260 Engine Specifications

260 "F"
1963-65
260 "D"
1964 1/2
Engine Type
8 cylinder
90 degree,
Overhead Valves (OHV)
8 cylinder
90 degree,
Overhead Valves (OHV)
Displacement
260 cu.inches (CID)
260 cu.inches (CID)
Maximum torque

258 lbs./ft. @ 2,200 RPM
(standard)
269 lbs./ft. @ 4,500 RPM
(Shelby Cobra)

 
Maximum Horsepower
164 BHP @ 4,400 RPM
(standard)
260 BHP @ 5,800 RPM
(Shelby Cobra)
 
Firing Order
1-5-4-2-6-3-7-8 (number one cylinder on right hand bank nearest radiator.)
1-5-4-2-6-3-7-8 (number one cylinder on right hand bank nearest radiator.)
Bore & Stroke
3.80" X 2.87"
(96.5 mm X 72.8 mm)
4.00" X 2.87"
Compression Ratio
8.8:1 (standard)

9.21:1 (Shelby Cobra)

 
Compression Pressure
130-170 psi
130-170 psi

Oil Pressure (hot)

35 to 60 lbf/in2
 
Mains
 
 
Carburetor

Autolite 2100 (2V)
automatic choke

Autolite 4100 (4V)
manual choke

Autolite 2100 (2V)
automatic choke

Autolite 4100 (4V)
manual choke

Size of Carburetor
 
 
Fuel
regular gas
regular gas
Intake Manifold
cast iron (standard)

aluminum (Shelby only)

cast iron (standard)

aluminum (Shelby only)

Valve train
hydraulic lifters (standard)

solid & adjustable lifters (Shelby Cobra)

hydraulic lifters (standard)

solid & adjustable lifters (Shelby Cobra)

Intake
1.662"-1.6787"
1.662"-1.6787"
Exhaust
1.442"-1.457"
1.442"-1.457"
Distributor
single point
vacuum advance (standard)

dual point
mechanical advance
(Shelby Cobra)

single point
vacuum advance (standard)

dual point
mechanical advance
(Shelby Cobra)

Spark Plugs
Autolite BF-42
Autolite BF-42
Point Gap
.014"-.016"
.032-.036
Initial Ignition Timing
4 degrees (Manual)
8 degrees (Automatic)
8 degrees
Long Block Weight
in lbs.
460
460
Emission Controls
 
 
RPM Rev Limiter
 
 

1962 - Used in the Shelby Cobra, the Mercury Comet and the Ford Fairlaine.

1963 - Used in the Shelby Cobra, the Mercury Comet, the Ford Fairlane, the Ford Galaxy, and the Mercury Meteor

1964 - Used in the Shelby Cobra, the Mercury Comet, the Ford Fairlane, and the Ford Falcon.

1965 - Used in the newly introduced Mustang in April 1964 and was offered only until August.

 


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