Roush 353IR Cobra Engine | Deck Dart Engine

Roush 353IR Engine

Home Engines Roush Engines Roush 353IR Engine

ROUSH 353IR DECK DART ENGINE

353IR – As the flagship of the ROUSH 5.0 Liter engines it only makes sense that ROUSH’s exclusive 8-stack induction system was utilized. Though it might look like a “Weber,” this fuel-injected system includes the ROUSH-engineered calibration and exclusive intake manifold design.

Technical Specs

Engine Model: 353IR Single 4V Carburetor

Horsepower (Maximum): 475 HP Est. (w/ Front Sump Pan)

Torque (Maximum): 450 Lbs./Ft. Est.

Displacement: 353 cu. in.

Block: Dart 4-Bolt Iron Eagle, 8.2” Deck, 4-Bolt Main #’s 2,3, & 4

Crankshaft Type: Eagle Forged 4340 Steel (Internally Balanced)

Bore and Stroke: 4.150” 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: Roush Proprietary

Lifter Type: Hydraulic Roller

Cylinder Heads: Roush/AFR Aluminum

Intake Runner Volume: 205 cc, Fully CNC Ported

Combustion Chamber Volume: 61 cc

Valve Sizes: 2.08” Intake 1.600” Exhaust

Rocker Arm Ratio: 1.6:1/Full Roller, Extruded Aluminum Body

Spark Plugs: Autolite 3923 (Or Comparable)

Intake Manifold: Edelbrock Victor Jr. Single Plane

Fuel System:

Fuel Requirements: Premium Unleaded (Minimum)

Max. Recommended RPM: 6,250

Firing Order: 1-3-7-2-6-5-4-8

Timing: 30 to 34 degrees @ 4,000 rpm

Oil Pump: Melling High Volume - Adjustable

Oil Pan: Canton Racing 8 qt. Fully Baffled Front Sump Road Race-Powdercoated

Oil Filter: Motorcraft FL1-HP (Or Comparable)

Oil Weight: 10w30 - Non Synthetic for First 3,000 Miles

Flywheel: McLeod SFI Rated Steel, 157 Tooth Ring Gear

Starter: Powermaster High Torque Gear Reduction (Or Equivalent)

Roush 353IR Engine

ROUSH 353IR DECK DART ENGINE

Technical Specs

Follow our social media

Newest Listings