Owner’s Manual
Notes
2214657_16b_Viper_ACR_OM_Cover_101315.indd 3-4 10/12/15 4:22 PM
1.0 Overview
Throughout this manual there are notes of WARNING and CAUTION. Review
each of them before driving this car.
The Dodge Viper SRT ACR is the literal fusion of Street and Racing
Technology. It takes the awe inspiring performance capabilities of the
Dodge Viper SRT to the next level.
The Dodge Viper SRT ACR is not certied as a race car and it is not equipped
with a racing safety cage, racing restraints or other racing safety equipment.
Drive safely.
This booklet is a supplement to your Dodge Viper SRT Owner’s Manual.
Please review the Owner’s Manual in addition to this booklet.
WARNING: The limit handling characteristics of this vehicle are much
different than many other sports cars. Operation of the vehicle in excess
of driver skill and experience can result in crash, injury and/or death.
It is highly recommended that all drivers complete a high performance
driving school prior to operating this vehicle.
2.0 Aerodynamics
2.1 Front Splitter
The Dodge Viper SRT ACR aerodynamics are capable of high levels of
downforce which will noticeably affect the grip and handling of the
vehicle at speeds as low as 50 mph.
Regularly inspect all of the aerodynamic components and attachments
for damage or wear.
Splitters are potent aerodynamic elements usually only found
on purpose built racing cars. The Viper ACR front splitter has
been specially adapted for street use with the addition of several
new features.
• The leading edge has been scalloped back to reduce front
overhang for day to day driving.
• Toughened polymer rub strips have been added to reduce wear
and abrasion on the splitter panel.
• Tension cables support the front edge to allow some upward
deection in minor impacts with ramped surfaces.
In spite of these enhancements, the splitter remains highly vulnerable
to impact because of its position on the car.
The front splitter will not ex or compress against impacts from the
front. If an impact does occur, have the splitter inspected. A cracked
or delaminated splitter should be replaced.
CAUTION: Use care when approaching parking blocks, tall speed
bumps and garage curbs. These surfaces can severely damage
your splitter.
CAUTION: Hard contact with steep ramps may cause damage to
your splitter.
Always leave ample room and be sure to educate anyone you allow to
operate the vehicle.
Use care when driving up to sloped surfaces or over speed bumps.
Approaching a speed bump or a slope at a slight angle may improve
your clearance.
2.2 Splitter Components
The front of the ACR splitter is supported by
stainless steel cables. These cables and their
attachments should be regularly inspected.
The splitter cables have an adjustment capability,
however it is recommended to leave the splitter at
the factory delivered settings. The splitter cables
may have some slack while the vehicle is at rest.
When the splitter is loaded, and the cables are
under tension, the main splitter panel and track
extension should be approximately parallel to the
bottom of frame.
Solid polymer rub strips are attached to the
leading edge of the splitter panel. Regularly
inspect these rub strips to avoid damage to the
carbon ber splitter panel.
NOTE: Splitter extension is supplied in the splitter
extension carrying bag.
Standard Viper ACR
Extreme Viper ACR
CAUTION: Replace rub strips when they are worn down to 3/8 inches (10 mm) on the
front edge. This will avoid damage to the carbon ber panel. Refer to image in 2.3
Track Extension.
CAUTION: The track extension should only be used during closed circuit track events.
The track extension can cause premature damage to your vehicle if used on public roads.
Regularly inspect the outboard knock-in threaded insert to avoid premature splitter wear
(right and left side). Replace these fasteners as needed in order to protect the carbon
ber splitter panel.
2.3 Standard Track Extension
A splitter track extension is shipped with every Viper ACR. The track extension is
mounted in the same location as the center rub strip. The on-track aerodynamic balance
was optimized with the track extension in place.
To install the track extension, remove the 14 screws from the center rub strip and install
the extension in the same mounting locations.
Tighten fasteners to 70 in-lb (7.9 N·m).
2.3.1 Extreme Track Extension
To install the track extension, follow these steps:
1. Use hardware provided to install extension struts to the track
extension (see gure 1) and torque nuts to 70.81 in-lb (8 Nm).
Install track extension struts to track extension before installing
track extension to splitter.
2. Remove rubstrip from splitter panel and install track extension
(torque nuts to 70.81 in-lb [8 Nm]).
3. Remove bumper beam nut located behind the grille (see gure 2).
4. Insert bracket through top grille opening from the center of the car,
slide outboard to bumper beam stud location, rotate and place on
stud, and install nut. Torque to 425 in-lb (48Nm) (see gure 3).
5. Connect extension struts to the track extension brackets using
the pin on the strut.
6. Finally, Adjust the strut length to tighten the system.
Figure 1
Figure 2
NOTE:
• The track extension bracket is designed with an
interference t. Please use caution during installation
to avoid scratching the grille.
• Installation of the track extension may take up to
60min depending on skill level.
• Required tools: 10mm ratcheting end wrench, 3/8”
drive, 6” extension, 15mm socket, 10mm deep socket,
4mm hex key, 11mm wrench, and a torque wrench.
• Front fascia does not need to be removed to install
track extension.
• Brackets are passenger/driver side specic.
Figure 3
2.3.1 Track Extension - Extreme Viper ACR Only
(Continued)
2.4 Hood Extractors
Removing Hood Extractors
1. Remove two Wing Nuts(1).
2. Rotate Hood Louver off studs.
3. Carefully Remove Louver tab from hood slots.
4. Store Wing Nuts in a secure area.
2.4 Hood Extractors (Continued)
Installing Hood Extractors
1. Carefully insert Louver tabs into hood slots.
2. Ensure Hood louver tabs are fully seated (Figure 1).
3. Rotate Hood Louver over studs.
4. Hand tighten wing nuts (1) onto hood studs.
Figure 1
WARNING: Extra care should be taken when installing wing
nuts. Do not over tighten the wing nuts as damage may
occur to the studs.
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