Question about Suspension for going FI

[derklink]

Hi,

I have a 2016 GT Premium Auto which will be procharged next year. Car is my DD except for the winter months. Planning on running low boost (6 or 7 psi) and not racing the car. Why the heck am I going FI you might think? Reason is I have access to a kit at a price point where it would be stupid not to do it.

I am currently on stock suspension which is nice for longer highway trips but who are we kidding, car floats like a turd in a pool. I have BMR CB005 and Performance Pack shocks and springs, and a set of GT350 style aftermarket wheels with MPSS 275/35/19 front and 305/35/19 rear sitting in my basement.

Question is: Will this setup be good enough for putting the power down? Where I live, the roads are not that great, so I can't lower the car that much. I don't want to either, not a fan of a slammed look, but a little drop would look nice I think. I don't know if I should try the PP shocks and springs that I have laying around first (I believe they don't drop the car at all?) and see how it goes or should I get some aftermarket springs right away?

Right now, I am between BMR SP082 (what is the drop on these?) and SP089 (0.5" drop right?) vs. Steeda Minimum Drop Lowering Springs - Linear (0.5" all around). What would you recommend? Also, would I need a Bushing Kit?

Thank you for your comments!

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[hinch]

get it on some coilovers something sensible priced but still good enough like pedders is fine unless you regularly track the car

 

[Steeda Tech JohnC]

Hey Derklink, we made the Min drop springs just for situations like yours, bad roads up north because the weather, my co worker has them on his daily since mid summer and lives on a dirt road in palm beach, he loves them on the car. they give great handling without sacrificing ground clearance, and give a good planted feel to the car

 

[BmacIL]

Hi,

I have a 2016 GT Premium Auto which will be procharged next year. Car is my DD except for the winter months. Planning on running low boost (6 or 7 psi) and not racing the car. Why the heck am I going FI you might think? Reason is I have access to a kit at a price point where it would be stupid not to do it.

I am currently on stock suspension which is nice for longer highway trips but who are we kidding, car floats like a turd in a pool. I have BMR CB005 and Performance Pack shocks and springs, and a set of GT350 style aftermarket wheels with MPSS 275/35/19 front and 305/35/19 rear sitting in my basement.

Question is: Will this setup be good enough for putting the power down? Where I live, the roads are not that great, so I can't lower the car that much. I don't want to either, not a fan of a slammed look, but a little drop would look nice I think. I don't know if I should try the PP shocks and springs that I have laying around first (I believe they don't drop the car at all?) and see how it goes or should I get some aftermarket springs right away?

Right now, I am between BMR SP082 (what is the drop on these?) and SP089 (0.5" drop right?) vs. Steeda Minimum Drop Lowering Springs - Linear (0.5" all around). What would you recommend? Also, would I need a Bushing Kit?

Thank you for your comments!

BMR SP089 (0.8" drop...sounds like more than it is) and SP082 (0.5" drop) with Steeda billet shock mounts. Stick with the PP shocks and struts, they pair very well with these springs.

 

[derklink]

Thank you all for your prompt input! I think coilovers are a little too much & pricey for my needs. The car will probably never see a track. I take it that nobody recommends sticking with the Perfomance Pack springs, huh?

Really between BMR and Steeda now. Interesting that BmacIL mentioned the shock mounts...would have never guessed that the factory ones are that much inferior that it makes sense to swap...which would be the right ones? 10mm-1.5 Rear Shocks , 12mm Rear Shocks, or 10mm-1.0 Rear Shocks?

 

[ahl395]

I have the GT350R front and BMR SP085 rear springs and I have been very happy with the setup. Lowered but not excessively.

I also have Steeda Pro-Action shocks, but if Bmac thinks the PP ones are good enough, listen to him

Steeda rear shock mounts wont help much with traction but it will make the ride quality a little better. If you go on Steeda's website they list which sizes are made for which shocks.

The CB005 will help you with traction the most. I also did the differential bushings when I did mine and it made a huge difference. Personally I went with the red Steeda ones.

 

[BmacIL]

Thank you all for your prompt input! I think coilovers are a little too much & pricey for my needs. The car will probably never see a track. I take it that nobody recommends sticking with the Perfomance Pack springs, huh?

Really between BMR and Steeda now. Interesting that BmacIL mentioned the shock mounts...would have never guessed that the factory ones are that much inferior that it makes sense to swap...which would be the right ones? 10mm-1.5 Rear Shocks , 12mm Rear Shocks, or 10mm-1.0 Rear Shocks?

The 10x1.5 mm ones.

The factory ones constrain the shock shaft with a rubber bushing. It actually binds up the damper in low displacement inputs. The Steeda mount has a spherical bearing which lets the shock articulate freely. The ride is overall more supple and it reduces highway bounciness. Regarding the springs, the mild lowering of something like the 089/082 setup does wonders for handling and dive/squat under acceleration and braking, but without compromising ride quality. Most find them just as, or more comfortable than stock PP springs. They look great, too

 

[derklink]

Thanks, guys! :cheers:

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