Roush 327R Engine

ROUSH 327R DECK SPORTSMAN ENGINE

ROUSH 327R DECK SPORTSMAN ENGINE
327R – Adds 75 more horsepower and an equal amount on the fun meter. Perfect for a daily driver and those times when a little more under the hood is a requirement.

Technical Specs

Engine Model: 327R
Horsepower (Maximum): 425 HP
Torque (Maximum): 390 lbs./ft
Displacement: 327 cu. in.
Block: Dart Iron Eagle 4-Bolt Main Sportsman, 8.2” Deck
Crankshaft Type: Forged 4340 Steel (Internally Balanced)
Bore and Stroke: 4.00” x 3.250”
Compression Ratio: 10.0:1
Pistons: Wiseco Forged 4.00” Bore
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: 2.05” Intake 1.60” Exhaust
Rocker Arm Ratio: 1.6:1
Spark Plugs: Autolite 3923 (Or Comparable)
Carburetor: Holley 770 CFM w/ Vacuum Secondaries & Electric Choke
Intake Manifold: Edelbrock Victor Jr.
Water Pump: Standard or Reverse Rotation is Available
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 31 Degrees @ 3,000 rpm (Not to Exceed 31)
Oil Pump: High Output - Adjustable
Oil Pan: 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 SFI Rated (Automated Flexplate Available)
Powermaster Super High-Torque (1.6kw)
Roush 327R Dyno