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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
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#1 (permalink) | |
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A True Z Fanatic
![]() Join Date: Aug 2012
Location: NW, AZ
Posts: 9,330
Drives: 10 Nissan 370z Nismo
Rep Power: 2684386 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Quote:
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.
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Fast Intentions TT Installed and Tuned by Seb at SpecialtyZ 610whp 560tq:|Fast Intentions 3" TT-TDX|SpecialtyZ/Fast Intentions 72 Row Oil Cooler|SZ 6 Puck Clutch & Flywheel|3GsCustoms|Z1|Wavetrac|Hotchkis|Whiteline |Blitz|Fortune Auto 500|Fujimura|SPL|H&R|TK|TWM|RPM Rollbar|Sparco|Next Level Performance|TrackSpec|AeroFlow Dynamics|Pioneer| |
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#2 (permalink) | |
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A True Z Fanatic
Join Date: Apr 2013
Location: st. petersburg
Posts: 5,730
Drives: 09 nissan 370z Sp M6
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Quote:
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#3 (permalink) |
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A True Z Fanatic
![]() Join Date: Aug 2012
Location: NW, AZ
Posts: 9,330
Drives: 10 Nissan 370z Nismo
Rep Power: 2684386 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
AJ Hartman is another guy that I found that knows his stuff. All his products are CFD or wind tunnel tested. The first part of this video explains aero loading and spring rates.
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Fast Intentions TT Installed and Tuned by Seb at SpecialtyZ 610whp 560tq:|Fast Intentions 3" TT-TDX|SpecialtyZ/Fast Intentions 72 Row Oil Cooler|SZ 6 Puck Clutch & Flywheel|3GsCustoms|Z1|Wavetrac|Hotchkis|Whiteline |Blitz|Fortune Auto 500|Fujimura|SPL|H&R|TK|TWM|RPM Rollbar|Sparco|Next Level Performance|TrackSpec|AeroFlow Dynamics|Pioneer| |
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#4 (permalink) |
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A True Z Fanatic
Join Date: Apr 2013
Location: st. petersburg
Posts: 5,730
Drives: 09 nissan 370z Sp M6
Rep Power: 295380 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Thanks. I’m going to use eddies go pro and try to capture some live data using yarn and tape to see how the fender vents and hoods vents work. Before going with aero and coil overs.
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#5 (permalink) |
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Base Member
Join Date: Jun 2013
Location: Ohio
Posts: 43
Drives: 10 370z
Rep Power: 123 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
My car was 3416 lbs with me in it(180lbs) and a 90% full gas tank. Corner weights were
LF- 981 RF- 947 LR- 766 RR- 722 I have true style rears and plan to upgrade the aero this winter so I am also interested in what they come up with for spring rates. |
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#6 (permalink) |
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A True Z Fanatic
![]() Join Date: Aug 2012
Location: NW, AZ
Posts: 9,330
Drives: 10 Nissan 370z Nismo
Rep Power: 2684386 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Thank you sir and I will be adding aero settings after getting spring rates figured out.
__________________
Fast Intentions TT Installed and Tuned by Seb at SpecialtyZ 610whp 560tq:|Fast Intentions 3" TT-TDX|SpecialtyZ/Fast Intentions 72 Row Oil Cooler|SZ 6 Puck Clutch & Flywheel|3GsCustoms|Z1|Wavetrac|Hotchkis|Whiteline |Blitz|Fortune Auto 500|Fujimura|SPL|H&R|TK|TWM|RPM Rollbar|Sparco|Next Level Performance|TrackSpec|AeroFlow Dynamics|Pioneer| |
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