INFORMATIONS
CHRYSLER CORPORATION
Make of Car: PLYMOUTH
Model o f Car: ROAD RUNNER
Body S t y l e : Two Door Sedan ( " B " Body)
Year of Car: 1974
Ve h i c l e Weight: 3200 l b s . Approx.
Car Wheelbase: 115"
Suspension Front: Shock Absorbers & Torsion Bar.
Rear: Shock Absorbers, Leaf Springs & Sway Bar , Adj. Pinion Snubber.
Drivetrain: Differential 8}" with 4.88 to 1 Ratio.**
** G e a r S e t a r e s u b j e c t t o c h a n g e if n e c e s s a r y .
Brakes: F r o n t : Discs ( F l o a t i n g C a l i p e r ) .
Rear: Drums (Heavy Duty 1l" Dia.).
Wheels: Front: Center Line 15" x 31" & Mickey Thompson Sportsman
2 6 " X 7 " .
Rear: Center Line 15" x 10" & Mickey Thompson Sportsman Pro
29" x 121" o r Slick same size.
_ENGIÑE: 440 "RB" Block ***(446 exact cubic inch displacement) ***
Bore: 4-350" Stroke: 3.750" O v e r s i z e : -030"
F u l l y Machined & Blue P r i n t e d by RAY BARTON Racing Engines.
Grankshaft: Forged Machined.by RBRE, 2.250" Main Joural diameter with
ATI Damper. PN 917470 Total Weight: 5,00 Ibs I n e r t i a Weight:3-40 I b s .
Connecting Rods: Stel R o d s Preparod by RBRE , 6 . 7 6 0 " L o - g t h .
Pistons: TRW Forged , Domed , .030" Oversize, Comp. cut to 1 1 . 1 : 1
Cylinder Heads: Casting (906) Machined & Ported by RBRE.
Valves Diameter: Intake- 2.14"
Exhaust- 1.81"
Rocker Arms; Harland Sharp Hard Alloy Billet Aluminum Roller with
Needle Bearing , Ratio: 1.6 Int. & Exh.
Pushrods: Diameter 3"
Camshaft: Lunati Mechanical Series Grind Number: SPG2-322
Cam #: 43716 Duration at .050" : 276º Int. & Exh.
Lobe Centerline: 106° 2 ° d e g r e e s advanced
Gross Valve L i f t with 1.6:1 ratio .640" Int. & Exh.
Power Range: 4600 - 7800 rpm.
0 1 l i n g System: Milodon Dual Line Oil System Kit with Moroso Oil P a n
Capacity: 8 qts. p l u s F i l t e r .
Intake Manifold; Tunnel. Ram by Indy Cylinder Head , w i t h Nitrous P a l s (weighs 20
1 b s . ›
Carburetors: Dual Pour-Barrel , Model 4150 , Holey PN 4279 Calibrated f o r two
four-barrel operation by Barry Grant F u e l S y s t e u s , PN 4779TR-S3
Flows 1040 afm (each
Electrical: Race Electronic Distributor and Mechanical Tach Drive
by Mopar Performance # P4120942
Race Wires Spark Plugs: Accel 300 8.8
Racing. Coil: Accel PN 140306 for Racing Ignition Boz MP P4120600
Not recommend for continued operation at speeds below 3000 rpm. for more than 30 minute periods.
Super Gold Electronic Control Unit by MP # P4120600
from idle to 12,000 rpm.
Voltage Regulator: MP # P3690732, constant output (13.5)
Racing Starter: High-Torque & Lightweight by ICI
Motor & Transmission Mounts: 2 Solid Steel side Motor Mounts and Front Motor
Plate (Aluminum Z" thick) , Bracket and Insulator assy.
Transmission: Torqueflite A-72? Rebuilding & Blueprinting with Manual Valve
Body, Kickdown Lever (5-to-1 ratio) , Front & Rear Race Clutch Kit, Pump, Deep Oil Pan.
Gear Ratios: First
Second
Third
Reverse
2.45 to 1 1.45 to 1
Flexplate: 6 Bolt Crank Flange & Z" Bolt SFI Approved Spec 29.1
Torque: 8" Treemaster "MRT" Converter by ATI
Minimum Reaction Time PN 729000
Stall Range: 4900 to 5100 rpm
(5000)
