Both the previous - gen Aston Martin Vantage GTE and mid-engined Porsche 911 RSR have been given 0.6 mm reductions
in air restrictors, with a slight boost decrease for the Ferrari.
For the Corvette C7.Rs, we see a one (1) liter reduction in fuel capacity and an increase of 0.7 mm
in the air restrictors.
Only changes
in the air restrictor (38 mm), minimum weight (+85 kg) and ride height (+13 mm front / +10 mm rear) have been made to the Super Trofeo cars to be compliant for PWC competition.
Not exact matches
This increase
in displacement coupled with the removal of a racing
air restrictor allowed for 612 PS (450 kW; 604 hp) and torque to 775 N ⋅ m (572 lb ⋅ ft).
Instead, they decided to use the M119 HL V8 engine from Sauber C9 / Sauber C11 which raced
in the late 1980s and early 1990s, as Mercedes - AMG felt that the M119HL would have better reliability at speeds while still performing the same amount of power as the M120 due to
air restrictor regulations.
* Aston Martin V12 Vantage GT3: 10 kg weight reduction (1260 to 1250 kg), 1.3 mm larger
air restrictor (40.7 to 42 mm x2), 13 - liter increase
in fuel capacity (90 to 103 liters)
* Lamborghini Huracan GT3: 20 kg weight increase (1260 to 1280 kg), 2 mm smaller
air restrictor (39 to 37 mm x2), 1 liter increase
in fuel capacity (89 to 90 liters)
Porsche's 911 RSR received a 17 kg increase
in weight while its
air restrictors will be 0.6 mm smaller than they were at Spa.
The rear wing was raised and the Corvettes» 5.5 - liter engines were outfitted with larger intake
air restrictors in accordance with the GT regulations.
In the past, the engine was supplied with air through an air flow restrictor (45.1 millimeters in the case of Audi's V6 TDI
In the past, the engine was supplied with
air through an
air flow
restrictor (45.1 millimeters
in the case of Audi's V6 TDI
in the case of Audi's V6 TDI).
The diameter of the series - mandated intake
air restrictors was decreased from 30.6 mm to 28.6 mm, with a corresponding reduction
in engine output from 590 to 470 horsepower.
GTA (and SprintX) rules allow the Porsche 911 GT3 R a 2 mm larger
air restrictor compared to the car
in the Pro class.
After another reduction
in the size of the
air restrictors for the 2009 season (as mandated by governing body of world motor sport), the engine now delivers around 450 bhp (331 kW) at 7,800 rpm, and develops a maximum torque of 430 Nm at 7,250 rpm.
The heart of the beast is an updated 5.5 - liter Chevrolet small - block V - 8 that breathes through twin 29.2 mm intake
air restrictors -LRB-.4 mm larger than
in 2011) as specified by the GT regulations.
Series officials mandated a reduction
in the size of the Corvettes» intake
air restrictors for this race, an adjustment that cut engine output by 35 horsepower.
As the pioneer
in turbo technology, Porsche opted at the time for a biturbo power unit displacing 3.16 litres and delivering maximum output of 474 hp despite its
air restrictor.
Corvette Racing finished first
in GTE - Pro at the Le Mans test last week and was then penalized by BoP with a 0.3 mm
air restrictor reduction (on top of the 0.5 mm
air restrictor reduction made prior to the test.