried everything we can think of. The rubber goes on top correct? That's only thing I can thing we have wrong is rubber placement but I dnt think the 1/8 in of rubber will help hold it in. Also not mentioned yet I have an aftermarket k member made by pa racing. Everything fits great but spring won't stay.

 

I'm confused then. If you have it compressed, and fully installed, why are you lowering the jack to a point where tension is removed from the spring? Do you have the arm supported? I'm.a bit confused on what you are doing

 

The car is on jack stands with the front end in the up in the air. But when I let the ARM down to be back to its suspended state the spring pops out.

 

Either the spring is way too short or you don't have the -arm connected to the strut/strut connected to the strut tower.

Pics will go a long way to us seeing your problem vs just trying to describe it. I suspect your description vs our understanding is what is holding up the resolution of your issue.

 

Everything is connected I'm using the comp engineering 90/10 drag struts on factory spindles. I'll have to get pictures in the morning and put them up. I also checked the spring numbers they are correct for our cars

 

How tall are the springs, loose/off the car?

 

I'm wondering if this mismatch of components (sportlines and 90/10s) is what is causing the problem. Perhaps the 90/10s allow longer droop travel (for better launch) which allows these shorter springs to just pop loose. This might be compounded by the k member/a arm combo.

If a drag launch is what you are after, a taller and lighter spring is what you want, not a sportline. Something like a stock V6 spring might do the trick for you.

 

Like everyone else said, measure the free height of the springs. Pictures would help as well.

 

That is a very interesting thought. The drag shock may very well have a longer droop travel that a stock/street strut.

 

You will simply want to be able to let the car weight down on the spring while keeping the spring held up to align into the pocket as you lower the car down. Sounds like you may have to fab a travel limiter to keep the springs from falling out under hard launches if you intend to use these.

Pablo nailed it here. You will idealy want a taller and lighter spring for drag racing.

 

if you have the strut connected, and the arm drops enough to allow the springs to dislodge, the issues is the spring being too short or the strut being too long in droop. Like Pablo mentioned, its possible the 90/10's are longer than a stock strut and allow moor droop. Also, as mentioned before, 90/10's and sportlines are not a good combo, thats a real mismatch right there. You need longer springs, or a spacer of sorts for the front spring if you plan to keep using them, but in reality you need to decide what you are doing with the car. If you are keeping the 90/10's, you will have a drag type car and you will need to get different springs. v6 springs possibly, moroso trick springs, or a custom rate springs/universal springs.

I had sportlines in stock a-arms and in umi's 1st design a-arms, and i never had this issue at full drop, since the springs still were in compression.