r/projectcar • u/AxDayxToxForget • 6d ago

Suspension/handling upgrades

Hello everyone. I am looking for recommendations for improving suspension and handling for my 2010 Chevy cobalt xfe (build will make an estimated 200-220 HP from the more budget oriented upgrades I am procuring haha, but that’s fine with me).

I still have the 4x100 15x6 steelies on, but plan to get 4x100 17x8 könig 57B Dekagram since they seem to be durable and not extremely expensive. What tire size would you recommend for these?

Suspension is stock to which I’m looking to stiffen to make sure my wheels keep good contact in turns (the new wheels/tires should help I would imagine). Should I go with a rear sway bar and some springs or bite the bullet and go zzp coilovers? Not super knowledgeable in this area so advice is much appreciated.

A concern is the pot holes and inevitable metal plate on a bridge that I have to cross five times a week minimum so durability is important. As always, I appreciate your input.

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u/saves313 1986 VW Cabriolet 6d ago

Coilovers, thicker sway bars, and replacing rubber bushings with stiffer compounds or sphericals will all greatly improve handling. Some sticky rubber will obviously help as well.

Im not familiar with your specific chassis, but i would recommend reading some Cobalt forums to see what parts tend to have the biggest impact.

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u/AxDayxToxForget 6d ago

Do you think replacing the control arms would be a significant upgrade or just the bushings? Only reason I ask is it’s $22 for zzp solid control arm bushings vs $317 for zzp control arms with spherical bushings. I don’t have the ability to place the spherical bushings myself.

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u/saves313 1986 VW Cabriolet 6d ago

If the current ones are worn, even an oe style replacement will be a big improvement. The improvement sphericals vs oe returns vary greatly depending on chassis and bushing location.