Ford 331 Stroker • Dressed Engine • Cast Iron Heads • Roller Cam
HP & Torque: HP 320 / FT 350 LBS
Compression Ratio: 9.5:1
Cast Iron Heads
Hypereutectic Pistons
Roller Cam
Cast Steel Crank
Part #: BP3312CTF


Hand picked 2 bolt seasoned 302 for 1986-1993 Ford Mustang
Square and parallel decked
Align honed main bearing bore
Cylinders honed on computer controlled machine to within .0002 straightness and roundness

Rotating Assembly:

New cast steel crankshaft
Hypereutectic pistons
Forged I beam rods
Hastings Moly rings
Rotating assembly balanced to within 2 grams
Melling high volume oil pump
Hydraulic roller camshaft
Cloyes double roller timing chain
Camshaft is degreed to ensure maximum horsepower

Cylinder Heads:

Cast iron
Hardened retainers and springs
1.94 swirl polished intake valves
1.60 swirl polished exhaust valves

Cam Specs:

Cam Type: Roller
.543 Intake .554 Exhaust
218 Intake / 226 Exhaust duration
@ .050 - 112 degree lobe separation

Ignition Timing:

34 Degrees Total at 3500 RPM

Also Includes:

Fuel injected intake manifold for 1986 - 1993 Mustang
Timing cover and valve covers
Front sump oil pan
Brass Freeze Plugs
Dyno test results shipped with engine


30 month / 50,000 mile


BluePrint Engines recommends a 2000- 2400 rpm stall converter.


Not for use in pollution controlled vehicles.

Recommended Spark Plugs - Champion 406

Recommended Spark Plug gap - .040"

Recommended Break In oil - BPP710 (5 qts plus filter capacity)

Recommended harmonic balancer - BPP28 - 28 oz weighted

Recommended flexplate/flywheel - 28 oz weighted

91 Octane

BluePrint Engines recommends upgrading injectors to 24lbs and calibrate the ECU. The stock injectors and ECU could cause the engine to run lean and result in engine failure

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