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Suspension | Chassis | Brakes -- Sponsored by 949 Racing Relating to suspension, chassis, and brakes. Sponsored by 949 Racing.


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Old 09-13-2014, 12:17 AM   #1
gt8613
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Cayman like performance?

What would it take ( amount of money and a list of parts) for the twins to perform on par with Porsche when it comes to handling.
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Old 09-13-2014, 12:28 AM   #2
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More than buying a used Cayman S.
PS - Good luck with the transmission
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Old 09-13-2014, 01:17 AM   #3
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Ask the CSG guys...


And no, Fastbrew is wrong
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Old 09-13-2014, 01:21 AM   #4
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Ask the CSG guys...


And no, Fastbrew is wrong
Well, I guess he did say handling and not performance. So - open for discussion
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Old 09-13-2014, 01:30 AM   #5
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Not to mention the maintenance on the Porsche will suck you dry...
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Old 09-13-2014, 01:45 AM   #6
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My stab understanding that "handling" is highly subjective

1) Wheels - do not go too big. 17x9 works fine.
2) Tires - sticky them up a bit
3) Brakes - you can actually get away with some stainless cables, a master cylinder brace and some better pads. Braking is awesome - especially if you lose a little weight here and there.
4) Don't worry about a sway bar in the rear - stay stock or even find something smaller than stock.
5) Coilovers - even a set of something like Feal 441s do wonders. Don't over lower - maybe just less than an inch.
6) The rear likes to be a bit soft. Let the coilovers do their job.
7) You are going to want to adjust your camber/caster/toe expertly. You will need some bits for this. LCAs ( I run GtSpec but there are others)
8) The steering is pretty damn close as is - it will feel different when you change the tires for something bigger - watch that caster
9) A good alignment
10) Reduce a little weight
11) Corner balance with you in it.
12) Maybe a strut bar set in the front.

I am sure others more knowledgeable will tell you exactly what you need!

Have fun

Last edited by Fastbrew; 09-13-2014 at 01:58 AM.
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Old 09-13-2014, 02:34 AM   #7
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I am just curious what it takes... and how far the twins are off the mark.... given they are said to be better handling than most if not all cars "below" the cayman.
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Old 09-13-2014, 02:35 AM   #8
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Ask the CSG guys...


And no, Fastbrew is wrong
who r the CSG guys?
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Old 09-13-2014, 02:44 AM   #9
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And a Jackson SC.
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Old 09-13-2014, 03:18 AM   #10
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Originally Posted by gt8613 View Post
What would it take ( amount of money and a list of parts) for the twins to perform on par with Porsche when it comes to handling.
I was actually going to buy a 981 Cayman but ended up with the BRZ instead. It really wasn't a hard decision after driving both cars twice.

The 981 is heavier, most certainly felt heavier (it seems hard trying to get consistent curb weight numbers on the 981), and its suspension is much stiffer, to the point where you will lose traction and slip on less than good roads.

The 2015 BRZ steering has better feel than 981 steering, which is kind of numb like the 2014 BRZ steering. Even then, the 2014 steering is more precise once you turn the wheel past that spongy zone.

If you think BRX brakes are mushy, the 981 brakes are even more mushy; although I feel 981 brake modulation is good. Overall 981 brakes are much better. 981 being mid-engined feels better under braking. Really hard to beat mid-engined cars in that respect.

BRZ feels like it has lower center of gravity and seems more willing to rotate with a more direct feel with the road. 981 seems to remove connection to the road, while also having the disadvantage of riding rough. Bumps in road are met with bam bam bam in comparison to the BRZ. Really not happy with compliance of suspension / wheels to road of 981, especially around El Lay.

I'd say get the Essex brake kit, wheels, and tires (don't even have to overdo that), and you have a car with even slightly better "handling" than 981. You don't even need to touch the springs or dampers, especially with the 2015s. The BRZ has the inherent advantage of lower center of gravity and lighter weight. Just that the limits are low for the stock car because of its rubber and brakes.

Porsche has strayed too far from its roots. The automotive press fawns way too much over them. There's a reason the magazines like to compare the GT86 with the Cayman S; because comparing with the Cayman would be embarrassing for Porsche. You can buy two BRZs with wheels, tires, even coil-overs for the cost of one Cayman since the Porsche dealerships don't sell base Caymans, and the typical set of Porsche options is at least $10K. Make that three if you want a Cayman S with the goodies. This is important if you intend to track the car. I figured can afford to crash one or two by going with the BRZ. Not so with the 981.

Last edited by marvey; 09-13-2014 at 03:33 AM.
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Old 09-13-2014, 03:40 AM   #11
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Just curious but which of the bars would be most effect to improve handling?
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Old 09-13-2014, 09:31 AM   #12
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What? Curb weight for Cayman is on Porsche site

Manual 2888
PDK 2954

http://www.porsche.com/usa/models/ca...turesandspecs/
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Old 09-13-2014, 09:40 AM   #13
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I agree, when I was cross shopping the BRZ and the 458 Italia, the BRZ had better driver feels.
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Old 09-13-2014, 09:52 AM   #14
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Quote:
Originally Posted by Ubersuber View Post
Rumour is Subaru fitted stiffeners to the rack for 2015. It is possible these can be retro fitted to older cars. The steering on these cars is pretty good even without the factory improvement.

It is also just possible that the changes to the rear suspension, whatever they actually were, improves the turn in. If it was just improved rear dampers then likely that wouldn't show up in the steering but, so far, nobody seems sure what Subaru actually did to the rear suspension other than different shocks. For the FRS we know they reduced the rear spring rate and increased the front spring rate (at least probably that's what they did: fit BRZ springs) because all the reviews point out that the handling has improved.
I am thinking of selling my GTS86, the AW11 is so much better at everything except being newer and being able to fit more grocery. I can crash 10 of them before getting another 86.

[ame="https://www.youtube.com/watch?v=knzk-HeaH50"]AW11 AE86 FRS Battle at Auto Club Speedway - YouTube[/ame]
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