302 "J" 4V
1968
 
 
Engine Type 8 cylinder
90 degree,
Overhead Valves (OHV)
Displacement 302 cu.inches (CID)
Maximum torque 310 lbs./ft. @ 2,800 RPM
Maximum Horsepower  
230 BHP @ 4,800 RPM
 
250 BHP @ 4,800 RPM
(Shelby Cobra GT 350 only)
 
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 10.1:1
Compression Pressure 130-170 psi
Oil Pressure (hot) 35 to 60 lbf/in2
Mains 2-bolt
   
Carburetor Autolite 4300 (4V)
  automatic choke
   
Size of Carburetor  
Fuel premium gas
Intake Manifold cast iron
 
aluminum
(Shelby Cobra only)
Valve train hydraulic lifters
Intake 1.773"-1.788"
Exhaust 1.442"-1.457"
Distributor  
 
single point
vacuum advance
 
 
 
Point Gap .017" for IMCO
.021" for Themactor
Initial Ignition Timing 6 degrees
Dwell @ idle RPM 26-31 for IMCO
24-29 for Thermactor
Spark Plugs Autolite BF-42
Plug Gap .032"-.036"
Long Block Weight 475
in lbs.



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