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2017 GSF

dlin4229

993分

樓主

個人積分：993分

文章編號：86551027

I think that's why Lexus/Toyota engineers reduce the gear ratios for 1st and 2nd gears intentionally on my GSF (or RCF)...

So, the drivers could do full throttle constantly on those lower gears without too much worry!!! 拇指向上

拇指向上

(especially good for an average driver like me... 笑到噴淚

笑到噴淚

)

PS: Better torque at low rpm is good only for lower power cars. For big power cars, those crazy low-end torques could become a killing tool... Killing what??? Killing yourself!!! 真心不騙

真心不騙

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dlin4229

993分

樓主

個人積分：993分

文章編號：86558033

In the below video there are three different modified Civic Type R...

Again... The bigger tires are, the faster the Type R will be... 笑到噴淚

笑到噴淚

SPOON : 25"713 (360HP, Tire: 265/265, Spring: 8/8K)
--- These spring rates are good for Japanese dampers but for Ohlins dampers, the spring rates can go even higher!!! (That's why this Type R got the best score among the three!!!)

J'S Racing : 25"688 (360HP, Tire: 295/265, Spring:10/14K)
---- These spring rates could be a little too high for Japanese dampers!!! (Overall, just a little stiffer than my GSF's Ohlins 16/19K!!! rock

rock

)

CUSCO : 26"281 (320HP, Tire: 255/255, Spring:16/14K)
---- These spring rates could be TOO HIGH/STIFF for back roads which are not very smooth, no matter Japanese dampers or Ohlins!!! (That's why this Type R got the lowest score)

So, the Ohlins suspension from my GSF is STIFF ENOUGH!!!(That's why I love my GSF so much)

However, I will still drive my GSF for any long trip without hesitation.... (Actually Ohlins dampers should be more comfortable than those Japanese dampers from the three modified Type Rs!!! 拇指向上

拇指向上

拇指向上

拇指向上

)

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dlin4229

993分

樓主

個人積分：993分

文章編號：86558093

This heavy RCF is not as fast as those light Type R due to the weak tires... (26"642)

If this RCF's tires are upgraded to 285/305, I bet it will be as fast as those Type R if not faster!!! ^++^

^++^

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dlin4229

993分

樓主

個人積分：993分

文章編號：86558126

This is the street version of FIGS Ohlins suspension for GSF... (also currently installed in my GSF )

GSF :4035 lbs
Front 16K : (16 * 0.80) / (4035 * 53%) * 1000 = 5.985
Rear 19K : 19 / (4035 * 47%) * 1000 = 10.019
(Why is 0.80 needed??? That's because GSF's front suspension is double A)

J's Racing Civic Type R (FK8) : 2970lbs
Front 10K : 10 / (2970 * 62%) * 1000 = 5.431
Rear 14K : 14 / (2970 * 38%) * 1000 = 12.405

My GSF's front suspension is a little stiffer but Type R's rear suspension is stiffer.

Overall, J's Racing Civic Type R(the fastest among the three) is still a little stiffer...

PS: Now I really think the spring rates of FIGS Ohlins suspension on my GSF are right on the sweet spot!!! rock

rock

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dlin4229

993分

樓主

個人積分：993分

文章編號：86558171

This is Ohlins OEM suspension from Japan for GSF...

GSF :4035 lbs
Front 16K : (16 * 0.80) / (4035 * 53%) * 1000 = 5.985
Rear 13K : 13 / (4035 * 47%) *1000 = 6.855
(Why is 0.80 needed??? That's because GSF's front suspension is double A)

SPOON Civic Type R (FK8) : 3047lbs
Front 8K : 8 / (3047 * 62%) * 1000 = 4.235
Rear 8K : 8 / (3047 * 38%) * 1000 = 6.909

At rear the Ohlins OEM suspension from Japan is about as stiff as SPOON Civic Type R's suspension (the softest and also the best score among the three)...

Maybe Ohlins OEM suspension is better option for more comfortable ride in GSF...

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dlin4229

993分

樓主

個人積分：993分

文章編號：86558319

This is the track version of FIGS Ohlins suspension for GSF...

CUSCO Civic Type R also has the stiffest suspension among the three...

Type R's front suspension is stiffer but GSF's rear suspension is stiffer (Overall both's stiffness are similar... Very good on smooth race tracks but not so good on back roads)

GSF :4035 lbs
Front 18K : (18 * 0.80) / (4035 * 53%) * 1000 = 6.733
Rear 25K : 25 / (4035 * 47%) * 1000 = 13.182
(Why is 0.80 needed??? That's because GSF's front suspension is double A)

CUSCO Civic Type R (FK8) : 3058lbs
Front 16K : 16 / (3058 * 62%) * 1000 = 8.439
Rear 14K : 14 / (3058 * 38%) * 1000 = 12.048

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dlin4229

993分

樓主

個人積分：993分

文章編號：86560070

Modified GR Yaris vs Modified M4

M4 is much heavier but with stiffer suspension and sticky enough tires, heavier M4 still can out run GR Yaris even on corners!!!

CUSCO GR Yaris (HP: 272, Tires: 235/235, Weight: 2820 lbs)
Front 7K : 7 / (2820 * 59%) * 1000 = 4.207
Rear 8K : 8 / (2820 * 41%) * 1000 = 6.919

BOSS GR Yaris (HP: 300, Tires: 265/265, Weight: 2820 lbs)
Front 12K : 12 / (2820 * 59%) * 1000 = 7.212
Rear 16K : 16 / (2820 * 41%) * 1000 = 13.838

Revolution GR Yaris (HP: 310, Tires: 265/265, Weight: 2640 lbs)
Front 12K : 12 / (2640 * 59%) * 1000 = 7.704
Rear 16K : 16 / (2640 * 41%) * 1000 = 14.782

Assist M4 (HP: 600, Tires: 295/295, Weight: 3467 lbs)
Front 16K : 16 / (3467 * 52%) * 1000 = 8.875
Rear 26K : 26 / (3467 * 48%) * 1000 = 15.623

PS: M4's Quantum dampers are from UK and quite good, I think... As a result, even with those crazy stiff springs that M4 is still very stable on back roads!!! However, BOSS/Revolution GR Yaris are totally different story... (My body is flying!!! Jump everywhere!!! 笑到噴淚

笑到噴淚

笑到噴淚

笑到噴淚

)

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dlin4229

993分

樓主

個人積分：993分

文章編號：86564791

Even with good dampers, this M2 doesn't feel good on back roads if those dampers are set to TOO FIRM or TOO SOFT!!!

If the damping settings of those good dampers are right, even those crazy stiff springs could still be adopted on back roads!!!

However, I believe the more stiff the springs are, the more picky dampers' settings will be!!! (I definitely could put more stiff springs on my Ohlins suspension as Ohlins dampers are even better, but I think my Ohlins are stiff enough and on the sweet spot especially on back roads...)

By the way both Quantum and Nitron are from UK...

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dlin4229

993分

樓主

個人積分：993分

文章編號：86565013

With some decent dampers from SACHS, this very stiff GT-R still feels good on back roads!!!

Mine's GT-R (HP: 750, Tires: 255/285, Weight: 3608 lbs)
Front 19.65K : (19.65 * 0.8) / (3608 * 53%) * 1000 = 8.221
Rear 12.50K : (12.50 * 2) / (3608 * 47%) * 1000 = 14.743
(Why 0.8 is needed on front? That's because GT-R's front is double A. Why 2 is needed on rear? That's because GT-R's rear is true coilover type)

By the way, I think GT-R 's AWD really helps to get that HUGE power down the road even on this very narrow and curvy back roads!!! 拇指向上

拇指向上

(although its tires are much smaller than M4!!!)

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dlin4229

993分

樓主

個人積分：993分

文章編號：86565170

This modified GR Yaris was not very good on back roads but is very good on smooth race tracks even with much stiffer springs!!! 笑到噴淚

笑到噴淚

Revolution GR Yaris (HP: 300, Tires: 265/265, Weight: 2596 lbs)
Front 18K : 18 / (2596 * 59%) * 1000 = 11.752
Rear 24K : 24 / (2596 * 41%) * 1000 = 22.549

So, only back roads could test if the dampers are really good... 真心不騙

真心不騙

By the way, if you also check the lap times in the below video, you will find... The bigger tires, the faster!!! AGAIN!!! 笑到噴淚

笑到噴淚

(Of course, you also need to consider car weight and tire compound... The heavier cars need even more sticky or bigger tires!!!)

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