Sunday, April 24, 2011

RKM Motorsport: Maserati GranTurismo S

RKM Motorsport: Maserati GranTurismo S

Based on: Maserati GranTurismo S ‘08
Obtained: Brand new model at Maserati

Drivetrain: FR
Horsepower: 646 BHP (@ 170.3 miles)
Torque:---- 68 kgfm
Weight:---- 1337 kg
PP:-------- 581

PARTS
GT Auto

Type A Front Aero
Type A Rear Aero
Type A Wing

Tuning Shop
Chassis Weight Reduction Stage 3
Rigidity Improvement
Window Weight Reduction
Carbon Bonnet (Body Colour)
Engine Tuning Stage 3
Sports ECU
Sports Intake Manifold
Racing Air Filter
Titanium Racing Exhaust
Sports Exhaust Manifold
Catalytic Converter: Sports
Fully Customisable Transmission
Twin Plate Clutch
Semi Racing Flywheel
Carbon Propeller Shaft
Fully Customisable LSD
Fully Customisable Suspension Kit
Sports Soft Tyres

SETUP

Body/Chassis
Aerodynamics

Downforce: 0/20

Ballast
Amount:-- 0
Position: 0

Engine
Power Limiter

Power Level: 100.0%

Transmission
Transmission

(Set Max Speed, then each individual ratio.)
1st:-- 3.654
2nd:-- 2.446
3rd:-- 1.778
4th:-- 1.377
5th:-- 1.132
6th:-- 0.967
Final: 3.360
Max Speed: 230 MPH

Drivetrain
Differential

Initial: 0/15
Accel:-- 0/25
Braking: 0/10

Suspension
Suspension

Ride Height: -25/-25
Spring Rate: 13.0/7.5
Extension:-- 8/7
Compression: 6/5
Anti-Roll:-- 2/4
Camber:----- 2.3/2.4
Toe:-------- –0.20/0.05

Brakes
Brake Balance Controller

Brake Balance: 6/8

Intended Driving Options
Transmission: Manual (MT)
ABS: 1
Everything else: OFF

Tuner Comments:
There’s a new Italian Stallion in town, but it’s no Ferrari. This GranTurismo S impales the prancing horse with it’s sharpened trident, as it flies through the next set of corners in complete comfort and style.
I can't say exactly why but this is about the sexiest Italian car I can think of; certainly better than anything I can name with a prancing pony on the hood and much more style than carbon fiber and big wings. The body lines are graceful and elegant but the face on the car says "you don't want to pick a fight." In stock trim there is some to like and some to dislike. The brakes feel and work nicely but don't really give a good impression of slowing the car, which is strange to get used to. The tail is on the loose side and will frequently step out on heavy throttle. If you can keep the angle down it isn't a problem for the most part but go too far and it becomes difficult to recover. Coming through the corners feels slow overall. Even taking a corner at similar speed to a similar car the feeling is that the Maserati is not as fast. The car is still pretty quick regardless, turning a 2'14.281" best lap.

With the listed parts this car is a wild child! Standard brake balance does this car no favors with its new found speed. Cornering was a nightmare. First, it doesn't want to turn in and you have to coax it to bite, then even a touch of throttle will send the tail out and faster than stock leaving you a blink to be able to catch it before you spin and choke on tire smoke. Keep it calm through the turns, however, and it rewards you with blazing speeds. The lap of 2'01.105" can attest to the difference there.

The tune works magic on the rear, holding it down through what it had no hope of keeping before. When it does step out, the slide has much more control with a comparatively huge window to catch and correct. The brakes have gotten better but I still feel like they could stand to be just a touch firmer overall to move the braking point up a little further. For me the car is still a tad too beastly to get a properly fast time down. I did find that coming in a bit wider and apexing just a little later helps significantly, lowering the chance of fighting a slide and giving me more of a straight run through the exit. I knew all this testing would teach me something! Not enough for top honors but the GTS cracks in at 1'59.587", just a fraction behind the Stradista for third on the board.

Calling it just the "GranTurismo S" doesn't really do it justice. If I were handing out suggestions I would say go with "Vader". It has the look and the attitude to carry the name well. In future I can see it making a good run for the top spot but I am not sure it will quite make it there, though the Stradista definitely has a target on its tailpipe.

Lap Times
Grand Valley Speedway: 1'59.587"


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