DIY: A-Spec Suspension on ep3
If you're doing this in your garage I would suggest you support the car with some sturdy jack stands by the lift point on the underside of the car and use a floorjack with wood as a buffer. To torque the bolts with the suspension preloaded, use a floor jack with a short section of 2x4. Turn the 2x4 on its long side so it's more stable. When I do this at work I typically let the 2x4 rest on the studs. I never put the full weight of the car rest on the studs. The suspension should only need to compress an inch or two and the jack stands should always be in contact with the lift points. I only put enough weight to be sure that the bolts get tightened with the correct preload.
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