Carters Carbs for Willys

1946 Willys Station Wagon & Panel Delivery Model 4-63

Form 6558—Canadian
WILLYS 611S August, 1947
Car Serial Number U- 10001 and Up
Motor Serial Number
U-10001 and Up

WILLYS MODEL 4-63 STATION WAGON and PANEL DELIVERY 1946

Casting Number 485 on face of flange
WA-I Down-Draft Carbureter No. 6I3S — List Price $26.90
A $5.00 exchange allowance is deducted from the list price if buyer turns in old carbureter.
CARBURETER SPECIFICATIONS
For Willys 4 Cylinder Engine,
Dimensions: Flange size, I1/4 inch S. A. E. Primary venturi, 1 1 /32 inch I. D.
Secondary venturi, 11/16 inch I. D. Main venturi, 1-3/16 inch I. D.
Float Level: Distance from seam of float (at free end) to tip on lower edge of float chamber cover, when needle is seated, to be 5/ 16 inch.
Vents: Outside, No. 10 drill. Inside, none.
Gasoline Intake: Square vertical needle. Size No. 48 drill hole in needle seat.
Gas Line Connection: 1/4 inch elbow. •
Low Speed Jet Tube: Jet size, No. 68 drill. By-pass, size No. 53 drill.
Economizer, .0755-.0765 inch diameter. Idle bleed, size No. 49 drill.
Idle Port: Slot type, length .230 inch; width .030 inch.
Idle Port Opening: .198 to .202 inch above valve with valve closed tight.

Idle Screw Seat: No. 46 drill.
Set Idle Adjustment Screw: I/2 to 11/2 turns open. For richer mixture, turn screw out. Do not attempt to idle engine below 350 r.p.m.
31/8" Bore, 43/8" Stroke
Main Nozzle: In primary venturi, angle 45°. Angled tip. Inside diameter, No. 30 drill. Discharge jet size, .086 inch diameter.
Metering Rod: Economy step, .078 inch diameter; middle step tapers to .074 inch diameter; power step, .059 inch diameter. Length 3-9/64 inches.
Metering Rod Jet: .098 inch diameter.
Metering Rod Setting: Use gauge, part No. T109-102 (2.468 inches).
Accelerating Pump: High pressure type (spring operated lever), with non-adjustable pump stroke.
Pump discharge jet, size No. 72 drill.
Relief passage to outside, size No. 42 drill. Intake ball check seat, size No. 62 drill. Discharge ball check seat, size No. 32 drill.
Pump Adjustment: 11/64 inch plunger travel (full throttle position). Use gauge T109-117S.
Choke: Butterfly type, offset valve.
Vacuum Spark Port: .054 to .056 inch diameter. Top of port .020 to .028 inch above valve.
Motor Tune-Up—Be Accurate! Always Use Feeler Gauges!
CAUTION: Change worn or leaky flange gaskets. Tighten manifold bolts and test compression before adjusting carbureter.
CARTER SERVICE DISTRIBUTORS:
AUTO ELECTRIC SERVICE CO., Ltd., 1009 BAY ST., TORONTO, ONT.
BEATTIE AUTO ELECTRIC, Ltd., 176 FORT ST., WINNIPEG, MAN.
Spark Plug Gap .030"
Set
Breaker Points
.020"
Use Timing Light
Breaker Points to Open
5° B.T.C. at
IGN Mark on
Flywheel
VALVE CLEARANCE
Set Valves Intake .014" Exhaust .014"
Correct Float Level
(Measure from machined
surface of small
projection to top
of seam) 5/16"
Idle Adjustment Screw Setting
I/2 to 1 I/2 Turns Open
Copyright 1947

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