Aero and Suspension Tuning With True Type Coilovers

Eagle · 07-08-2019, 04:20 PM

Quote:

Originally Posted by Hotrodz

Glad to hear things went well at Laguna Seca. A front splitter and lowering the car provides for better turn in and cornering grip for sure. Which wing did you get?

I was expecting the car to be a little oversteery but turn in seemed to improve on the faster corners like turn 9 and 6. Corkscrew seemed to have gotten better as well, earlier on the throttle at the exit, flat out.

I'm getting the Ings +1 ZPower Ver. NISMO wing

Hotrodz · 07-08-2019, 05:05 PM

Quote:

Originally Posted by Eagle

I was expecting the car to be a little oversteery but turn in seemed to improve on the faster corners like turn 9 and 6. Corkscrew seemed to have gotten better as well, earlier on the throttle at the exit, flat out.

I'm getting the Ings +1 ZPower Ver. NISMO wing

Beautiful wing! You may have to make some adjustments when you add the wing because of the additional rear grip. It may simply add even more traction because your car is well balanced to begin with.

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03threefiftyz · 07-08-2019, 05:15 PM

I've done all these things...what is is specifically you are asking here? A lot goes into it beyond basic geometry and "aero"? Aero is a wide term...

Hotrodz · 07-08-2019, 06:25 PM

Quote:

Originally Posted by 03threefiftyz

I've done all these things...what is is specifically you are asking here? A lot goes into it beyond basic geometry and "aero"? Aero is a wide term...

Yes you have lol. The only thing I have asked for is corner weights from those that are willing to share. I'm just going to use the average of those weights as a jumping off point to get spring rates for my rear true type coilovers. I have learned the key factor between true type or divorced setups and a bucket type is about wheel rate. The aero part is about loading on the springs as it relates to downforce.

The other part of the aero equation for me is the impact on the front aero or splitter and canards. As you know my car is high horsepower so I want to maximize the benefit of the aero I have. As stated previously my question to Awesome Performance Racing is would front splitter diffusers be a benefit to my current setup? That being said the conversation so far has been on spring rates as stated. Once I have that information I think we can talk about aero and what provides a benefit or not and how to setup and test angle of attack and raising, lowering the car and to rear diffuser or not and why. I am all ears and trying to learn the basics of this game and journey down the go fast rabbit hole! Please impart any wisdom you are willing to share.

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gomer_110 · 07-08-2019, 08:01 PM

Quote:

Originally Posted by Hotrodz

Yes you have lol. The only thing I have asked for is corner weights from those that are willing to share. I'm just going to use the average of those weights as a jumping off point to get spring rates for my rear true type coilovers. I have learned the key factor between true type or divorced setups and a bucket type is about wheel rate. The aero part is about loading on the springs as it relates to downforce.

The other part of the aero equation for me is the impact on the front aero or splitter and canards. As you know my car is high horsepower so I want to maximize the benefit of the aero I have. As stated previously my question to Awesome Performance Racing is would front splitter diffusers be a benefit to my current setup? That being said the conversation so far has been on spring rates as stated. Once I have that information I think we can talk about aero and what provides a benefit or not and how to setup and test angle of attack and raising, lowering the car and to rear diffuser or not and why. I am all ears and trying to learn the basics of this game and journey down the go fast rabbit hole! Please impart any wisdom you are willing to share.

Sent from my SM-G965U using Tapatalk

Why use other peoples' corner weights instead of just putting your car on a set of scales? I have to imagine you'd be able to find someone to let you borrow a set of scales from.

Hotrodz · 07-08-2019, 08:07 PM

Quote:

Originally Posted by gomer_110

Why use other peoples' corner weights instead of just putting your car on a set of scales? I have to imagine you'd be able to find someone to let you borrow a set of scales from.

That is the problem...my car is a roller (blown motor) and there is no one in my small town that has scales. I don't think it is going to make that big a difference as the variance in all the cars is not all that great so an average will work. We all pretty much run the same spring rates anyway and it is based on the average weight of a Z.

Eagle · 07-08-2019, 06:20 PM

Quote:

Originally Posted by Hotrodz

Beautiful wing! You may have to make some adjustments when you add the wing because of the additional rear grip. It may simply add even more traction because your car is well balanced to begin with.

Sent from my SM-G965U using Tapatalk

Yeah i've been told that I may need to stiffen my coilovers a bit more and even go to a higher spring rate if necessary. We'll see once the wing gets here though. Also I completely forgot but i do have my corner balancing numbers for my car and it weighed in pretty close to yours. I'll post those up when i get home so you can compare.

Hotrodz · 07-08-2019, 06:26 PM

Quote:

Originally Posted by Eagle

Yeah i've been told that I may need to stiffen my coilovers a bit more and even go to a higher spring rate if necessary. We'll see once the wing gets here though. Also I completely forgot but i do have my corner balancing numbers for my car and it weighed in pretty close to yours. I'll post those up when i get home so you can compare.

Awesome!

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Eagle · 07-09-2019, 03:15 AM

Quote:

Originally Posted by Hotrodz

Awesome!

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Spooler · 07-08-2019, 07:56 PM

Quote:

Originally Posted by Eagle

I was expecting the car to be a little oversteery but turn in seemed to improve on the faster corners like turn 9 and 6. Corkscrew seemed to have gotten better as well, earlier on the throttle at the exit, flat out.

I'm getting the Ings +1 ZPower Ver. NISMO wing

That is actually a nice looking wing and I can't stand big Wangs….

Rusty · 07-08-2019, 09:38 PM

Quote:

Originally Posted by Spooler

That is actually a nice looking wing and I can't stand big Wangs….

You will end up with a wing.

Spooler · 07-08-2019, 10:26 PM

Quote:

Originally Posted by Rusty

You will end up with a wing.

I am trying my best not too. Tracspec vents is supposed to be the end. I want a street car, not a track car. The wife did like that wing though. It is one expensive one. Guess that's why I like it. LMAO.

Eagle · 07-09-2019, 01:54 PM

Quote:

Originally Posted by Spooler

That is actually a nice looking wing and I can't stand big Wangs….

Honestly, there aren't many wings out there that can claim that they've been track proven in a wheel to wheel racing series like Super Taikyu on the 370Z and 350Z platforms. I think CWEST is maybe the only other one but they never made anything for the Z34. It's definitely a nice kit, I'm considering replacing the end plates with something similar to the Singular pieces Hotrodz is running.

Rusty · 07-09-2019, 05:54 PM

Quote:

Originally Posted by Eagle

Honestly, there aren't many wings out there that can claim that they've been track proven in a wheel to wheel racing series like Super Taikyu on the 370Z and 350Z platforms. I think CWEST is maybe the only other one but they never made anything for the Z34. It's definitely a nice kit, I'm considering replacing the end plates with something similar to the Singular pieces Hotrodz is running.

I believe the one APR wing was used in WC. But that wing, you have to make your own uprights.

Spooler · 07-09-2019, 06:40 PM

Quote:

Originally Posted by Eagle

Honestly, there aren't many wings out there that can claim that they've been track proven in a wheel to wheel racing series like Super Taikyu on the 370Z and 350Z platforms. I think CWEST is maybe the only other one but they never made anything for the Z34. It's definitely a nice kit, I'm considering replacing the end plates with something similar to the Singular pieces Hotrodz is running.

I like the endplates shown. You're doing right. Don't skimp, get what works and be done with it.

07-08-2019, 05:15 PM	#3 (permalink)
03threefiftyz Track Member Join Date: Apr 2010 Location: MD Posts: 536 Drives: 03 350z 6mt Rep Power: 17	I've done all these things...what is is specifically you are asking here? A lot goes into it beyond basic geometry and "aero"? Aero is a wide term... Hotrodz and Spooler like this.

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