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Discussion Starter #1
Another try, anyone who can share experiences with coilovers on the MDX G3?


In this topic:

http://www.mdxers.org/forums/94-third-generation-mdx-2014-present/102530-megan-adjustable-coilovers.html

about 8 months ago I asked for any experiences with coilovers on the G3 MDX as I didn't like the way the suspension on my 2014 MDX works..
I an NOT your average driver, I like to push the car regularly..


Over the last year of owning it, the MDX has grown on me on many levels and I like it, but the way the suspension acts (hard on small bumps and way too soft on bigger bumps and how the car leans and wobbles in fast corners) is irritating me more and more.. to the point that I am seriously starting to consider selling it if nothing can be done about this.


Last week I drove a 2015 Alpina XD3 (yes, I know smaller size and different class SUV, but same weight)..
That car has Alpina's adaptive suspension (as in: shocks with oil that changes viscosity depending on shock travel) and man... what a world of difference compared to the MDX.


The XD3 doesn't bounce, doesn't thump, flattens out bumps perfectly and doesn't lean.. this is how I want suspension to work!!!

It's suspension felt quite similar to the New Type-S suspension on my NSX, but a bit more forgiving/ more comfortable, so perfectly suited for sporty daily driving "my style" :wink:

I am now looking at BC-Racing Coilover Kit BR-RA as last possible attempt on the MDX to change things more in the direction that I want, but before doing this I again would much appreciate any experiences by others who have these, if any, for reason that if they do not improve things, it will be 1K in the trash as here in Europe where I live, the MDX is unknown, so the coilovers will be unsalable here if I don't like the result.

ANYONE????.
 

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The MDX will never be a NSX. Since you're fortunate enough to have a NSX, I'd say leave it alone.


That aside, I would be surprised if the coilovers helped handling. I think they are used almost exclusively for people who want a certain "look" and they actually degrade handling performance.


Have you driven the MDX Sport Hybrid? Those have active dampers, and they may be closer to what you want?
 

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but the way the suspension acts (hard on small bumps and way too soft on bigger bumps and how the car leans and wobbles in fast corners) is irritating me more and more..
The XD3 doesn't bounce, doesn't thump, flattens out bumps perfectly and doesn't lean.. this is how I want suspension to work!!!
.
Adaptive suspension is the only "Shock Absorber" system that can help control lean. Any conventional damping system does not have that ability. Larger roll bars are about the only bolt-on fix, and that will make the ride harsher.

Using coil overs *can* give you better damping control, but you are starting out with a grocery getter vehicle, and short of a five figure complete suspension changeover you are not going to see handling comparable to active.
 

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Discussion Starter #4
The MDX will never be a NSX. Since you're fortunate enough to have a NSX, I'd say leave it alone.


That aside, I would be surprised if the coilovers helped handling. I think they are used almost exclusively for people who want a certain "look" and they actually degrade handling performance.


Have you driven the MDX Sport Hybrid? Those have active dampers, and they may be closer to what you want?

I have very high standards and demands for a car.
And because of this, when buying the MDX as a gamble (liked it's rarity here and its daily usability), I didn't expect too much of it, but like I wrote earlier, it has unexpectedly grown on me, I like it much better then I expected.


As you may have interpreted by now, I am not your average driver, I have done loads of specialist driver training courses and also am a licenced racecar driver actively competing in our country's Miata race cup.
I often feel/ notice things in someones car that the owner never noticed/ wasn't aware of.

Here in Europe, the Acura brand and MDX isn't available (mine came here with an expat), so there is no possibility to try out other versions.

I have to disagree on your opinion on coilovers.

I don't care much about their ride hight adjustability, I will never lower a car more then 1 inch max as I don't want a belly/ spoiler scraper (OK, on the MDX that isn't an issue:wink:).
My personal experience is that good coilovers can improve things noticably (prefarably the ones where both compression rate and rebound can be set seperately) and if well designed.

I had KW3 on my MR2 Turbo, lowered it 3/4 of an inch, dialed things in and that improved roadholding a lot.

I have a CLK550 convertible (yes, I am very fortunate to own several nice fun cars), this is a US car that came here with an expat too, on which I didn't like the very soft comfortable Elegance version- and possibly extra soft US set suspension.
I put Bilstein B16 pss9 coilovers on it, lowered the car 1 inch, dialed in compression and rebound and it transformed the roadholding on that car.

Being able to set compression DOES change/ minimize leaning over in corners and improves stability a lot, I like that a lot better than changing to stiffer stabiliser bars which can make a car "snappy"/unpredictable in corners when breaking away in the wet

If these 2 forementioned manufactuerers made anything for the MDX, I would get it immediately, however there is almost nothing for the MDX.
Only Megan racing which seem quite cheap ones and BC which seems a little higher quality, but both only offer singular setting adjustment and I don't know either of these brands, also I cannot find anyone having personal experience on how these perform.

Just getting them as gamble at 1K US + shipping /import which will rise the price to at least 1.5K when here ...I am hesitant about.
 

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add a factory trailer hitch and drop the tire pressure 2 psi using a 1% calibrated pressure gauge. There is a noticeable difference on small bumps with the extra weight at the back. I was quite surprised at the difference it made, and somewhat suspect that Honda engineers used common accessory weights in their calculations. Also using tire manufacture calculators the 35 psi is slightly higher than needed as it gives a safety factor of considerably over 100% at gross vehicle weight and speed. An accurate 33 psi gives just barely over 100% at gross weight and speed so the pressure must be checked more frequently if this is used. Most pressure gauges are 5% to 10% so you can't use a cheap one. My TPMS reads 2 psi higher than the 1% calibrated 4" Wiki Gauge. E.G., the TMPS reads 35 psi when the 1% gauge reads 33 psi. The Honda 4" gauge is off by 2% as well. I believe it is a 10% - 5% - 10% gauge
 
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