Intalled: SWIFT Springs / 15mm spacers / Z1 Star Specs

[jona31]

Originally Posted by ZK

In my experience, the high speed dampening with the stock GSR suspension is very lacking and feels floaty with no road feel at all on track. Fast transitions are an issue and too much body roll. Do you think the Swift springs will help with that?

From what it sounds like, you are saying it would actually make it worse?

Yes, that is what I would hypothesize. I do not think the Swift springs (or any other lowering springs currently on the market 'designed' for stock stocks) would resolve the issues you mentioned. I would be happy to be proved wrong though...

[AJsGenerX]

I hope you are running extended studs for the 15 mm spacer set up. Not very safe. The car looks great though!

[jona31]

Originally Posted by Lancerlover

I hope you are running extended studs for the 15 mm spacer set up. Not very safe. The car looks great though!

The GP Sports spacers are mounted by threading the spacers through the original studs and then tightening them down against the hub with a set of locking nuts that come with the kit. At the same time, a new set of studs that comes with the kit are inserted through different holes from the back of the spacers and used to mount the wheels. In actual fact, the new studs were too long as they allow for provisions to add additional 3mm and 5mm spacer plates (up to 25mm I think) so they had to be cut slightly.

A few of my teammates including myself have tested these extensively in rigorous racing conditions so I hope they will stand up for street use!

[AJsGenerX]

hahaha...good job. Sounds like a great kit.

[lowkey]

Originally Posted by SmikeEvo

Spring rate wise:
Stock GSR (and I think the MR have the same rates): 3.5k front, 2.8 - 3.7k rear, 0.0" / 0.0"
Swift Sport Mach: 2.7 - 4.3k front, 2.3 - 4.4k rear, 1.0" / 0.6"

So, the Swift fronts are progressive and stock not?

[wongck]

Love your car! Is modding in HK expensive?

[GTWORX.com]

This is one of the best reviews I've read on a suspension part in that it covers all aspects and is 100% honest. Thanks for that. Car looks great by the way.

For more on roll centers and rake, this thread here has some pretty good discussion and even some MS Paint diagrams by yours truly.

Everything You Ever Wanted to Know About Rake

- Andrew

[jackygor]

Originally Posted by wongck

Love your car! Is modding in HK expensive?

yes, because only the the average upper class can afford a car. You don't really need a car in hong kong as the public transit is pretty good convenient already. The aftermarket part vendor knows this, so they usually jack up the price.

[s.e.a.n.]

Awesome write up man.

[Tractionlimit]

Originally Posted by jona31

The GP Sports spacers are mounted by threading the spacers through the original studs and then tightening them down against the hub with a set of locking nuts that come with the kit. At the same time, a new set of studs that comes with the kit are inserted through different holes from the back of the spacers and used to mount the wheels. In actual fact, the new studs were too long as they allow for provisions to add additional 3mm and 5mm spacer plates (up to 25mm I think) so they had to be cut slightly.

A few of my teammates including myself have tested these extensively in rigorous racing conditions so I hope they will stand up for street use!

Anyone know if these can be purchased in the US, and if so, with the centering rings?

[ZK]

Originally Posted by Tractionlimit

Anyone know if these can be purchased in the US, and if so, with the centering rings?

You can buy the Ichiba spacers here in the US with hubcentric rings.

[Tractionlimit]

You can buy the Ichiba spacers here in the US with hubcentric rings.

Thanks, any idea who carries them?

[ZK]

Originally Posted by Tractionlimit

Thanks, any idea who carries them?

Touge Factory, which is a vendor on this forum, carries it. You can find many places that sell it online as well. Make sure you get the hubcentric Version 2 ones that bolt on for the Evo.

[gunzo]

Originally Posted by jona31

RIDE QUALITY: at slow to medium speeds, especially over uneven concrete roads or if there are small ruts, expansion joints, etc. the extra ride stiffness is more pronounced. At higher speeds, the ride actually feels slightly softer than stock which I believe relates to my next point about body control.

BODY CONTROL: I tested the car through a sequence of flowing medium - high speed (top 3rd gear to mid 4th gear) corners. This route happens to be on the side of a mountain and while most of the surface is smooth asphalt, there are a lot of undulations, on/off camber surfaces and minor bumps to upset the balance of the car.

There is no doubt in mind that body control is compromised with the current setup at high lateral load conditions. If you throw in a mid corner bump, the sensation is such that you would probably want to try and increase a bit of rebound on the shocks (if this were an option) to ‘tie’ the car down better. Simply stated, the car feels a tad too soft and body control slightly imprecise.


RIDE HEIGHT: very pleased with this. The ride height is exactly what I’m looking for.

It is difficult to quantify what the effects I mentioned above might translate in terms of lap time because there are simply too many other variables involved but from a driver confidence point of view, it is not an ideal situation if you are often driving on the limit or trying to extract the maximum out of your car. Conversely, if you mostly drive your X at sane speeds on roads (like me), the huge improvement in aesthetics may be enough for most to forgive the slight compromise in body control.

Best,
J

Are these springs variable rate? If they are, that accounts for the imprecise handling you're experiencing at moderate speeds ..

Nice picts and excellent drop height .. Swift nailed the height for a nice look

I just ordered mine

[Tractionlimit]

There is no doubt in mind that body control is compromised with the current setup at high lateral load conditions. If you throw in a mid corner bump, the sensation is such that you would probably want to try and increase a bit of rebound on the shocks (if this were an option) to ‘tie’ the car down better. Simply stated, the car feels a tad too soft and body control slightly imprecise.

So is this in comparison to the stock spring setup, or an 'ideal' suspension setup?

Are these springs variable rate? If they are, that accounts for the imprecise handling you're experiencing at moderate speeds ..

I like the ride height, but honestly I'd really hate to mess up the handling on a car that I spent $35K on because of how it handles. Is this the best option in a lowering spring? I really appreciate the honest review, but I now have a bit of a dilema in trying to decide how to lower my car.