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2017 GSF

dlin4229

1012分

樓主

個人積分：1012分

文章編號：83498893

Now I already ride on my current Ohlins DFV suspension for 1.5 years and nearly 30K kms which is even 5K kms more than I rode on OEM suspension in 3 years...

(I think I really loved to drive my GSF with Ohlins)

But, I still only set the dampers to F8/R13...(the stiffest is 1) So, the damping forces from Ohlins should hold up quite well. Those dampers should last for a very long time if they don't leak any oil...

Actually my previous KW V3 also held up quite well... I just unrealistically expected them to be like OEM refined ride(no bounce at any time) and set them TOO STIFF!!! (A big mistake)

M4 competition could also become bouncy at the rear sometimes if the road is very rough...

(But, my GSF with stock suspension NEVER became bouncy but it did feel a bit stiffer than the other Lexus, of course)

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dlin4229

1012分

樓主

個人積分：1012分

文章編號：83501867

The below is damper settings for M4 with TC Kline Racing Double Adjustable Street/Track Coilover Kit...

As you can see, for track uses you can turn stiffer compression/rebound on rear than front to get more aggressive handling...

(also more dangerous)

M3/4 TC Kline Racing Double Adjustable Street/Track Coilover Kit

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dlin4229

1012分

樓主

個人積分：1012分

文章編號：83501902

Of course, my Ohlins DFV is a bit different...

Street: F8/R13 (My current setting... With 10% lower than factory tire pressure the ride comfort is almost as good as stock suspension!!! rock

rock

rock

rock

)

Track: F4/R6 (This is my guess...

I never track my GSF in the past)

The below is suggestion from Ohlins
Street- 10-20 clicks from full tight, softer ride
Winding road - 5-10 clicks, more responsive/sporty
Track - 0-7 clicks, tighter steering, firm riding but not punishing

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dlin4229

1012分

樓主

個人積分：1012分

文章編號：83502340

I think I confirm that the Yamaha V8 from my GSF consumes some oil... about 1-2mm per 3K kms... (My Nissans never consumed any oil at every 5-5.5K kms oil change interval)

Maybe it's related to those frequent downshifts when I played with 8AT and the engine...

I rarely played those downshifts on my previous Nissans. Sometimes I floored them but I didn't do that often...

In my current GSF, I rarely floored it but did downshifts frequently if I needed more power or engine brake as the engine sounded so sweet!!!

(Sometimes those downshifts could also come with some bangs and pops sounds from the back... rock

rock

)

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dlin4229

1012分

樓主

個人積分：1012分

文章編號：83503165

I think the oil consumption should be related to engine brakes I did...

Since this summer I began to do engine brakes frequently on my GSF. Before this summer I didn't have any oil consumption with that V8...

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dlin4229

1012分

樓主

個人積分：1012分

文章編號：83518392

The below is about what "Turn-in" is for cars...

"Vehicle turn-in is the transition between forward motion and a turn — the nature of which varies considerably from vehicle to vehicle when the driver turns the steering wheel.

A vehicle’s turn-in may be gradual or rapid — the latter is often preferred by driving enthusiasts, especially in sporty vehicles. Understand that turn-in is not solely a reflection of the steering ratio, which is the amount the front wheels turn in response to a given degree of rotation of the steering wheel. A vehicle can have quick-ratio steering and still exhibit gradual turn-in. To oversimplify a bit, a vehicle with “crisp” turn-in reacts rapidly, getting you well into the turn with minimal rotation of the steering wheel beyond its center position.

A vehicle’s turn-in response is no accident. Engineers tailor it to match the experience to the character of the car. Safety is a major factor as well: Gradual turn-in is the norm in sport utility vehicles, which typically have a high center of gravity and a greater propensity to roll. Sharp turn-in could make this hazard even more likely, especially if not wearing seat belts."

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dlin4229

1012分

樓主

個人積分：1012分

文章編號：83518473

The below is my thoughts...

M4: Turn-in is faster but vague and less (weighted) feel.
GSF: Turn-in is more gradual and linear and also has more crisp and precise feel especially with Ohlins DFV.

Sometimes I was surprised how quick M4 made turns but I couldn't get that clear turning feel from steering wheel... So, I was quite surprised at the time!!!

With Ohlins DFV my GSF could have as fast turn-in as M4 but doesn't have that vague feel from M4... rock

rock

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dlin4229

1012分

樓主

個人積分：1012分

文章編號：83518705

Without Ohlins DFV my GSF may get slower "turn-in" but GSF's torque vectoring differential could help my GSF to make more aggressive turns than that M4 in mid-cornering...

So, it's slower only INITIALLY but will catch up with or even pass that M4 before exiting the corner especially at higher speed... rock

rock

rock

rock

(This technique is actually quite similar to GT-R's AWD)

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dlin4229

1012分

樓主

個人積分：1012分

文章編號：83518728

Actually I think torque vectoring differential is better approach because it's controlled by the car computer... So car computer can evaluate the driving and road conditions and decide how aggressive the turn will be during the cornering...

Of course, I didn't drive my GSF that fast... So the difference could be very subtle or even none!!!

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dlin4229

1012分

樓主

個人積分：1012分

文章編號：83519016

The below is some sales figures in USA...

I personally saw GSFs three times, NSXs once and GTRs less than 10 times...

GSF:
2016 - 1,418
2017 – 482
2018 – 294
2019 – 163
2020 – 127
(total - 2484)

GT-R:
2008 1,730
2009 1,534
2010 877
2011 1,294
2012 1,255
2013 1,236
2014 1,436
2015 1,105
2016 698
2017 578
2018 538
2019 331
2020 303
2021 168
(total - 13,083)

NSX:
2017 - 581
2018 - 170
2019 - 238
2020 - 128
2021 - 123
(total - 1240)

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