How to hand-build a suspension system for high-performance vehicles

Fortune Auto develops race-winning, performance suspension systems for Japanese and European vehicles. The advanced suspension technology found in our Fortune Auto Coilovers dampers is derived from successes in World Challenge, Redline Time Attack, Formula Drift, One Lap of America, NASA Racing Series, along with being the official suspension supplier of Global Time Attack. Research and development on the racetrack allows us to deliver the best suspension system on the market which optimizes comfort, reliability, and performance.

People ask us: “How do you do it?” Here’s a proven process to make sure your project goes well the first time.

STEP 1: PROTOTYPING The design and prototyping phase allows you to develop a finalized product that fits just like its OEM counterpart. Numerous measurements and data points are taken to ensure fitment and function are always spot on.

STEP 2: ENGINEERING Turn your prototype parts into CAD models. Then, extensively test them using Finite Element Analysis. This insures a properly engineered part that can withstand the rigorous loads of race use.

STEP 3: MACHINING Parts are machined from CAD models utilizing CNC Lathes and Mills. Then, they need to be heat treated or coated for strength and longevity. if you do not have access to this kind of equipment.

STEP 4: CUSTOM VALVING This ensures that each shock absorber is built correctly, taking into account the selected spring rates, vehicle dynamics and intended usage.

STEP 5: ASSEMBLY After piston assemblies are custom valved, the rest of the shock is assembled. There are over 100 individual components that come together in 1 shock absorber.

STEP 6: DYNO TEST AND QUALITY CONTROL The shock dyno confirms if the shock is built within spec and if it is matched to tolerance (shocks are matched right to left within 3%). The final phase is quality control.

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