302 "G" 4V | |
1969-1971 | |
Boss | |
Engine Type | 8 cylinder |
90 degree, | |
Overhead Valves (OHV) | |
Displacement | 302 cu.inches (CID) |
Maximum torque | 290 lbs./ft. @4,300 RPM |
Maximum Horsepower | |
290 BHP @ 5,800 RPM | |
470 BHP @ 9,000 RPM | |
(Trans Am Racing Version) | |
Firing Order | 1-5-4-2-6-3-7-8 |
(Number 1 cylinder on right bank, nearest radiator) | |
Bore & Stroke | 4.004" x 3.0028" |
(101.6 mm X 76.0 mm) | |
Compression Ratio | 10.5:1 (1969-70) |
Compression Pressure | 130-170 psi |
Oil Pressure (hot) | 35 to 60 lbf/in2 |
Mains | cross bolted |
Carburetor | Holley 4150-C (4V) |
manual choke | |
Size of Carburetor | |
Fuel | premium gas |
Intake Manifold | aluminum |
Valve train | solid adjustable lifters |
Intake | |
2.225" -2.375" - 1969 | |
2.185"-2.195" 1970-1971 | |
Exhaust | |
1.647"-1.662" early 1969 | |
1.7075"-1.7125" 1969-1970 | |
1.7045-1.7145" - 1971 | |
Distributor | |
dual point | |
vacuum advance | |
RPM limits | |
5,950-6,050 - 1969 | |
6,050-6,150 - 1970 | |
Point Gap | .020" both sets |
Initial Ignition Timing | 16 degrees |
Dwell @ idle RPM | 30-33 |
Spark Plugs | Autolite AF-32 |
(1969-70) | |
Autolite ARF-32 | |
-1971 | |
Plug Gap | .035" |
Long Block Weight | 500 |
in lbs. |