16 PP1 Handling mods

[iPrey06]

2016 GT performance pack 1.

Anyone can give me advice on what few mods I can add that would tighten up the handling?

I assume, but not sure, that the pp1 additions already there are decent.

I don't need a Track car.. but there are plenty of back roads around here that she likes to corner.

Just feel that I could make it tighter over all.

Thought I might start with the Steeda Rear Subframe Support Braces.

Any knowledge you guys could bestow upon me would be appreciated.

Or at least point me to a thread that this has already been talked about.

Thanks!

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[2017GBGTPP]

The braces and bushings are a must, they completely transform the stability of the car.

 

[NightmareMoon]

The braces and bushings are a must, they completely transform the stability of the car.

Yeah, definitely not a must. They’re kind of the last things as far as measurable impact goes.

For handling:

1) Tires - the only thing that touches the road and the limiting factor for grip. May include stepping up in wheels width to support the tires w/o loosing feel. Big tires on narrow wheels feel squishy, slow to respond, and generally vague. Prioritize sticky tire compounds, not size (although size helps a small amount, particularly with heat)
2) Alignment - see tires
3) Shocks - controls weight transfer in transition and keeps the tires stuck to the road. Also the wear out (and a ‘16 probably has enough miles they’re likely worn out)
4) Camber plates (for more camber) - see tires. More than stock camber really has a big affect on grip in corners (at some decrease to straight line grip and street tire wear IF you go too far.
5) Swaybar and or springs - controls the amount of squat/dive and body roll you’ll see. Not bad for the ride if you don’t drop it more than 3/4” and don’t mismatch stiff springs with weak shocks
…
Last) then all the braces, bushings, and everything else, which can make the above parts work /fractionally/ better if you have the above covered already.


Doing braces first and leaving tires and shocks for last is completely backwards if you actually want handling gains. My car records Gs over 1.3g regularly (close course, not on the street), and I worked up to these limits by upgrading Tires, alignment, shocks, sways and then eventually wider wheels, springs, even better shocks. I have literally no additional braces and only a couple bushings replaced.

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