Roush 402SR Engine

ROUSH 402SR DECK DART ENGINE

ROUSH 402SR DECK DART ENGINE
402SR – Available in two cam configurations; both are built with dual plane intake manifolds. Both are designed to offer the ultimate in driving, but you can make a choice between a modest ride and a torque-monster.

Technical Specs

Engine Model: 402SR w/ E303 Cam
Horsepower (Maximum): 430 hp
Torque (Maximum): 470 ft.-lbs.
Displacement: 402 cu.in.
Block: Dart Iron Eagle 4-Bolt Main Sportsman, 9.5” Deck
Crankshaft Type: Forged 4340 Steel (Internally Balanced)
Bore and Stroke: 4.00” x 4.00”
Connecting Rod Type: Forged 4340 Steel “H-Beam”
Compression Ratio: 10.0:1
Pistons: Wiseco Forged w/ Plasma Moly Rings & Lightweight Pins
Timing Chain: Double Roller
Camshaft Info: Roush Proprietary
Lifter Type: Hydraulic Roller
Cylinder Heads: Aluminum
Intake Runner Volume: 185 cc, Fully CNC Ported
Combustion Chamber Volume: 61 cc
Valve Sizes: 2.02” Intake 1.60” Exhaust
Rocker Arm Ratio: 1.6:1
Spark Plugs: Autolite 3923 (Or Comparable)
Intake Manifold: Edelbrock Performer RPM Dual Plane
Fuel System: Holley 770 CFM Carburetor w/ Vacuum Secondaries and Electric Choke
Fuel Requirements: Premium Unleaded (Minimum)
Max. Recommended RPM: 6,250
Firing Order: 1-3-7-2-6-5-4-8
Timing: 29 to 33 Degrees @ 4,000 rpm (Not to Exceed 33)
Oil Pump: Melling High Output - Adjustable
Oil Pan: Powder Coated 8 qt. Front Sump - Baffled or Dual-Sump (Mustang) Available *Horsepower Output Can Be Reduced When Engine is Equipped with the Dual-Sump Pan
Oil Filter: Motorcraft FL1-HP (Or Comparable)
Oil Weight: 10w30 - Non Synthetic for First 3,000 Miles
Flywheel: Steel, 157 Tooth, (Balanced to 0 oz.)
Starter: Powermaster Super High Torque (1.6kw)(Or Equivalent)
Roush 402SR Dyno