My Evo r GT wing crash by its downforce during high speed

Rusty

It's one of the best. BUT you have to make your own uprights. The uprights that I've seen on the cup cars goes through the hatch and mount to the chassis.

Here's a thread you should read.

Aero and Suspension Tuning With True Type Coilovers

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chendaxian888

very good articl that I can't even understand well. So I need a new rear spring setup after I got a new wing, is that what the article about?

Rusty

If you add aero in the rear. You have to add aero in the front. You have to change your spring rates to suit. You have to balance out the car. It's not simple. On the rear wing. A half of a degree in attack angle can make a big difference in how a car handles. 2 degrees and you could stall the wing out and just have it act like a big parachute.

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