個人積分：993分
文章編號：86529212
個人積分：993分
文章編號：86529420
M4(F82) Regular: 3(F) 10.5(R)
M4(F82) Competition: 3.3(F) 12.14(R)
330i(G20) : 2.1(F) 6.3(R)
NF210 springs (only 0-5% stiffer than OEM springs)...
--- Toyota ---
GS(L10): 3.6(F) 6.5(R)
IS(XE30)/RC: 4.1(F) 8.3(R)
RCF or GSF : 7.5(F) 12.4(R)
IS(XE20): 4.9(F) 5.8(R)
GS(S190): 4.6(F) 5.8(R)
Camry Hybrid(AVV50) : 2.9(F) 2.5(R) = 5(R) ture coilover at rear
--- Nissan ---
G35(V35): 5.3(F) 6.0(R)
M35: 6.4(F) 8.7(R)
G37: 7.6(F) 7.2(R)
Q70(M37): 6.2(F) 2.6(R) = 5.2(R) Ture rear coilover
Q50/Q60: 6.2(F) 2.6(R) = 5.2(R) True rear coilover
350Z: 5.6(F) 6.3(R)
370Z: 5.6(F) 6.8(R)
So, above every Japanese cars' front springs are stiffer than 330i and every Japanese cars' front springs are also stiffer than M4 except Camry.
For rear springs, some of the Japanese cars are stiffer than 330i and some of them are a little softer. How soft??? only 0.5-1.5K!!! (My Ohlins is 16F/19R... So, 1-2K differences on those much softer OEM springs are totally meaningless for me!!!
)All in all, Japanese cars' suspensions are definitely NOT softer...
PS: In Japanese RWD platforms their front suspensions are double A. This means the dampers and the springs are mounted on the control arms instead of the wheel knuckles. So the real effective spring rates (i.e. wheel rates) should be 20%-30% softer.
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個人積分：993分
文章編號：86529448
個人積分：993分
文章編號：86536527
PS: Many people think Hondas are more sporty than Toyotas and Nissans. In Japanese Luxury cars, you better change that opinion...
(I've test drove them many times since 2006... Be honest... I never believed that!!! )練習我的英語! Use Goolge Translate if needed.
個人積分：993分
文章編號：86536607
--- RSR Sports-i Spring Rates ---
TLX : 7F/5R(rear true coilover) === 7F/10R
IS : 10F/8.3R
Q50 : 10F/5R (rear true coilover) === 10F/10R (Q50 is the stiffest here)
Their weights are about the same and their spring rates are also similar... However, IS and Q50 should be considered more sporty as IS and Q50 are RWD platform but TLX is FWD platform!!! (I think that's why car enthusiasms are not very interested in Acura)
TLX
IS350
Q50
PS: If you really like Acuras, you better buy AWD, not FWD as you may have problems to get good tractions when all that power are only on front tires!!!
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個人積分：993分
文章編號：86536963
個人積分：993分
文章編號：86536984
個人積分：993分
文章編號：86543500
2023 Type R: 265/265 (3184 lbs)
911: 245/305 (3363 and is about 180 lbs heavier than Type R)
Type R (FK8) : 245/245 (3118 lbs)
2023 Civic Type R
Why don't Honda/Acura engineers do the same on NSX???
In my opinion, NSX is much more expensive than that little Type R. They may think rich people usually don't care those stupid NUMBERS. Rich people usually care more about the overall performance!!!
However, why do Porsche engineers do it??? I think that's because it's a Porsche!!!
(Everyone expects it to be very fast)In my opinion... Yes, Porsche could definitely be faster but just A LITTLE!!!
PS: In 2010... Do you know why GT-R was so heavy but was still very fast??? That's because it had a secret weapon which was THE TIRES (again). The tires were Dunlop SP Sport Maxx GT 600 DSST which Nissan engineers working with Dunlop developed specially for GT-R. And, those tires could be as sticky and noisy as RE-71R or Cup 2... Now, do you still think old GT-R R35 is better than new NSX??? (Like I said, newer cars are definitely better OVERALL!!!)
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個人積分：993分
文章編號：86543617
Why???
These are OEM spring rates for M4(F82) :
Regular: 3(F) 10.5(R)
Competition: 3.3(F) 12.14(R)
The current Ohlins on my GSF is:
16(F) 19(R)
I don't think Ferrari's OEM suspension will be much stiffer than M4's OEM suspension. Ferrari could be a little stiffer but definitely will not be TWO - FOUR times stiffer like my Ohlins suspension!!!
(Of course, my Ohlins is also definitely not as comfortable and refined as factory cars but my over 50 year old wife still didn't complain the stiffer ride yet!!!
)PS: You can also do the same on your car...
(Of course, my GSF still needs some crazy sticky tires to become TRUE fast, not just FEEL fast)
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個人積分：993分
文章編號：86548187
