Smooth ride please

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Rustypinin
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Hello everyone,

I own a 2000 pinin 3 door 1.8 gdi. Only 38000m, nothing looks faulty.

The ride quality is awful (I have driven several hundred different cars so I compare fairly).

Are there  other springs that can improve this please?

Did later or 5dr pinin have progressive coils-will these fit ok?

Do the bilstein or h+R springs improve matters (or like most aftermarket mods make it worse )?

The roads and potholes here do not help-however other cars cope better. I am not bothered about looks-being stylish!

Happy pinin motoring.

 

 

fordem
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Define awful.

What exactly are you looking for in terms of ride? 

Do Bilstein and H&R offer anything for these vehicles?

Why do I get the feeling I've asked you these questions before?

I wouldn't claim to have driven several hundred cars (and I've been driving for over four decades), but certainly a few dozen, and for what it is (a compact SUV), I'd say the ride quality is not bad, assuming the suspension is in good condition - it's a little softer than I like, but that is a personal preference, and there are occassions on which that is an advantage - ever had to make a run over a corrugated stretch of road?  I would not want to do that in a vehicle equipped with H&R springs (yes, I have personal experience with them) - it would probably shake your teeth loose.

Rustypinin
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Hiya, It was my job to

Hiya,

It was my job to deliver diagnose etc all types of new and used vehicles of all manufacturers. I may go into R+d testing eventually.

I've not really addressed looking into a solution until a few days ago. we are all so busy nowadays.

Part of the problem are the poor road surfaces here.

Some manufacturers drive disguised development vehicle's on UK roads to produce a set up to suit that environment, Mercedes had problems with the A-class and had to do it after launch -no one is  perfect!

The idea is to make the vehicle more settled, controlled and  composed......

Owners can do improvements, learn, adapt,, overcome...

Happy pinin motoring!

Rustypinin
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The bilstein springs are

The bilstein springs are under the B3 listing and are progressive. PDF file looong/.detailed..

As you say the H+R are stiffer (30 mm lower) but are progressive also .

Progressive type is common to many vehicles. The only downside can be failure at weakest point.

Happy pinin motoring!

fordem
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Not a whole lot of information there, and no detail at all.

Just part numbers, for a rear shock that's specified for the entire range - 1.8/2.0, 3/5 door, and springs for the 2.0 (which will fit the 1.8, but for some reason known only to Bilstein are not intended for it).  None of the vital statisics are present - free length, wire size, coil diameter or spring rate, and no details on intended usage - are they meant to be OE replacement, lowering springs or lift springs.

Back to your definition of "awful" - are we to assume you're blaming the vehicle for the poor road surface?

There isn't a whole lot you can do on the vehicle to compensate for a poor surface - what tyres & pressures are you running?  A smaller wheel with a higher profile tyre will put more sidewall between the rim & the road, but I believe anything smaller than the OE 16" rim will foul the calipers and anything taller than a 215/70R16 will foul the spring pan - many people, for whatever reason, run higher pressures than necessary - Mitsubishi recommends 26 psi (1.8 bar).

As mentioned earlier, I find the iO to be quite "softly" sprung - the OE front coils, are probably the longest, softest, largest diameter coils I've seen on an SUV, I can actually hold them in my hands & compress them - brand new OE coils, and I'm not exactly superman - a shock/strut combination with less damping might help, but I think it would ruin the ride, it's already on the soft side - it will wallow with less damping.

fordem
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OE Replacement

I found, on Demon Tweaks web page, the statement that the Bilstein B3 range are "direct replacement for the OE springs" - I wouldn't expect any significant improvement in ride quality - that is, assuming the existing springs aren't shot.  Coil springs do sag over time, and given the softness of the front coils, sagging is a distinct possibility (it is the reason I replaced mine), but apart from a slighty lower ride height, I don't foresee sagging coils causing a ride quality issue.

Rustypinin
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The front spring design seems

The front spring design seems to be ok. The rear however has little travel and droop (miniblock type). Ideally manufacturers would use a design with extra large diameter coils and long travel. Cost and space etc dictate otherwise usually. The original range rover, ro80, 2cv, etc had long travel and good axle articulation. Softer ride usually translates to better off road capabilities -wheels need to be in contact with the ground to be useful. I suppose owners on here have carried on development to suit their  own needs/improvements-nice! 

A series one land rover is not nice to be in off road -speed is limited offroad by the punishment the occupants internal organs can withstand! This is what marks out modern cars -the ability to cover long distances easily and tirelessly. On and off road.

Air suspension/hydraulic is ok off road when working. However it is not reliable long term, expensive to repair and rarely has perfect on road manners.

Manufacturers can spend millions and still get it wrong.....

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