what are the pros and cons of a coil over suspension, how will it ride on the street?

 

cons... cost. It's going to involve a bunch of parts to do right.

Pros... everything else. rides better, handles MUCH MUCH better, easy ride height adjustment, simple spring changes, reduced weight, super high wheel rate @ low spring rates... I could go on.

Get a maximum motorsports kit. Save yourself the headache and just get the best there is. MM. You'll need (for the front), CC plates, CO kit, springs at a minimum. I'd have them put together a kit including front and rear coil over setups with tubular A-arms and RLCA's, and a panhard bar. You'll have to re-learn how to drive the car. It's definitely going to be way different.

Make sure you pick a spring package suited to your actual use case. Don't put drag springs on if you're always on the street. I'd go all the way to a 350# front spring on bilsteins up front with the MM kit. Take their recommendation for the rear spring.

EDIT: don't forget, your stock shocks and struts are NOT up to the task.

My car runs a full MM Max Grip box. It's set up more for really aggressive street to mild track use so it's not as comfy as most MM cars but it's not punishing by any means. You'll normally find a good hot street setup to be firm but compliant. Not unlike a car with regular sport level lowering springs as far as ride quality, but handling potential is out in space though so it's totally worth it.

 

Like R3d said, the only con I can think if is the cost. it will cost a little more than installing lower springs because you will need to get a good set of shock (i have koni's) and you must get 4 bolt caster/camber plates. It's well worth the money and i would only go with maximum motorsports.

 

I'd definitely stick with the MM stuff, I've got UPR stuff under the front and am slowly changing it over. Just do it right the first time and you'll save a lot of money.

 

I'm getting ready to do QA1 coil over struts along w/their C/C plates, and bump steer kit.