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To select bar graph forward low mode, enter Setup, then press the A
button until “bGFL” is displayed. Press ENTER to confirm. The current
setting should be displayed, and can be adjusted up and down from .3 to
2.0 G’s using the A and C buttons. When the desired result is displayed,
press ENTER to confirm. The bar graph low setting is preset to -0.7G.
Bar graph lateral setting:
The bar graph lateral mode allows you to adjust the G force scale for
lateral acceleration (cornering) as shown on the gauge when operating
on the lateral axis in real time mode. For example, if you set the “bGL”
to 1g, when the bar is fully lit on either side, the vehicle is achieving 1g
of force or more during cornering.
To select bar graph lateral mode, enter Setup, then press A until “bGL”
is displayed. Press ENTER to confirm. The current setting should be
displayed, and can be adjusted up and down from .3 to 2.0 G’s using the
A and C buttons. When the desired result is displayed, press ENTER to
confirm.
Reaction time:
Enabling this function allows the gauge to test your reaction time while
in the 1/4 mile mode only. With reaction time on, the gauge will perform
a dragstrip “Christmas Tree” start and then measure the time it takes
between when it displays “Go” and when the vehicle starts to move.
•To enable or disable reaction time, enter Setup mode, and press A
until “rEAC” is displayed. Press ENTER to confirm. The display will
then read “on” if reaction time feature is enabled, or “oFF” if it is
disabled.
•To enable reaction time, press A. To disable, press C. When the
desired result is displayed, press ENTER to confirm.
Start G’s:
The Starting G’s setting allows the customer to adjust the sensitivity of
the accelerometer within the performance gauge. This setting affects
how quickly the gauge detects movement of the vehicle when
determining vehicle start time. Too low of a setting may result in false
starts due to engine vibration. Too high of a setting may result in the
gauge not properly detected at the start of the run. The gauge has been
optimally programmed to 0.7 G’s for this vehicle.
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Display on/off:
This allows the customer to turn on/off the performance gauge LED bar
graph and seven segment displays. To enable Display on/off,
simultaneously hold down buttons A and C to turn off the display. The
gauge will display “DOFF” before turning off the display. To exit Display
on/off, press any of the three front panel buttons. The gauge will then
momentarily display “DON” and then enter the Real time operating
mode. The LED bar graph and seven segment display will be turned off.
The Ford oval will be illuminated during display off.
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ADVANCETRACSTABILITY ENHANCEMENT SYSTEM
AdvanceTracsport mode
The AdvanceTracsystem provides an available sport mode specially
calibrated for the Boss302 and its unique performance characteristics.
This can be selected utilizing the stability control off switch. While in
AdvanceTracsport mode, the selected steering option will be
overridden and placed in sport mode. See theDrivingsection of the
Owner’s Guidefor more information.
DRIVING YOUR VEHICLE THROUGH WATER
The Boss302 has aerodynamic devices attached to the underbody
designed to help control airflow for superior performance. Therefore, the
driver must be especially careful to avoid driving through deep or
standing water. If driving through deep or standing water is unavoidable,
proceed very slowly. Never drive through water that is higher than the
bottom of the wheel rims. Water may enter through the air intake due to
the vacuum generated in the engine. Damage caused by the intake of
water in the engine is not covered by the warranty. Refer toTi r e
informationfor more information.
GROUND CLEARANCE
Because of low vehicle ground clearance, use caution when
approaching curbs/curb stops from the front and rear as vehicle
damage will occur. Additionally, when crossing speed bumps or
driveway curbs, Ford recommends approaching at a very low
speed.
Driving your Boss302
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WASHING YOUR VEHICLE
Do not drive your vehicle through an automated, commercial car
wash due to the vehicle’s low ground clearance, tire width and
track width. Wash your vehicle by hand, or by using a touchless
commercial wash with no mechanical tracks on the floor. Do not
use a commercial or high pressure wand on the striped surfaces
or stripe edges.
TRAILER TOWING
WARNING:Never tow a trailer with this vehicle. Your vehicle is
not equipped to tow. No towing packages are available through
an authorized dealer.
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SUSPENSION
•MacPherson strut with L-arm front suspension
•8.8 inch solid rear axle with limited slip differential (3.73:1 ratio)
Boss302:
•34.6 x 4.4 mm tubular front stabilizer bar
•25.0 mm solid rear stabilizer bar
•Tokico twin tube adjustable shocks and struts
•26.0 N/mm front and 32.4 N/mm rear coil springs
Boss302 with Laguna Seca package:
•34.6 x 4.4 mm tubular front stabilizer bar
•26.0 mm solid rear stabilizer bar
•Tokico twin tube adjustable shocks and struts
•24.0 N/mm front and 33.5 N/mm rear coil springs
ADJUSTABLE SUSPENSION DAMPERS
Your vehicle has adjustable
suspension dampers. The
adjustment controls are located on
top of the damping rods and can be
adjusted with a small screwdriver.
Remove the cap to access the
control for the front strut.
To access the rear shock, pull the
carpet back in the trunk area. Then,
lift the trim panel and pull rearward
to expose the adjustable suspension
damper.
Position (1) has the lowest damping
force which provides for a more
comfortable ride. Position (5) has
the highest damping force which
provides more responsive handling.
Position (2) is the factory setting
(shown in graphic).
Left and right dampers should always be set to the same dial position.
Front and rear can be adjusted independently to change vehicle response.
1
2
3
4
5
Chassis
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WHEELS
Your Boss302 is equipped with unique wheels matched to the tires.
These wheels are more susceptible to damage due to their diameter,
width and low profile tires. To avoid damage to your wheels:
•Maintain proper tire pressure (seeTiresin this supplement).
•Do not drive your vehicle through an automated, commercial car wash
due to the vehicle’s low ground clearance, tire width and track width.
Wash your vehicle by hand, or by using a touchless commercial wash
with no mechanical tracks on the floor.
•When installing wheels, always torque lug nuts to specification with a
torque wrench.
•Inspect your wheels for damage on a regular basis. If a wheel is
damaged, replace it immediately.
•In the event that you encounter an abnormally harsh impact, inspect
the outer edge of your wheels, both inside and out, for damage.
Operating at high speeds
Your Boss302 is capable of high speeds and is equipped with tires
rated for the vehicle’s maximum speed, electronically limited to 155 mph
(250 km/h). Remember to drive safely, obey all traffic laws and only
operate your vehicle at high speeds at locations equipped and designed
to do so safely. Before operating your vehicle at high speeds:
•Ensure correct tire pressures (seeTiresin this supplement).
•Inspect wheels and tires for wear and damage. Replace any damaged
wheels or tires.
•Do not operate your vehicle at high speeds with more than two
passengers or while carrying cargo.
Wheel lug nut torque specifications
Retighten the lug nuts to the specified torque at 500 miles (800 km)
after any wheel disturbance (tire rotation, changing a flat tire, wheel
removal, etc.).
Bolt size Wheel lug nut torque*
ft-lb N•m
1 2x 20 100 135
* Torque specifications are for nut and bolt threads free of dirt and
rust. Use only Ford recommended replacement fasteners.
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WARNING:When a wheel is installed, always remove any
corrosion, dirt or foreign materials present on the mounting
surfaces of the wheel or the surface of the wheel hub, brake drum or
brake disc that contacts the wheel. Ensure that any fasteners that
attach the rotor to the hub are secured so they do not interfere with
the mounting surfaces of the wheel. Installing wheels without correct
metal-to-metal contact at the wheel mounting surfaces can cause the
wheel nuts to loosen and the wheel to come off while the vehicle is in
motion, resulting in loss of control.
IMPORTANT TIRE INFORMATION
Your vehicle is equipped with unique wheels and tires designed to
enhance performance. To continue providing this performance, extra
care must be taken when operating and maintaining your vehicle.
Wheels and tires
Boss30219in.x9.0in.front,19in.x9.5in.rear
cast aluminum wheels
255/40ZR19 front, 285/35ZR19 rear tires
Boss302 with
Laguna Seca
Package19 in. x 9.0 in. front, 19 in. x 10.0 in. rear
lightweight cast aluminum wheels
255/40ZR19 front, 285/35ZR19 rear tires
(ultra high performance)
Tires
Your Boss302 is equipped with low profile, high performance tires that
are designed to optimize the car’s driving dynamics. These tires are not
optimized for off-road or winter (snow or cold weather) performance,
and their ride, noise and wear characteristics are different than
non-performance tires. Also, because of their lower profile, the tires are
more susceptible to damage due to potholes and rough roads. To ensure
that your tires perform as intended, it is important that you maintain
your tires properly.
•The Boss302 and Boss302 with Laguna Seca Package original
equipment tires are optimized for maximum steering and handling
performance. Ford does not recommend using these tires in cold
temperatures of approximately 40°F (5°C) and below (depending on
tire, surface and weather conditions). See your Ford dealer for
recommended tires in these conditions.
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•The Boss302 with Laguna Seca Package is equipped with ultra
high-performance, dry weather-only summer tires that provide
superior steering and handling.
WARNING:If equipped with the Laguna Seca Package, never
drive with these tires in any wet conditions (rain, snow, ice, etc.)
because they cannot channel water away and will slide risking serious
injury.
•Do not use tire chainson the original wheels and tires of your
vehicle. The use of any type of tire chain on these tires may damage
your vehicle.
•Always maintain your tire pressures according to the tire information
placard on the driver’s door jamb, using an accurate gauge.
•Tire pressures are specified “cold” and should be checked after the
vehicle has been parked for at least 3 hours. Do not reduce pressure
of warm tires.
•Check your tire pressure often to maintain it properly. Tire pressure
can diminish over time and fluctuate with temperature.
•Do not overload your vehicle. Maximum vehicle and axle weights are
listed on the tire information placard.
•Extra caution should be taken when operating the vehicle near its
maximum load, including assuring proper tire pressure and reducing
speeds.
•Extra caution should be taken when operating on rough roads to avoid
impacts that could cause tire damage.
•In the event that you encounter an abnormally harsh impact, inspect
your tires for damage.
•Inspect your tires for damage on a regular basis. If a tire is damaged,
replace it immediately.
•Proper suspension alignment is critical for maximum performance and
optimal tire wear. If you notice uneven tire wear, have your alignment
checked.
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