Reduced Spring Rate: Cutting a coil reduces the number of active coils, which decreases the spring rate. This can result in a reduction in the car's overall suspension stiffness and can adversely affect handling, stability, and ride quality.
Compromised Structural Integrity: Cutting a coil weakens the structural integrity of the coil spring. The spring may become more prone to bending or snapping under stress, increasing the risk of suspension failure.
Unpredictable Behavior: Cutting a coil creates an irregular spring with an uneven load distribution. This can lead to unpredictable suspension behavior, potentially resulting in a rough or bouncy ride.
Warranty Issues: Modifying the coil springs by cutting them may void the manufacturer's warranty, leaving you without protection if any issues arise.
It's important to keep in mind that different vehicles and suspension setups have specific requirements for coil spring height. If your new coil springs are causing the car to sit too high, it's best to consult with a reputable automotive professional or suspension specialist to explore other options. They can evaluate the situation, provide suitable recommendations, and ensure the safety and proper functionality of your vehicle's suspension system.