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Title Shelby cars north west, factory authorized dealer for shelby automobiles


Roush Engine 588R

588R - The first member of the family takes the word horsepower to an entirely new level. Just imagine how it will feel with 630 horses and 690 lb.-ft of torque rumbling underneath your foot, ready to tear up the asphalt and keep the road crews in your neighborhood gainfully employed

Technical Specs

Engine Model: 588R
Horsepower (maximum):
630 hp (with Victor intake)
Torque (maximum): 690 ft.-lbs.
Displacement: 588 cu. in.
Ford Racing A-460/Eliminator Sportsman
Crankshaft Type:
Nodular Iron (Externally Balanced)
Bore and Stroke: 4.560 x 4.500”
Connecting Rod Type:
Forged 4340 Steel “H-beam”
Compression Ratio: 10.25:1
Pistons: Forged
Timing Chain: Double Roller
Camshaft Info: Roush Proprietary
Lifter Type: Hydraulic Roller
Cylinder Heads: Aluminum
Intake Runner Volume:
290 cc Super Cobra Jet
Combustion Chamber Volume: 61 cc
Valve Sizes: 2.200” Intake 1.760” Exhaust
Rocker Arm Ratio: 1.7:1

Spark Plugs: Autolite 3923 (or comparable)
Intake Manifold: Single Plane
Fuel System: Holley HP 1000 CFM Carburetor w/ mechanical secondaries
Fuel Requirements:
Premium Unleaded (minimum)
Max. Recommended RPM: 6,500
Firing Order: 1-5-4-2-6-3-7-8
31 to 34 degrees @ 4,000 rpm (not to exceed 35)
Oil Pump: High Output - Adjustable
Oil Pan:
Dual Sump (FOX Mustang)/Other Configurations Available
Oil Filter:
Motorcraft FL1-HP (or comparable)
Oil Weight: 10w30
Steel, 157 tooth (Aluminum Available) Externally Balanced
Ford Motorsports Super High Torque (1.6kw) (or equivalent)

Roush 588R Dyno