Fortune Auto 510 Series coilovers feature “Ultra” Double Digressive Piston (UDDP) with revised shim stacks, this “Ultra” Digressive piston allows for massive amounts low speed rebound force that helps with driver inputs such as dive, pitch and roll. Furthermore, the rebound force greatly tapers off to provide the driver with a supple and compliant ride while maintaining superior mechanical grip over rough surfaces. To put things into perspective the 500 series has a very respectable 3k rate swing of rebound adjustment. The 510 has an unheard of 8k. The additional cost is worth it if it’s within your budget, but both are great coilover sets. You end up with more digression, more adjustment range and an overall better coilover set. The additional cost is mainly down to more expensive pistons and more dyno time.
Coilovers are not a one size fits all part. To get the results you are looking for it is mission critical to choose specifications and options that are appropriate for your personal goals and priorities. Only a truly custom product like Fortune Auto allows you to do this. Sometimes choosing the right options can seem overwhelming, but Cygnus Performance, LLC has been helping customers with custom coilovers on a daily basis since 2006. We will be happy to spend all the time needed to help you with your coilover purchase. We will get you results that exceed your expectations the first time.
Like all Fortune Auto coilovers the 510’s feature one of the best warranties in the business as well as quick, inexpensive rebuilds in the USA. Not everyone thinks about these things when they are researching coilovers, but buying coilovers made by a manufacturer that does not offer good US based support can come back to haunt you. Fortune Auto’s support is second to none, so you can rest assured knowing that this is a product that you will only have to buy once. Cygnus Performance, LLC was one of Fortune Auto’s original dealers and now we are their master distributor. When you purchase through us you also get a lifetime of industry leading suspension tech support that will be here both before and after the sale and the quickest custom FA lead time available from any dealer!
Fortune Auto PRO Camber Plates
Beautifully made upgraded front camber plates that feature one degree of non-adjustable positive caster. These are made in-house by Fortune Auto using their Haas Automation CNC machine. Positive caster is very beneficial on these cars. It will give you better dynamic camber characteristics which translates into more front end grip and longer tire life. Positive caster also greatly improves both on center steering feel and straight line stability. Offset camber plates are definitely the best way of adding positive caster to your car. We have seen offset LCA bushings fail countless times, and we’ve never seen a problem with these camber plates a single time.
Only available on double wishbone suspension applications. This would include the rear suspension of any 2008 plus Subaru as well as many other applications. This changes the material of the shock insert from steel to aluminum which has three major advantages. The first is it is lighter weight, the second is aluminum is very corrosion resistant and the third is aluminum does a better job of dissipating heat. The heat dissipation is particularly beneficial with double wishbone suspension since double wishbone coilover assemblies are typically shorter in length and therefore lower oil capacity. A worthwhile upgrade if it is within your budget.
Heim Joint Upgrade
Replaces standard lower mount bushings with spherical heim joint bearings. This removes all unwanted play between the shock assembly and lower control arm. If you track your car this upgrade will give you noticeably better handling. It’s difficult to articulate the difference you feel from the driver’s seat, but essentially you feel more connected to the car. When you are driving at the limit it will be a more confidence inspiring experience.
On some applications it is not possible to reach the rear damping adjustment without removing the back seat. Rebound extenders extend this rebound adjustment and allow you to more easily access it. On most typical sedan applications the extenders allow you to access the adjustment via the trunk.
Swift and Hyperco Spring Upgrades
Upgrading to one of these two brands has many advantages. Swift and Hyperco make the highest quality linear coilover springs in the world. They offer more accuracy than generic springs which essentially means they match their advertised rate and do not deviate much from this rate throughout the entire range of compression. More accuracy provides significantly better handling. The car will feel very consistent whether you are turning left or turning right. Transitioning from corner entry, to mid-cornering to exiting a corner is all very predictable and consistent. They also have less rate distortion which means the spring rate does not increase very significantly as the spring is compressed. This gives you considerably smoother ride quality. Extremely high quality spring steel coupled with extensive cycling and testing at the factory means that both of these brands are much less likely to settle or sag than lesser springs. Years down the road these brands typically provide exactly the same smooth ride quality and exceptional handling that they did out of the box.
A spring seems like a simple component because it’s just a single piece of steel, but the reality is this is the second most important component on your entire suspension after your damper. Building a high quality, accurate spring requires decades of expertise which most manufacturers do not have. Cygnus Performance, LLC is proud to be a top level master distributor for both Swift and Hyperco. If there is one upgrade to get this is the one. If you have questions about which spring brand or spring rate is best for your goals we are happy to help!
Self Locking Lower Mount Collars
Cygnus Performance includes this upgrade both front and rear with every set. You no longer need to tighten your lower mount locking collars with a hammer and screwdriver. An allen head cinch bolt quickly and easily locks ride height into place.
Remote Damper Controller
Also known as RDC this option gives you the ability to adjust all four dampers from the driver’s seat with the touch of a button. It features three separate user defined presets. This option can also be retrofitted in the future, so it’s a great option to be aware of whether you choose to add it to your initial coilover purchase or not. Being able to press a button and have all four shocks set to your preferred comfort, race or daily setup definitely beats getting out of the car and counting clicks. Very few of our competitors offer something similar.
There is no additional cost to customize spring rates, and unlike most other coilover brands Fortune Auto valves their shocks to match your desired spring rates. For most applications the Fortune Auto default rates are the most popular choice. Typically they do everything well. The default rates are soft enough that daily driving remains comfortable and stiff enough that the handling will be considerably better than stock with significantly less body roll. The default rates are also stiff enough to allow for a fairly aggressive drop in ride height. The default setup is a good compromise between all of these attributes, and it’s the most balanced setup. Coilovers are not a one size fits all product though, and that is why the custom rates are a no cost option.
Writing a spring rate technical article lengthy enough to address all possible scenarios is beyond the scope of this description. If you have specific questions that are not addressed here please feel free to send us a message. The president of our company, Geoff Parnum, who has nearly 20 years worth of custom coilover experience will personally help you determine the best possible rates for your goals and priorities. In short, if smooth ride quality for daily driving is a top priority you may want to consider softer spring rates than the default. How much softer to go is application dependent, but normally a 1k reduction in rate is sufficient. The downside of softening the rate is more body roll, but handling will still be considerably better than stock. If the best possible handling and minimal body roll are your top priorities you may want to consider going with a stiffer rate than the default. There are many factors involved in determining how much to increase rate for the best possible handling. The stiffer you go, the harsher the car will be on a bad road for daily driving. The final thing to consider is front to rear bias which affects the overall neutrality of the car and whether it is going to understeer or oversteer.
Choosing appropriate spring rates is absolutely mission critical to getting the results you are looking for with coilovers of any kind. Cygnus Performance takes the guesswork out of spring rates, and we even guarantee that you will be happy with our rate recommendation or we will sell you replacement springs at half cost anytime in the future. With just a few quick questions we will get you results that exceed your expectations. Don’t let a generic performance parts shop give you bad advice. Let Cygnus Performance, an industry leading suspension specialty shop, get you the results you’re looking for the first time.
Here are the metric/imperial conversions for some common spring rates:
5 kg/mm = 279.987073 lbs/in
6 kg/mm = 335.984488 lbs/in
7 kg/mm = 391.981902 lbs/in
8 kg/mm = 447.979317 lbs/in
9 kg/mm = 503.976731 lbs/in
10 kg/mm = 559.974146 lbs/in
11 kg/mm = 615.971561 lbs/in
12 kg/mm = 671.968975 lbs/in
13 kg/mm = 727.966390 lbs/in
Cygnus Performance purchases Fortune Auto coilovers 150 sets at a time in order to be able to offer you both quick lead times and custom colors. For aluminum parts we use exactly the same bright dip anodizer as Fortune themselves uses, and for steel parts we use the same high quality powder coat. Because Cygnus Performance uses the same quality finishes as standard color Fortune Auto coilovers Fortune Auto will fully warranty our custom color coilovers. There is no downside. You get the same great quality and support, and we don’t even charge extra for these custom colors. Our custom color options are just cosmetic, but they allow you to get coilovers that perfectly match your personal taste and build. The colors and finishes really are beautiful. Pictures don’t do our bright dip anodizing justice.
Radial Bearing Upgrade
Cygnus Performance includes a Koyo Japan radial bearing upgrade on all applicable applications for free (front McPherson strut applications). This radial bearing upper spring perch allows the shock insert and spring to rotate freely against the upper spring perch which both improves steering feel and eliminates spring bind popping noises.
Self-locking Lower Spring Perch
Cygnus Performance includes this upgrade both front and rear with every set. You no longer have to struggle with spanner wrenches and multiple collars. A simple allen head cinch bolt will quickly and easily lock preload in place.
Cygnus Performance X-1 Coilovers
Want even more upgrade options? Consider our upgraded private label version of these coilovers. These will expand the custom options to include European style digressive valving, rubber top hats, long travel options, stock ride height options, heavy duty motorsport camber plates, proprietary custom rate Hyperco springs and even Penske external reservoirs. We are constantly testing, researching and developing to create the best possible affordable suspension solutions on the market. Click here for additional information
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