engine FORD MUSTANG 2012 5.G Boss 302 Supplement Manual

USING THE RIGHT BULBS
Function Trade number
Headlamp H13
DRIVETRAIN
Item Description
Rear axle8.8 in. solid rear axle with limited-slip
differential 3.73:1 ratio
Driveshaft2-piece steel
TransmissionMT82 6-speed manual with integral clutch
housing
Gear ratiosGear Ratio
1st 3.66
2nd 2.43
3rd 1.69
4th 1.31
5th 1.00
6th 0.65
Reverse 3.32
ENGINE INFORMATION
Item Description
Configuration90-degree V8
Aluminum block
Aluminum high flow cylinder
heads
Engine weight - 444 lb. (201 kg)
Bore x stroke92.2 x 92.7 mm
(3.63 x 3.65 inches)
Displacement302 cubic inches (5.0L)
Compression ratio11.0:1
Maintenance and Specifications
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2012 05+ Mustang(197)
Supplement, 2nd Printing
USA(fus)

Item Description
Valve trainCompact RFF (roller finger
followers)
Four valves per cylinder
Cam timingTwin independent variable
Fuel systemSequential mechanical returnless
fuel injection
Ignition systemCoil on plug, two knock sensors
Firing order1–5–4–8–6–3–7–2
Throttle bodySingle bore 80 mm
PistonsForged aluminum
CrankshaftFully counterweighted forged steel
Connecting rodsHigh strength forged powder
metal/floating pin
Intake manifoldRunners in a box composite
Exhaust manifoldsPulse separated stainless steel
tubular headers
Engine drivebelt routing
1. Short drivebelt is on first pulley groove closest to engine.
2. Long drivebelt is on second pulley groove farthest from engine.
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Maintenance and Specifications
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2012 05+ Mustang(197)
Supplement, 2nd Printing
USA(fus)

TRACK PREPARATION
The Boss302 and Boss302 Laguna Seca edition have been rigorously
proven out on race tracks. Below are recommendations for optimizing
your Boss302 for a track day event.
•For optimal performance, premium fuel is recommended.
•
Change brake fluid to Super DOT 4 to improve track performance of
braking system (WSS-M6C65-A2), Ford part number (YS4Z-19542-AA).
•Install Ford Racing front brake cooling kit (M-2004-MB) to improve
brake cooling (standard on Laguna Seca edition).
•Remove rear brake dust shields to improve brake cooling.
•Install Ford Racing transmission cooling scoop (M-5025-MBR) to
improve transmission cooling (standard on Laguna Seca edition).
•During extended track sessions in extreme temperatures or
conditions, your Boss 302 may require additional engine cooling
actions. If the water temperature warning light illuminates, return to
the paddock and let the vehicle return to normal operating
temperature while idling before turning the engine off. Prior to the
next session, remove your Boss 302’s upper grille from the front
fascia. This will allow more cooling air to the radiator and allow the
car to run extended sessions in extreme heat. Visit fordracing.com for
additional parts to further enhance the powertrain cooling on your
Boss 302.
•For extended track use, Ford recommends installing a rear differential
cooler to improve rear axle cooling.
•Remove vertical rear tire spoilers at rear edge of rocker moldings.
•The Ford Racing front splitter kit (M-16601-MB, standard on Laguna
Seca edition) can be installed to improve high-speed vehicle stability
and handling. If the Ford Racing front splitter kit will be installed on a
Boss 302 without the Laguna Seca package, Ford recommends
installing the Laguna Seca edition rear spoiler in place of the standard
rear spoiler to maintain aerodynamic balance. This front splitter is
intended for race track use only and is not legal for on-street driving.
It may degrade crash performance and void the vehicle warranty. The
front splitter must be installed by the customer.
Track Use Preparation
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2012 05+ Mustang(197)
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USA(fus)

WARRANTY COVERAGE
The Boss302 carries the same warranty as other Ford Mustang models.
This information is covered in its entirety in the Ford Motor Company
Warranty Guide.
The three unique Laguna Seca Package high performance parts (front
splitter, front brake cooling kit, and transmission cooling scoop) are
intended for track use and have no warranty coverage.
Warranty service for the Boss302 can be obtained at any Ford dealer
nationwide.
Ford does not recommend modifying or racing Ford vehicles, as they are
designed and built to be driven as delivered from the factory. The Ford
Motor Company Warranty Guide discusses vehicle usage and the
installation of aftermarket parts and their effect on warranty coverage.
Please see the Warranty Guide for complete information.
In the event the vehicle is intended for track use, and the loss of
warranty coverage is not of concern, the following vehicle durability
modification is required:
•Ford recommends that you change your axle lubricant and
friction modifier after the initial (first) hour of high-speed
operation or if the vehicle is subjected to track or competition
conditions; thereafter changing the axle lubricant and friction
modifier every 12 hours (under these conditions).
•Ford recommends you change your oil and filter after your
vehicle is subjected to track and/or competition conditions.
Additionally, perform multi-point inspection and the maintenance
outlined in the 150,000 mile (240,000 km) normal maintenance schedule
of thescheduled maintenance informationafter track use. Refer to
the vehicle service manual for removal and installation procedures.
Replace with Genuine Ford and Motorcraftservice parts as needed.
These modifications may not necessarily protect your engine from
damage in competition conditions. Subjecting your vehicle to competition
conditions even with these proposed modifications may render repairs
non-reimbursable under the warranty.
Warranty Coverage
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2012 05+ Mustang(197)
Supplement, 2nd Printing
USA(fus)