Quote:
Originally Posted by SS_Firehawk
Honestly, you should be ordering your spring rates based on how much downforce your car is going to produce at certain speeds. A bucket type coilover system, the spring is far closer to the hinge, so it needs a lot more spring weight to compensate. Running a true style, without aero, 6k is on the mark based on my research. I might want to bump it up to a 7k to compensate for your aero. Just my 2 cents. It would probably settle down the rear a lot powering out, under braking and on bumpy surfaces or rumble strips.
It sounds dumb, but chassis tuning on Forza, I drop the damper and spring rates a lot to settle rear down and add a bit of toe in. It's not real life, but I'd imagine the logic is the same.
Edit: Totally wrote this blind and happy others kind of confirmed my thoughts. I run stock Nismo aero and Swifts. I'm basic lol.
|
You are not wrong! That being said if your suspension is not set properly the influences from the aero can have significant impact on handling and that is why he stated that with the spring rates I am currently running and the downforce from the wing will cause the car to oversteer significantly because you are loading the rear of the vehicle and unloading or adding lift to the front of the vehicle. The fix will allow me then to do aero tuning that I need to maximize front and rear aero.
So my initial question to Danial at Awesome Performance Racing was did he think adding front splitter diffusers would be beneficial with my current setup and the whp I will be running in the future? He initially said no and then after I sent him information on my coilovers, he provide the information I posted and he asked me for some data so he could figure out the best spring rates for my Z. He specifically asked for corner spring weights and for me to give him the spring lengths front and rear when the car is unloaded and then compressed as this all matters when considering spring weight and drupe. The other thing to consider is that if your wheel rates are off you can over work your rear diff. This maybe one of the reasons some have issues with overheating their rear diff at the track or on canyon roads.
I figure if he wants to help me fine tune my car setup I am going to listen and take in all the information I can. His credentials and the people race team he works with speaks volumes. Oh and he said the diffusers would be beneficial.