Updated 2009 Porsche 911 GT3 RSR revealed

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From Automobilemag.com

With the recent barrage of new mid-cycle Porsches, the 2009 911 GT3 RSR is the latest 911 variant based on the 997.5 architecture.

The 911 GT3 RSR is the most powerful racer model of the 911 GT3 and has been heavily modified for the 2009 GT2 racing season. The new RSR features a completely revised cooling system, which is immediately visible, as the 2009 RSR has extra louvers on the hood. The louvers were added as part of the redesigned radiator ducting.

The engine also underwent significant changes for 2009. It now displaces 4.0 liters instead of 3.8 and produces 450 hp at 7800 RPM. In accordance with 2009 GT2 regulations, the size of the engine air restrictors were reduced as well. The engine’s displacement was boosted to help counter this reduction and to optimize the torque curve. Peak torque of 317 ft-lbs is now reached at 7250 RPM with a rev limiter at 9000 RPM.

Aerodynamics have been revised to make the car more adjustable, with the rear wing now allowing a wider range of movement. Porsche went to some lengths to remove weight as well - the brakes and wiring harness have been lightened and “weight-optimized” to improve handling. Interestingly, an air-conditioning unit has been added as an option.

To make the car more serviceable, Porsche moved the fast oil refill system to the rear decklid. A new air-jack system with overpressure valve (as seen on several other Le Mans cars) has been added to make pit stops faster. Another feature to make the cars more identifiable during endurance races is programmable multi-function controller, that – among other things - allows teams to program the blinking front lights.

Twenty of these powerful machines have been built, and are now being delivered to various motorsport teams. The 2009 911 GT3 RSR costs 380,000 Euros ($490,500) plus tax specific to each country.
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Not bad.. 4l Boxer 6? Then again, they did do 3l i4 for the 944..
 
that engine in GT3 RS as an upgrade.. call it Gt3 RS+.. but then Audi will have her knickers in knot since they had RS6+..

Hammond will cream his pants for this.. he'll rave that it's "ultimate version of ultimate version of ultimate version of ultimate drivers car." :lol:
 
Im not a fan of Porsche's. I take Clarksons viewpoint that they have the laziest design studio in the world and always look roughly the same. This one looks quite nice though because its got slightly more nuts aero stuff. :)

Robin.
 
They widened the damn thing. It looks less like FIA GT and more like SuperGT.

However, I'll bet they need it: Ferrari has begun to take the GT3 brand's title as most successful second-string GT car.
 
Wow. Mean car. Hopefully it'll throw some good competition into the GT2 class.

Robin.
Im not a fan of Porsche's. I take Clarksons viewpoint that they have the laziest design studio in the world and always look roughly the same. This one looks quite nice though because its got slightly more nuts aero stuff. :)
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As long as that design that always looks the same looks good, I have absolutely no problem with it. Aston Martins all look the same yet they can all still be gorgeous at the same time.
 
EA11R
Vroom.

But, what's the weight like? That is horribly low torque.
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It's a race car anyway so torque isn't so much of an issue because they are operating at the top end of the rev range all the time. A 750hp F1 engine produces only a little over 200 ft-lbs (270 Nm) of torque!
 
TheCracker
It's a race car anyway so torque isn't so much of an issue because they are operating at the top end of the rev range all the time. A 750hp F1 engine produces only a little over 200 ft-lbs (270 Nm) of torque!
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!

I guess I need to rearrange my standards. Still though, 317 from a 4-litre does seem a bit low to me... oh well, I guess it's due to high-rev.
 
EA11R
!

I guess I need to rearrange my standards. Still though, 317 from a 4-litre does seem a bit low to me... oh well, I guess it's due to high-rev.
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That's 80 ft-lbs per liter from an NA race motor.

Which is a lot if you compare it to some street cars: a production Viper motor makes "only" 66 ft-lbs per liter at peak and a C6 Z06 LS7 makes "only" 67 ft-lbs per liter.

But it's a way low compared to, say.. a 2009 M3 GTR, also a 4.0 liter motor, which is putting down 370 ft-lbs according to BMW's literature.

That's 92 ft-lbs. per liter. Rhhoar!

A Ferrari 430 GT2 makes about 339 ft-lbs from a 4.0 -- 84 ft-lbs/liter.

A Corvette C6.R in GT1 about makes 88 ft-lbs/liter.


M
 
All this talk of torque, I wonder when we're going to see diesels in the class. They're already in LMP and Touring Cars, surely it's only a matter of time for GTs. Not that I'm looking forward to that....
 
Leonidae
is it just me or did Bram fall in love?
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Quattro20v
Can't blame him.:)
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What he said. I've always been a huge fan of the GT3 Porsches tearing apart the asphalt during the Le Mans races. In fact, I enjoy the view of a GT3 racing down Mulsanne far more than anything except for a TS020 GT-One... What I love most about these Porsches is the sound:




I just love it so damn much!



On that, did I even post a 2009 RSR on the previous page?
 
Bram Turismo
What he said. I've always been a huge fan of the GT3 Porsches tearing apart the asphalt during the Le Mans races. In fact, I enjoy the view of a GT3 racing down Mulsanne far more than anything except for a TS020 GT-One... What I love most about these Porsches is the sound:




I just love it so damn much!



On that, did I even post a 2009 RSR on the previous page?
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Shame that's probably a FIA GT bound one. I don't think the GT3's in ALMS are anywhere quite as loud.
 
That looks absolutely awesome, kudos to Porsche for this one!
 
I wonder what's going to happen to the engine design in the next couple generations of 911. I have no idea where I read it, but when the 997 came out with the 3.8L I remember reading that Porsche did not want to make the engine any larger than 4.0L. Looks like they've gotten to that limit...so now what? Design a brand new boxer six? Because putting anything else in a 911 would be cause for revolution to some!
 
Guys, not meaning to take away from a significant car, but not only is this thing inaccessible because it costs so much, but Porsche flat-out won't sell these things to privateers. You've gotta be registered as an ALMS or FIA GT team to qualify to run one. It's a totally different league from other dream cars, where enough cash can get you one. You'll have to wait after a season or two to pick a used one up off a team when they get bored with it/run out of money to run it.
 

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