Roush 327SR Engine

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ROUSH 327SR DECK SPORTSMAN ENGINE

ROUSH 327SR DECK SPORTSMAN ENGINE
327SR – Designed for the driver looking for premium components but prefers a milder drive with 350 horsepower and 350 lb-ft. torque. Comes with a dual plane intake for improved driveability.

Technical Specs

Engine Model: 327SR
Horsepower (Maximum): 350 HP (Estimated)
Torque (Maximum): 390 lbs./ft (Estimated)
Displacement: 327 cu. in.
Block: Dart Iron Eagle 4-Bolt Main Sportsman, 8.2” Deck
Crankshaft Type: Eagle 4340 Forged Steel
Bore and Stroke: 4.00” x 3.250”
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: Hydraulic Roller w/ Roush Proprietary Grind
Lifter Type: Hydraulic Roller
Cylinder Heads: Roush/AFR CNC Ported Aluminum
Intake Runner Volume: 185 cc
Combustion Chamber Volume: 61 cc
Valve Sizes: 2.02” Intake 1.60” Exhaust
Rocker Arm Ratio: 1.6:1 Full Roller w/ Aluminum Body
Spark Plugs: Autolite 3923 (Or Comparable)
Carburetor: Holley 770 CFM w/ Vacuum Secondaries & Electric Choke
Intake Manifold: Edelbrock Performer RPM Dual Plane
Water Pump: Standard or Reverse Rotation is Available
Fuel Filters: Roush Billet
Fuel Pump: Holley Mechanical (N/A w/ Reverse Rotation Water Pump)
Air Cleaner: Roush Billet Oval
Valve Covers: Roush Logo Die-Cast Aluminum w/ Billet Plug Wire Looms
Fuel Requirements: Premium Unleaded (93 Octane Minimum or Highest Available)
Max. Recommended RPM: 6,000
Firing Order: 1-3-7-2-6-5-4-8
Oil Pump: Melling High Output - Adjustable
Ignition: MSD Billet Disributor w/ Ford Racing 9mm Plug Wires
Timing: 29 to 31 Degrees @ 3,000 rpm (Not to Exceed 31)
Oil Pan: 8 qt. T-Style Front Sump or FOX-Style Dual Sump Available *Peak Horsepower May Be Reduced When Engine is Equipped with the Dual-Sump Pan
Oil Filter: Motorcraft FL1-HP (Or Comparable)
Oil Weight: 10w30 Non-Synthetic for the First 3,000 Miles
Flywheel: Steel SFI Rated, 157 Tooth
Starter: Powermaster High-Torque

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