Quote:
Originally Posted by nikitopo
Here are the factory spring rate differences per car model. Source is the official SACHS Performance Coilover distributor in Japan, so it looks to be a quite reliable source.
Car model Front spring rate (N/mm) Rear spring rate (N/mm)
TOYOTA 86 ( MY 2021 ) 28 39
TOYOTA 86 ( 1st model ) 23 33
Car model Front spring rate (N/mm) Rear spring rate (N/mm)
SUBARU BRZ ( MY 2021 ) 30 35
SUBARU BRZ ( 1st model ) 23 35
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Those OG numbers don't seem correct.
We know from Subaru/Toyotas press kits on release that the spring rates on the front of the 86 were softer than the BRZ, and that the rear spring rates were supposed to be the same.
In this its kind of the opposite, as if the BRZ has the slightly more oversteer setting...? Perhaps its the 16+ refresh?