Honest car modification guides. What every mod does, what improves, what gets worse — so you spend your money right the first time.
Everyone wants to go lower. But there is a point where lower starts hurting your car — handling gets worse, tyres wear unevenly, and the ride becomes miserable. Here is how to find the right drop for your situation.
It is completely understandable. Lower looks better. A car sitting flush to the arches looks purposeful and aggressive in a way that a stock ride height never does. And coilovers give you the ability to go very low — so why not use it?
Because beyond a certain drop you start sacrificing the things that make coilovers worth having in the first place. Handling gets worse. Ride quality deteriorates dramatically. Tyre wear becomes uneven and expensive. And in extreme cases suspension geometry goes so far out of spec that the car becomes unsafe.
When you lower a car the suspension geometry changes. The angles of the control arms, the camber of the wheels, and the toe alignment all shift from their factory specifications. On most cars 20-30mm of drop causes manageable geometry changes that a good alignment can correct. Beyond that additional components — camber arms, toe arms — may be needed to bring the geometry back within acceptable limits.
Always get a professional alignment after installing coilovers regardless of how much you lower the car. Driving on misaligned suspension causes rapid and uneven tyre wear — a set of tyres can be destroyed in 10,000 miles on a badly misaligned car.
The best way to set your ride height is to go lower than your target height first — then raise the car up gradually until it looks and drives right. It is always easier to raise a car than to lower it once you have driven it and realised it is too low.
Park the car on flat ground. Step back and look at the wheel arch gap — the gap between the top of the tyre and the top of the arch. For most cars the sweet spot is when the tyre sits roughly in the middle of the arch — not flush with it, not with a huge gap above it.
The practical test: After setting your ride height drive your normal daily routes including any speed bumps, driveways with steep angles, and rough roads you encounter regularly. If you scrape — you are too low. Raise the car 5mm at a time until you stop scraping. That is your real-world minimum height.
Honest car modification guides. What every mod does, what improves, what gets worse — so you spend your money right the first time.