New Dodge Viper ACR Thread

[Just_me]

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The bullet points:
Same HP and torque
Michelin Pilot Sport Cups
Sidewinder wheels
StopTech 2 piece slotted brakes
coil over racing dampers from KW Suspensions
new front stablizer bar
3 inch "fanged" front splitter
carbon fiber 7 way adjustable rear wing
radical 2 tone paint scheme- blacked out hood, roof and trunk/tail lid

And a "hard core" package that:
deletes the entire audio system, hood pad, trunk carpet and tire inflator.


Botton line- "priced under $100,000 according to Herb Helbig

[zetableh]

Didn't they have this an NYIAS? I have pictures of a car just like that, complete with the cockeyed stripe. I remember it because the stripe actually continues and is the centering stripe on the steering wheel.

[Sunny]

I like it. Would love to see a Viper ACR vs Corvette ZR1 vs F430 Scuderia vs GT2 vs Gallardo Superleggara comparison.

[Tycoon]

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Posted on Thursday 8 November 2007

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The hottest Dodge Viper factory performance kit yet, the SRT10 ACR gives would-be racers something to talk about. In fact, the ACR is enough to turn would-be racers into actual racers - just supply the track. Now we can bring you the official word on the latest supercar from Dodge.

Confirming info leaked earlier today, the same deep-skirted aluminum block 8.4L V10 600hp, 560lb-ft (760Nm) of torque uber-monster that lives under the hood of the - ONLY REGISTERED AND ACTIVATED USERS CAN SEE ALL LINKS - CLICK HERE TO REGISTER powers the ACR, but what makes this car special is not its power so much as its weight and tuning. The new Viper SRT10 ACR shaves considerable weight from the car - while keeping it street legal - with a focus on unsprung and rotating weight, the areas where weight savings are of most value. Add the ‘Hard Core’ package and you’ll delete another 40lbs by substituting door speakers for carbon fiber panels, deleting the radio and a significant portion of silencing material and carpet and getting rid of the tire inflater.

Suspension tuning is also a key element of the ACR, with adjustable coil-over racing dampers from KW Suspensions - and you don’t even have to remove the wheels to make the adjustments. Roll stiffness is increased with a new front stabilizer bar and downforce is brought to race-car levels, yielding 1000lbs (455kg) downforce at 150mph. When you do hit the track, you can change out the center-splitter of the grille with a track extension that fills out the ‘fanged’ splitter scallop. Doing so reduces overall drag and increases front downforce by almost a third.

Brakes are upgraded to handle the added stress of track use. Two-piece slotted StopTech rotors are mated to Brembo calipers to minimize unsprung weight and maximize stopping power. The combo shaves almost 60lbs from the weight of the stock Viper and brings the ACR to a halt from 60mph within 100ft.

Shifts are handled by the latest iteration of the Tremec T56 six-speed manual, the TR6060. Keeping all that power routed to the rear wheels under control is a GKN ViscoLok speed-sensing limited-slip differential.
Dodge’s ‘normal’ Viper SRT10 is rated at under four seconds 0-60mph time, so expect this model to shave a few tenths thanks to the decreased weight. Top speed is listed at 190mph, and lateral acceleration is rated at 1.5g. The price is not yet announced, but the article says it will start at under US$100,000. Start cashing in those CDs and selling those stocks. Amateur racers - your car is coming.

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[Merc1]

What is it?

2008 Dodge Viper SRT10 ACR

What's special about it?

With its optional "Hard Core" package, it's pretty easy to figure out the idea behind the 2008 Dodge Viper SRT10 ACR. This is one for the serious knuckle-draggers, the guys who somehow feel like a standard Viper with its 600-horsepower V10 engine just isn't extreme enough. They want more, although in this case they actually get less, as the ACR is essentially a lightweight, track-ready version of the standard car.

We're only talking about a 40-pound weight reduction here, so the changes aren't dramatic. Forged-aluminum Sidewinder wheels are one of the more noticeable upgrades. Dodge says it used finite element analysis to optimize the design of the wheels to achieve a lower unsprung weight, so if you curb one it will be a very expensive mistake.

Michelin Pilot Sport Cup tires remain the rubber of choice, although the cross-section width in front is up 20mm to 295/30R18. The rears are still 345/30R19s; it's not like you need a bigger contact patch in back.

Suspension upgrades include new KW Suspension coil-over dampers that are adjustable for both rebound and compression. There's also a new front antiroll bar for increased stiffness. StopTech brake rotors are another significant upgrade. The two-piece slotted discs are not only lighter but also feature curved fins for better cooling than the stock units.

If the 40 pounds Dodge shaved here for the ACR doesn't sound like enough, you can always opt for the appropriately named Hard Core package. It reduces the ACR's weight by another 40 pounds by eliminating pansy stuff like the underhood silencer pad and carpeting in the trunk. The radio gets pulled as well, replaced by a cover where you can mount the lap timer that comes with the package.

Since there is the possibility that buyers of the Viper SRT10 ACR might not actually take their cars to the track, there are several exterior changes to let the world know that this is no ordinary $80,000 Viper. There's a new variable-geometry front aero splitter complete with removable wear strips that are sure to get a workout with every handoff to the local valet. Also included is a removable central extension piece for track days only. Once in place, the piece reduces drag and increases downforce by a third. Gone are the standard foglights, replaced by lightweight filler panels.

Then there's that rear spoiler. It's adjustable, made of carbon fiber and astonishingly large. And if that's not attention-grabbing enough, there's the optional two-tone paint scheme that features a full-length, driver-side stripe and unfinished carbon-fiber pieces. There are also the traditional dual Viper stripes with a fully painted body if you want a more subtle 600-hp supercar.

Yes, just 600 hp in play here, as there are no mechanical modifications to the standard drivetrain.

What's Edmunds' take?

We picked the Viper SRT10 over the Corvette Z06 in a recent comparison test because it had a few rough edges that made it a true supercar. This ACR version takes this idea one step further, and we like it

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M

[Just_me]

[siko]

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