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Wheels, Tires, Brakes and Suspension Slip and slide discussion


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Old September 23rd, 2011, 11:01 AM   #81 (permalink)
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MACH1219 is an unknown quantity at this point
some kits (eibach sportlines) are designed for the bumpstop to be cut, i cant remember if it was the front or rear though. it still works if its cut, it just allows for more travel.

blkwings- I would advise you to go back to stock. You hate it now, and you seem confused on what it is you are actually doing, so safest bet is go back to stock
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Old September 23rd, 2011, 11:25 AM   #82 (permalink)
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Sure, totally agree the professional installers could have done something wrong. Just not sure what that might be. I had them cut the bumpstops too. I had them cut based on what I read on this forum and others. But the struts are clearly failing because of the springs and cutting, and I didn't think they'd need to be replaced so quickly, even w/ cut bumpstops.

And yes, many others have had no problems w/ springs, the Eibach in particular, that's why I chose them.

As far as the ride, on side streets even small bumps can be be jarring and obnoxious. Not firm and responsive like i was expecting. At higher freeway speeds, the car undulates hard so passengers hit their head on the roof over any slope or grade.

Again, many people like yourself are happy w/ springs and that's cool, I just wanted to weigh in because the KYBs are the only strut option and they don't seem to be a good fit for aftermarket springs from my experience. Coilovers are made to work as a unit and seem to be the better long term solution.
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Old September 23rd, 2011, 11:40 AM   #83 (permalink)
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I wouldnt have cut the bumpstops unless the spring manufacture directed u to do so. that may have been your downfall.
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Old September 23rd, 2011, 12:24 PM   #84 (permalink)
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eibach does tell you to cut them....you need to or you'll be riding on them half the time.....

and anyone buying the KYB's needs to know that there are 2 models that fit our car, a single tube and a double tube....the single tube is NOT the right one, you NEED to get the double tube ones.....just FYI...
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Old September 23rd, 2011, 12:39 PM   #85 (permalink)
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oh ya, and they KYB's are actually the OEM manufacturer, that's why they sell them....the case markings and numbers on them side by side are IDENTICAL, if KYB doesn't make the OEM ones, then the company that does make the OEM ones sells them to KYB.....

BTW, if you lower your car and TIGHTEN your suspension, the ride, especially on bumps and rough road, will be a lot more BUMPY.......

realize that there really isn't much under our cars when they've been lowered, a coilover is for sure the better way to go, especially if you don't understand that springs make it a bit rougher....I've had my sportlines for quite some time, I replaced the KYB's because I didn't like how the stockies felt...and the guys at firestone did the alignment afterwards and didn't torque a centrix bolt on the rear, and 3 months later it came loose and cost me a pair of tires by the time I figured out what it was doing......professionals make mistakes, not often, but they do, they're human like the rest of us......

I digress....lowering with springs, and yes you have to cut the bump stops, will make your ride bumpier than it was stock....quite....but there's a huge difference between a car riding on the bump stops and jarring your eyeballs out every time you hit a crack, and a tight suspension.....where's you car riding?
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Old September 23rd, 2011, 12:47 PM   #86 (permalink)
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Quote:
Originally Posted by Danester View Post
I digress....lowering with springs, and yes you have to cut the bump stops,
i believe that depends on the spring. Not all of them require u to cut the bumpstops, eibach pro kit for one example
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Old November 10th, 2011, 08:00 PM   #87 (permalink)
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Ahahaha I thought it was funny as fuck as mach and joey sat there going back and forth and people were just completely ignoring it. xD
Anyways... I was thinking about springs, but after hearing this whole fiasco, I'll keep my 4x4 status and my amazing bump stop. The hell with lowering, I love taking hills at 50 mph and keeping the wheels on the ground.
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Old November 10th, 2011, 08:36 PM   #88 (permalink)
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Old November 11th, 2011, 01:38 AM   #89 (permalink)
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um...the instructions included with the prokits include a step where the bumpstops are cut......people have just decided to forego this particular advice from the instructions.....not sure it is absolutely necessary, but usually the stops need to be cut.....the instructions suggest cutting 1/4" to 1/2" off......the Sportlines actually come with shorter stops for the fronts, and you have to cut the rears.....
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Old November 11th, 2011, 01:45 AM   #90 (permalink)
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installed my sportlines 3 years ago and left bumpstops intact (off a buddies advice). i loved the ride. drove a year and half on 'em. it was smooth and responsive with no jarring and lowered the car to my expectations. i have MR's now and am really considering going back.
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Old January 26th, 2012, 01:30 PM   #91 (permalink)
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I've read this whole thread and I couldnt get a clear answere to whether to buy sportline springs or not. My question is, do they work well with the oem struts, and if so does the sportline springs have any negative effect on the oem sturts? I dont wanna buy these springs then turn around and have to buy struts.

(sorry for my ignorance, I dont know much about my Eclipse but I'm learning thanks to these forums =) )
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Old January 26th, 2012, 02:28 PM   #92 (permalink)
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MACH1219 is an unknown quantity at this point
I wouldn't worry about quality springs (H&R, Eibach) wearing out your struts. I've lowered 5 different cars now, and have yet to have any strut issues, including my eclipse, which has currently been rocking sportlines for 10 months now with no issues.

However, if you live in an area with bad roads, harsh winters, lots of pot holes, etc...i would say stick with the pro-kit

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Old January 26th, 2012, 05:38 PM   #93 (permalink)
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Alright coo, the winters arnt too bad here and not a whole lot of pot holes.
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Old March 18th, 2015, 05:21 AM   #94 (permalink)
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Progress SportlineDrop Spring Rate

I put a set of BC BR Coilvers 3 months ago
springs are 6kg front & 8kg rear
after doing some testing, i feel its also too soft
just exchanged them last month 8kg front & 6kg rear for now
but still not hard enough

now im thing to buy some new springs
car is major in hillclimb & track
anyone has some spring rate recommondations??
thx
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Old March 29th, 2015, 02:22 AM   #95 (permalink)
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Progress SportlineDrop Spring Rate

I put a set of BC BR Coilvers 3 months ago
springs are 6kg front & 8kg rear
after doing some testing, i feel its also too soft
just exchanged them last month 8kg front & 6kg rear for now
but still not hard enough

now im thing to buy some new springs
car is major in hillclimb & track
anyone has some spring rate recommondations??
thx
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Old February 2nd, 2016, 11:03 PM   #96 (permalink)
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Quote:
Originally Posted by dr07gs View Post
Progress Technology Springs:
Front Rear
1.7" 1.8"
255 lbs. 210 lbs.

Eibach Sportline Springs:
Front Rear
1.8" 2.0"
314 lbs 257lbs

Now you know why the ride sucks especially if you are on stock struts. What's even worse is that with those stiff springs, your struts will blow out a lot sooner.

This is why I went with Progress springs. BTW, someone should probably sticky this info because you'll never find these numbers by googling. I had to call both manufacturers. Eibach put up a fuss because they don't like to just give out this kind of info.
Hey, I want the h techs, is there anything thing else I will need to buy besides the springs. I know about the wear and tear later on down the road.
What I'm asking is, can't I just buy the springs and have my mechanic dude put them on?
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Old February 3rd, 2016, 04:46 AM   #97 (permalink)
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^ All you need is the springs, and an alignment like a week or two after the springs have settled.
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