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My Back End Is higher than my front after suspension mod

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Old 08-26-08, 09:08 PM
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drift city
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My Back End Is higher than my front after suspension mod

A few weeks ago I purchased a used set of tokico illnmina's (5-way adjustable) with intrax springs. I put them on my car without any problems and thought they were fine. Then i started getting compliments that my car isnt setting right.

the problem is the front is setting really low ( like I like it ) while the back is setting not so low (about an inch or half higher then the front).

My question is how do I get the back to set nice and low liek the front. Ive heard I can chop the springs but I shouldnt have to do this. ????

Also does anyone have a picture of the intrax springs on their car...?

(below are some pictures of my car with the front and rear ride height difference).





Old 08-26-08, 09:11 PM
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Your car is faster now. It's always going downhill....

But who exactly is giving these "complaints"? It's your car. If you like it keep it. Looks just fine to me.
Old 08-26-08, 09:17 PM
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when i had them my rear sat higher (thats how they are stock)
Old 08-26-08, 09:42 PM
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hmm so how much higher does the back end sit stock? Because by the sounds of it i might have to cut the spring a very small amount (its a little high to me) pictures just couldnt give it justice lol...it looks a little funny lol.
Old 08-26-08, 09:47 PM
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Your stock springs were just worn out, on racing beats website it says more than likly most springs will actually raise your car due to the stock ones sagging.
Old 08-26-08, 10:02 PM
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drift city
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no my car definetely dropped...it was way too high before (but i agree they were worn). But it dropped them just not as much as i expected. So how much can i safety cut the springs? withour sacrificing anything but a little ride heighth
Old 08-26-08, 10:04 PM
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Are you sure you put the fronts on the front, and the rears on the rear?

Double check.

Did that on my CRX...slammed out the front, skyrocketed the rear...haha.

-Richard-
Old 08-26-08, 10:04 PM
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u can safely cut maybe 1/4 to 1/2 coil on the rear with no ill effects. ive done to my old benz and was good. the thing a bout cutting is your never satisfied and end up wanting to cut more.

sometimes the more u cut, the stiffer the spring will become if i recall.

some people set thier cars up to be lower in the front so when entering a corner, more wieght is already in the front allowing the car to rotate better etc... tho you dont want too much or the rear will swing out

Last edited by Hypertek; 08-26-08 at 10:09 PM.
Old 08-26-08, 10:10 PM
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Originally Posted by AreExSevenProject
no my car definetely dropped...it was way too high before (but i agree they were worn). But it dropped them just not as much as i expected. So how much can i safety cut the springs? withour sacrificing anything but a little ride heighth
Do they have "reserve" coils, if not don't cut.
Old 08-26-08, 10:26 PM
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Originally Posted by office888
Are you sure you put the fronts on the front, and the rears on the rear?

Double check.

Did that on my CRX...slammed out the front, skyrocketed the rear...haha.

-Richard-
I don't think you can do that with 7 springs because the fronts are mad wider then the rears.

Check what intrax is supposed to drop, it may be a different inch drop on front and rears. Where did you get them from, you may want to call and verify the part number on the spring matches the 7 number. Do you have a pic of a different car with intrax springs to compare?
Old 08-26-08, 10:32 PM
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The rears on FCs have larger fender gaps than the front which may give it the impression that it is higher. Also it looks like your rear tire profiles are larger. Is it just the picture?
Old 08-26-08, 11:28 PM
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doesnt the eibach kit drop it .8" in the rear
Old 08-26-08, 11:32 PM
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Thats the stock stance differential.
Old 08-27-08, 01:25 AM
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the front tires are 215's and the rears are 225's. But before I had 215's all around and it looked real silly

The intrax are supposed to drop 1.6".
Ill check the website and see if the front and rear drop are supposed to be different.

I do have the stock springs and struts...so they are my reserve (to answer that one guys Qusetion.


I talked to a guy who had the same springs and he said that on his the back set lower then the front???? man im confised...????
Old 08-27-08, 01:58 AM
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http://www.autocarparts.com/part/922/Mazda/
says 1.6 fornt and back drop
Old 08-27-08, 07:44 AM
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Verify you got the correct springs for teh 7 in the rears.
Old 08-27-08, 09:13 AM
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A lot of aftermarket springs for the RX7 leave the rear end a bit higher. When you "slam" the rear end on these cars, the suspention geometry goes to hell and induces too much negative camber.
Old 08-27-08, 06:15 PM
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dude its called rake (when the back is higher than the front)

its badass. and if you like it then legit.
Old 08-27-08, 06:19 PM
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Don't cut the coils, especially not with a torch. They are made to seat in a certain position. And even if you cut one full coil off, you're changing the spring rate. If you want it a certain way, get coilovers or adjustable spring perches.
Old 08-28-08, 11:58 AM
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just curious.... is it assumed that the tokicos are on the same perch, front and back?
Old 08-28-08, 01:01 PM
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the same perch?

What?
Old 08-28-08, 03:27 PM
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its just how the back sits. aren't intrax really bouncy?
Old 08-28-08, 04:37 PM
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no mines not bouncy at all. I can adjust it if i want it bouncy but right now i have it so its stiff. The spring rate will not be effected if it is only a little cut. (like a 1/4 of an inch) but I have heard that the camber wil be effected so I would need to by adjustable toe arms if i slam it...
Old 08-28-08, 08:43 PM
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ill check the springs in the back. how will i know if they are the right ones.
Old 08-29-08, 12:16 AM
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Cutting the rear springs will have a negative effect on your handling. not only will the rear camber be way too negative, but the shock will not keep tension on the spring at full droop (it barely does now). This will result in strange behavior coming out of corners at an autocross (please don't ask how I know...)


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