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Don't Think that a middle of the road 5.0 Liter (302)-based engine will just give middle of the road performance. The Roush 324 Family can easily fit most budgets, but will provide more smiles per mile than most other engines on the market and runs on premium pump fuel. Utilizing a Dart Sportsman block, its lengthy list of forged components and fully CNC-ported heads this engine delivers power and durability running on premium pump fuel.
342R - When space in the engine compartment is limited but maximum performance is desired 342R is the answer.
- Horsepower (maximum): 450 HP (estmated)
- Torque (maximum): 420 Lbs./Ft. (estimated)
- Displacement: 342 Cu. In.
- Block: Dark Iron Eagle 4-bolt main Sportsman, 8.2* Deck
- Crankshaft Type: 4340 Forged Steel (internally Balanced)
- Bore and Stroke: 4.00" x 3.400"
- Connecting Rod Type: 4340 Forged 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
- Combustion Chamber Volume: 61 CC
- Valve Sizes: 2.02" Intake 1.60* Exhaust
- Rocker Arm Ratio/Type: 1.6:1
- Spark Plugs: Autolite 3923 (or comparable)
- Carburetor: Edlebrock Victor Jr.
- Water Pump: Reverse-rotation is standard, standard rotaion available
- Fuel System: Holley 770 CFM carburetor w/ vacuum secondaries and electric choke
- Fuel Requirements: Premium Unleaded (93 octane minimum or highest available)
- Max. Recommended RPM: 6,250
- Firing Order: 1-3-7-2-6-5-4-8
- Oil Pump: Melling High Output - Adjustable
- Timing: 31 to 34 degrees @ 4,000 rpm (not to exceed 35)
- Oil Pan: 8-quart T-Style Front Sump or FOX-Style Dual Sump Available
- 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: Ford Motorsports Super High Torque (1.6kw) (or equivalent)
