you are a bit off mate......
And also softer springs give you moore traction and stiifer springs will give you less on astroturf.
Less grip stiffer spring, moore grip softer spring.
Here's the list
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Kyosho Lazer Zx5 Fs2 Sp WE
Kyosho Tf-5 Shin
Kyosho Rb5 Vega Edition Gen 2
Schumacher Cat SX3
Team Durango Dex 210
Spektrum DX3R-Pro
SAB Goblin 500
Logo 600 se
T-rex 550 V2 FBL
T-rex 450 pro (on steroid's)
Blade McPx BL
SAB Goblin 700 12S
Spektrum Dx8
Bergen-Norway