Jim Smart
August 27, 2007

Boss 302 Quick Facts

Block has four-bolt main caps
Block has screw-in Welsh-style freeze plugs
3.00-inch stroke steel crankshaft
Special hardened pushrods
Adjustable stud/fulcrum style 1.73 rocker arms
Cleveland 4V head castings with Boss 302-specific coolant passages
Factory 6,150-rpm rev limiter
C3AE forged 289 rods with 31/48-inch rod bolts
Forged TRW pistons designed for Cleveland heads (original equipment)
Windage tray with special Boss 302 oil pan
'69 Boss 302 heads have 2.23/1.71-inch intake/exhaust valves
'70 Boss 302 heads have smaller 2.19/1.71 intake/exhaust valves
290 hp at 5,800 rpm
290 lb-ft of torque at 4,300 rpm
780-cfm Holley 4150 4V carburetor with dual-plane aluminum manifold
Stamped steel chrome valve covers in 1969
Cast-aluminum valve covers for 1970. Some early '70 units had steel covers
Large alternator pulley to reduce revs
Pulley sizing specific to Boss 302
Carter higher-capacity fuel pump
Thermactor emissions system

Ford close-ratio Top Loader four-speed
2.32 First gear
Some early cars were fitted with the wide-ratio Top Loader with 2.78 First gear
9-inch nodular iron rearend with 31-spline axles
Axle ratios were 3.50, 3.91, and 4.30

Special front disc brake spindles
Special front and rear sway bars
Wider 15-inch steel or Magnum 500 wheels
Goodyear Polyglas GT bias-belted tires

1969 Production
1,628 units produced
Dearborn, Michigan, assembly plant only
Introduced on April 17, 1969, to compete with Chevrolet's Z/28 Camaro
No Shaker hood available for Boss 302
Standard and Interior Dcor Group available

1970 Production
7,023 units produced
Dearborn, Michigan, and Metuchen, New Jersey plants
None produced at San Jose, California
Shaker hood available
Standard, Interior Dcor Group, and Sports Interior available

Boss 302 Registry

Mustang Boss 302
Ford's Trans Am Pony Car
by Donald Farr
While this book is no longer in print, it is sometimes available used from eBay and through private sale.