Chevy Performance Suspension?

[Bondy]

Great Upgrade.

I just got done installing the GM performance suspension on a 1.4 LT.
This is a great upgrade to extract more fun, speed and handling out of your sonic. On stock suspension the suspension felt boring and didn't really feel connected and mushy..This feels a lot better and tightens up the chassis.

Now I have the DDM rear brace and the performance suspension and she feels good.

Install was a bit of a PITA with having to compress the front suspension. The coil compressor I used was available at Autozone where I bought it. I don't know why GM doesn't just offer this kit with the coils already installed with a top hat. The top hat is the only thing missing and wouldn't cost much more to include.

You need a 24mm offset wrench or pass through wrench for the front. This allows you to lock the shaft/strut with the torx bit while loosening the 24mm nut. The only place that I found that sells a 24mm pass through wrench was sears. Harbour freight, HD and Lowes didn't have them.

For the rear you need a 15mm offset wrench and a crescent wrench will do. Harbour freight has an offset wrench set for up to 19mm.

I used a battery torque wrench on the first coil compressor. It helped a lot until the bit broke in half from so much force. Keep that in mind if you are going to use one.

I think I paid $350 on eBay for this.. Well worth the money.

 

[Bondy]

There are three options: "FE1", "FE3(Sonic RS)" and "FE4". I have installed the GM Performance Suspension which replaces my 1LT - FE1 suspension. The GM Performance suspension is above and beyond the FE3. It contains new rear shocks, front struts and 20mm lowering springs. The issue in question, does the new GM Performance suspension (GMP) now carry the RPO designation of FE4? Or should those installing the GMP suspension use the FE3 specs? The FE3 to GMP upgrade includes 10mm drop via springs with upgraded rear shocks.

Clear as mud?


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Toe is the only adjustment component on our sonics right. Do you have your toe in/out set to 0? Or does FE4 imply other adjustments also?

 

[$ub$onic]

Toe is the only adjustment component on our sonics right. Do you have your toe in/out set to 0? Or does FE4 imply other adjustments also?

You can adjust toe and camber on the front and rear.

Front camber is done with camber bolts and the rear is done with shims

 

[CAMARO-TECH]

SG3 suspension

I ordered my 2016 Sonic RS with the dealer installed SG3 suspension package. I never dove a stock RS or been in one but i will tell you that it doesn't looked lowered due to the 10 mm lowering. It drives nice though. I rather GM went lower so it looks better riding down the road. I have no dislike though. It does handle grate, still getting use to the handling compared to my 98 camaro with almost fully upgraded suspension. Than again it does have a short wheel base. Still love the car.

 

[carsNskis]

10mm = 0.394"

It's not a lowering kit which confuses many looking fir moar low

 

[TECHSONIC]

I've got Toyo Proxys4Plus on Vector rims, and the car handles like crazy! I also have the rear stiffener from BNR, Ebock Lowering springs, plus the X brace and front supports from Piloto Racing, so they help greatly. The Proxs are affordable, and seem to be wearing well.

 

[2014 Blue RS]

I've got Toyo Proxys4Plus on Vector rims, and the car handles like crazy! I also have the rear stiffener from BNR, Ebock Lowering springs, plus the X brace and front supports from Piloto Racing, so they help greatly. The Proxs are affordable, and seem to be wearing well.

Is the ride super stiff? Thought about that X brace.

 

[carsNskis]

Is the ride super stiff? Thought about that X brace.

It's firmer than stock, not as firm as springs like Eibach. I daily 26k a year and it's great even with 18's and does great in the twisties and higher speeds.

 

[zippypcs]

Any of you that have replaced your struts, have you been able to re use the mounts or did you replace those as well??
I have 75k on mine and not sure if I should order the new mounts as well.

 

[$ub$onic]

Any of you that have replaced your struts, have you been able to re use the mounts or did you replace those as well??
I have 75k on mine and not sure if I should order the new mounts as well.

You should be able to reuse the mounts but with that kinda miles I would change them anyways

Sent from my S60 using Tapatalk

 

[zippypcs]

I am trying to decide if I buy the GM performance set for non RS or because I already have RS springs just new struts and shocks like I have.
Any thought?
Yes like to go around fast.

 

[$ub$onic]

I am trying to decide if I buy the GM performance set for non RS or because I already have RS springs just new struts and shocks like I have.
Any thought?
Yes like to go around fast.

With how cheap the whole kit is, I would just do that

Sent from my S60 using Tapatalk

 

[mitdr774]

With our roads I would just replace the mounts.

 

[zippypcs]

Ok that is what I will do then. Thanks.

 

[NORCAL SS]

Begore after with kit