Helper springs have no travel
I've got Xida Clubsports (love them) and I'm trying to figure out how give the rear helper springs some travel. They are all but FULLY compressed at full droop. My car is a stock weight NB on 6" front and 6" rear 550/350 springs. I shot the linked video today, it shows that I have no helper spring travel:
What needs to change to give them some travel? Long/shorter spring? Softer/harder rate? I can lower the perch a bit (rear ride height is ~4.125 at the pinch weld), but what else can I do? I think the helpers are 150 lb/in. Perhaps this rate is too close to the main spring rate of 350 lb/in? The fronts have travel available at droop... Thanks |
They're supposed to be compressed. They keep the tire on the road at full droop.
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if you want more droop, you'd need a longer shock. don't the XIDAs have enough droop as it is? all XIDAs I've seen in person, the rear helper spring is compressed
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helper springs will always be compressed until in droop, and even them IIRC, emilio has said depending on your car wieght/height they might always. This is not a bad thing and what they are designed to do...keep the main spring seated in droop.
sounds like your car might just be really low? 4.125" sounds low. Had you had tender springs, then you'd expect them to stay decompressed more often then not, as they share the weight of the car and work a bit differently. Fix you video!!!! you copy and pasted a truncated link. one last thing, are you checking full droop with both rear tires off the ground? If not, your sway bar is a limiting factor anyways, but getting both tires off will be a better representation of the rear being unloaded. |
Fixed the link.
According emilio's description, they are supposed control wheel travel when the wheel is under lighter load. They are not supposed to be compressed at full droop. They are 150 lb/in springs, so they are stiff enough to "work." However, great point about both wheels off the ground. I need to double check that as I was lifting one side of the car at a time. However, in the video you can see that they never un-bind. Also, the front helpers have a lot of travel available (they un-bind even when lifting one side of the car). |
Get the car lower (it sure didn't look low yesterday but I'm an NA guy), corner harder, go over curbing:
If you put the car down 2" more, the spring will have more room to work. I thought the car drove fine and you shouldn't be worried about this stuff. Get it on the track, then use the suspension cam...just drive the thing. It handles bumps awesomely (better than my cars), its comfortable, what's the problem? |
So a 2.125" pinch weld height?! Um... No... I'll come down a bit, but probably not another 2".
I was weaving a fair bit during the video... |
re-do that video but instead jack the car up by the diff and see if they really are compressed at full droop.
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I'll do that tonight. I should have thought about the sway bar...
In any event, they're still not unbinding under load. I can get some more corner load into the car but not a lot... |
video is awesome, but looks like you have tons of bump/droop travel as is.
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Im not complaining about travel (xidas do that well). But I've got two $65 springs sitting on their ass instead of doing their job ;)
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Hustler: the video was after I lowered from where you saw it yesterday.
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Originally Posted by MoonieGT
(Post 885042)
Im not complaining about travel (xidas do that well). But I've got two $65 springs sitting on their ass instead of doing their job ;)
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2 Attachment(s)
Originally Posted by MoonieGT
(Post 885035)
So a 2.125" pinch weld height?! Um... No... I'll come down a bit, but probably not another 2".
I was weaving a fair bit during the video... https://www.miataturbo.net/attachmen...ine=1338819062 I also tuck (and tape my T) https://www.miataturbo.net/attachmen...ine=1338819062 You're weaving on the street on street rubber, get 1g+ loaded up, then run over some curbs, that will be the truthbomb.jpg. |
Originally Posted by MoonieGT
(Post 885042)
Im not complaining about travel (xidas do that well). But I've got two $65 springs sitting on their ass instead of doing their job ;)
I'm still not sure you "wasted" $130, but if it makes you feel better I wasted between $5000-$7000 in parts on the green car in about 6-months. |
Maybe you missed my post, but I dropped the car .5" or so i the rear and about .75" in the front from where you saw it yesterday. The heights were all jacked after I put in the new spring relocators.
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As a matter of principle, though...if he jacks the rear of the car up by the diff, both rear wheels at full droop, and the helpers are still fully compressed...what's the advantage over spacers?
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Originally Posted by MoonieGT
(Post 885038)
I'll do that tonight. I should have thought about the sway bar...
In any event, they're still not unbinding under load. I can get some more corner load into the car but not a lot... Again, none of this ---- matters because the car handles awesomely. |
Hehe, ya it isn't bad now. But I'm wondering if it could be a little better if I set it up right :).
I dont have a pic of it assembled out of the car. |
Originally Posted by mgeoffriau
(Post 885058)
As a matter of principle, though...if he jacks the rear of the car up by the diff, both rear wheels at full droop, and the helpers are still fully compressed...what's the advantage over spacers?
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