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Challenger and Challenger R/T Engine Lineup
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Posted by: Mopar Dragon

All Dodge engines are equipped with the exhaust emmisions control system.

Slant Six-225-cu-in.
Standard on all challenger sixes.
N.A. R/T
To equalize fuel distribution and minimize back pressure and power loss, there is an intake and an exhaust passage for each cylider. Heated inlet air system. Faster acting choke. Single exhaust system. One barrel carburetor.

Specifications:
Engine type: 6 cyl. OHV
Piston displacement: 225 cu. in.
Bore and Stroke: 3.40" x 4.125"
Compression ratio: 8.4:1
Horsepower @ r.p.m.: 145@4000
Torque, lb.-ft. @ r.p.m.: 215 @2400
Fuel recommended: Regular
Standard axle ratios: 3.23 w/3-spd. manual; 2.76 w/auto

318-cu.-in. V-8
Standard Challenger V-8 Models.
N.A. R/T
Hydraulic tappets reduce valve-train noise and do away with periodic tappet adjustments. Single-level intake manifold. Heated air inlet system. Faster acting choke. Cast-iron crankshaft. New pistons to reduce compression ratio and hydrocarbon emmisions. Two-barrel carburetor. Single-exhaust system.

Specifications:
Engine type: OHV V-8
Piston displacement: 318 cu. in.
Bore and Stroke: 3.91" x 3.31"
Compression ratio: 8.8 to 1
Horsepower @ r.p.m.: 230@4400
Torque, lb-ft@r.p.m.: 320 @2000
Fuel Recommended: Regular
Standard axle ratios: 3.23 w/3-spd. man.; 2.76 w/auto

340-cu.-in. V-8
Optional Challenger.
N.A. Challenger R/T
Forged crankshaft. Double-roller timing chain and sprockets. Four-barrel carburetor. Dual exhaust system. Unsilenced air cleaner. Special camshaft. Solonoid operated idle throttle stop reduces idle speed to prevent "after running" when igition is turned off. Normal engine idle is 800-1000 rpm. Air conditioning and power steering available with this engine.
Specifications:
Engine type: OHV V-8
Piston displacement: 340 cu.in.
Bore and Stroke: 4.04" x 3.31"
Compression ratio: 10.5 to 1
Horsepower @ r.p.m: 275 @ 5000
Torque, lb-ft. @ r.p.m.: 340@3200
Fuel recommended: Premium
Standard axle ratios: 3.23 w/3-spd. manual; 3.23 w/auto

383-cu.-in. 2-bbl. V-8
Optional all challenger models.
N.A. R/T
Single exhaust system. New pistons reduce compression ratio and hydrocarbon emmisions. Standard camshaft and silenced air cleaner. Faster acting choke. Solenoid-operated mechanism retards ignition timing when throttle is closed. Two-barrel carburetor.
Specifications:
Engine type: OHV V-8
Piston displacement: 383 cu. in.
Bore and Stroke: 4.25" x 3.38"
Compression ratio: 8.7 to 1
Horsepower @ r.p.m.: 290 @ 4400
Torque lb.-ft. @ r.p.m.: 390 @ 2800
Fuel recommended: Regular
Standard axle ratios: 2.76 w/auto

383-cu.-in. 4-bbl. Magnum V-8
Optional all challenger models. Standard R/T
Dual exhaust. Four-barrel carburetor, standard camshaft, double snorkel air cleaner, new pistons reduce compression ratio and hdrocarbon emissions, faster acting choke, and a solenoid-operated mechanism retards timing when throttle is closed. Heater air inlet system.
Specifications:
Engine type: OHV V-8
Piston displacement: 383 cu. in.
Bore and Stroke: 4.25" x 3.38"
Compression ratio: 9.5 to 1
Horsepower @ r.p.m.: 335 @ 5200
Torque, lb-ft. @ r.p.m: 425 @ 3400
Fuel recommended: Premium
Standard axle ratios: 3.23 w/3spd. manual; 2.76 w/auto.

Challenger R/T Engine Lineup:
All Dodge Engines are equipped with the exhaust emissions control system.
383-cu.-in. 4-bbl. Mangum V-8
Standard Challenger R/T
This engine has an unsilenced air cleaner, a special high lift, high-performance camshaft, windage tray, and dual exhaust. New pistons reduce compression ratio and hydrocarbon emissions. Heated inlet air system, Faster acting choke. Solenoid-operated mechanism retards ignition timing when throttle is closed.

Specifications:
Engine Type: OHV V-8
Piston displacement: 383 cu. in.
Bore and Stroke: 4.25" x 3.38"
Compression ratio: 9.5 to 1
Horsepower @ r.p.m.: 335 @ 5200
Torque, lb.-ft. @ r.p.m: 425 @ 3400
Fuel recommended: Premium
Standard axle ratios: 3.23 w/ 3-spd. manual; 3.23 w/auto

440-cu.-in. 4-bbl. Magnum V-8
Optional Challenger R/T
N.A. Challenger
Special four-barrel carburetor, special longer duration camshaft, low-restriction exhaust manifolds, large-diameter dual exhaust system. New pistons reduce compression ratio and hydrocarbon emissions. Heated inlet air system. Faster acting choke. Solenoid-throttle stop causes the throttle blades to close completely when the ignition is turned off-preventing "after-running."

Specifications:
Engine type: OHV V-8
Piston displacement: 440 cu. in.
Bore and Stroke: 4.32" x 3.75"
Compression ratio: 9.7 to 1
Horsepower @ r.p.m.: 375 @ 4600
Torque, lb-ft. @ r.p.m.: 480 @ 3200
Fuel recommended: Premium
Standard axle ratios: 3.54 w/4-spd. manual-Sure Grip; 3.23 w/ auto

440-cu.-in. Six Pack V-8
Optional in Challenger R/T
N.A. Challenger
Three two-barrel carburetors, special camshaft, unsilenced air cleaner, low-restriction exhaust manifolds, large dual exhaust system. A solenoid throttle stop causes the throttle blades to close completely when the ignition is turned off-preventing "after-running." A 12-month/12,000-mile warranty applies and is limited to the original purchaser.

Specifications:
Engine type: OHV V-8
Piston displacement: 440 cu. in.
Bore and stoke: 4.32" x 3.75"
Compression ratio: 10.5 : 1
Horsepower @ r.p.m.: 390 @ 4700
Torque, lb-ft @ r.p.m.: 490 @ 3200
Fuel recommended: Premium
Standard axle ratios: 3.54 w/4-spd. manual,Sure-Grip; 3.23 w/auto.

426-cu.in. Hemi V-8
Optional in Challenger R/T
N.A. Challenger
Hemispherical combustion chambers, two tandem-mounted 4-barrel carburetors, maximum performance fuel pump, a special 3/8" fuel line, and a dual-breaker distributor. A solenoid throttle stop causes the throttle blades to close completely when the ignition is turned off-preventing "after-running." New hydrualic valve lifters. A 12-month/12,000-mile warranty applies and is limited to the original purchaser.

Specifications:
Engine type: OHV V-8
Piston displacement: 426 cu.in.
Bore and Stroke: 4.25" x 3.75"
Compression ratio: 10.25 to 1
Horsepower @ r.p.m.: 425 @ 5000
Torque. lb.-ft. @ r.p.m.: 490 @ 4000
Fuel recommended: Premium
Standard axle ratios: 3.54 w/4-spd. manual, Sure Grip; 3.23 w/ auto.

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