Roush BD427RPC 427 CI Race Performance Carbureted Engine

Description

Restore dominant race pace with the Roush BD427RPC Crate Engine, configured for commercial long block repower track cars that require pure competition mechanical simplicity. This 427 cid 7.0L Ford small block yields 560HP at 6,200 RPM. Machinists must check starter ring gear tooth counts on external flywheels before transmission alignment.

Solid ASTM A48 Class 35 cast iron shapes the aftermarket 4-bolt main engine block. A forged 4340 chromoly steel crankshaft pairs with heavy beam connecting rods inside this Roush engine core. The 12V starter pulls 175A under standard cold crank testing. Dry engine weight measures 490 lbs within dimensions of 28in length by 25in width by 27in height. Pan capacity holds 7.0 quarts.

Key Features of Roush BD427RPC

Fleet supervisors buy Roush BD427RPC Crate Engine units for severe industrial engine rebuild programs that demand turn key reliability. A single plane aluminum intake manifold pairs with a calibrated competition four barrel carburetor.

• CNC ported aluminum cylinder heads house 2.08in intake valves to maximize cylinder air fill volume.
• A mechanical solid roller camshaft delivers rapid valve opening rates for peak upper RPM breathing.
• The four barrel carburetor meters large fuel volume under wide open throttle without complex wiring harnesses.
• Forged aluminum pistons endure intense combustion pressure cycles without wrist pin galling.
• The BD427RPC commercial core maintains rod bearing oil clearances within 0.0018in tolerances.
• Roller rocker arms feature precision trunnion bearings that eliminate friction across high lift sweeps.
• High volume oil pump pickups provide steady oil delivery under rapid acceleration forces.

Dynamometer Bench Testing Thermal Ratings

Dyno bench certification confirms 560HP at 6,200 RPM and 540 ft-lbs torque at 4,500 RPM for this BD427RPC long block engine. Gauge monitors record 58 PSI oil gallery pressure at 2,500 RPM with oil temperatures stabilizing at 195°F. Cylinder compression checks record 190 PSI across all eight cylinders within 3% balance. Crankshaft runout checks show 0.0002in TIR total runout. Exhaust temperature probes report 1,280°F under peak load.

Shop Installation Maintenance Protocol Requirements

Manual throttle return springs demand 5 lbs linkage pull tension for positive closure against engine vibration. Mechanics must avoid this commercial replacement engine for passenger car platforms lacking upgraded high torque drivelines and heavy cooling cores.

• Drain break in oil after 500 miles or 15 track hours then refill with 15W-50 racing oil.
• Check mechanical roller lifter lash at 0.016in cold clearance every 30 race hours.
• Torque cylinder head fasteners to 80 ft-lbs following initial dynamometer thermal cycles.

Crate Inclusions Verified Warranty Terms

This package features the Roush build standard with 2-Year or 24,000-mile warranty protection. Shipping crates enclose the dressed long block, aluminum intake manifold, carburetor, distributor, water pump, harmonic balancer, oil pan, valve covers, plus certified dyno test documentation.