Carburetors for old Dodge Trucks : DODGE TRUCKS 1934Previous | Home | Next |
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DODGE TRUCKS, 1934
Page 2
CARBURETER SPECIFICATIONS-CARBURETERS CTCI-CTDI
Dimensions: Flange size, 11/4 inch (31.75 mm). Throttle bore, 1-7/16 inch (36-51
mm). Main venturi, 1-7/32 inch (30.96 mm) I. D.
Float Setting: Top of float 5/64 inch (1.98 mm) below top of surface of carbureter
body casting. (Plus or minus 1/64 inch (3.97 mm).
Vent: (To float chamber) outside. Size, 3/16 inch (4.76 mm) drill.
Gasoline Intake Needle: Triangular, horizontal. No. 44 (2.18 mm) drill in needle
seat.
Idle Orifice Tube: Jet size, .0276 inch (.70 mm).
Idle passage air bleed (through plug) size .059 inch (1.50 mm).
Idle Ports: Upper port size, .062 inch to .064 inch (1.58 to 1.63 mm) diameter.
Bottom of port located .013 to .017 inch (.33 to .43 mm) above top edge of
valve.
Lower port size, .053 to .057 inch (1.35 to 1.45 mm) diameter. (For idle adjustment
screw.)
Idle Adjustment Screw: Set to 1/2 to 11/4 turns open. For richer mixture turn
screw out. Do not idle engine below 300 rpm. or six miles per hour.
Main Metering Screw: Calibrated to flow 230 to 234 cc per minute. (Do not gauge
for size. If in doubt, replace with new part.)
Vent Tube: Air bleed through plug in diffuser, size, .0315 inch (.80 mm) drill.
Main Vent Tube:
Side Holes:
2—.0354 inch (.90 mm) 21/64 inch (8.33 mm) from end. 2-.0354 inch (.90
mm) I-1/64 inch (25.8 mm) from end. 2—.0354 inch (.90 mm) 1-33/64 inch
(38.5 mm) from end.
Step-Up Jet: (Power Orifice) .0276 inch (.70 mm) drill size.
Accelerating Pump: Type, delayed action.
Stroke, Summer setting (inner hole, short stroke) 1/4 inch (6.35 mm).
Intermediate setting (center hole) 7/16 inch (11.11 mm). Winter setting (outer
hole, long stroke) 5/8. inch (15.88 mm). Pump intake passage, size 1/8 inch
(3.18 mm).
Pump needle seat size, No. 52 (1.61 mm) drill.
Pump (discharge) jet size, .0315 (.80 mm) drill.
Choke: Manual—Butterfly type, with pressure relief poppet valve.
CARBURETER SPECIFICATIONS-CARBURETER ETDI
Dimensions: Flange size, 11/2 inch (38.10 mm). Throttle bore, I-11/16 inch
(42.86 mm). Main venturi. 11/4 inch (31.75 mm) I. D.
Float Setting: Top of float 5/64 inch (1.98 mm) below top of surface of carbureter
body casting. (Plus or minus 1/64 inch (.397 mm).
Vent: (To float chamber) outside. Size, 3/16 inch (4.76 mm).
Gasoline Intake Needle: Triangular, horizontal. No. 42 (2.37 mm) drill in needle
seat.
Idle Orifice Tube: Jet size, .0276 inch (.70 mm).
Idle passage air bleed (through plug) size, .061 to .063 inch (1.55-1.60 mm).
Idle Ports: Upper port size, .062 inch to .064 inch (1.58 to 1.63 mm) diameter.
Bottom of port located .004 to .008 inch (.10 to .20 mm) above top edge of
valve.
Lower port size, .053 to .057 inch (1.35 to 1.45 mm) diameter. (For idle adjustment
screw.)
Set Idle Adjustment Screw: 5/8 to 11/4 turns open. For richer mixture turn
screw out. Do not idle engine below 300 rpm. or six miles per hour.
Main Metering Screw: Calibrated to flow 252 to 256 cc per minute. (Do not gauge
for size. If in doubt, replace with new part.)
Vent Tube: Air bleed through plug in diffuser, size .0315 inch (.80 mm) drill.
Main Vent Tube:
Side Holes:
2—.0354 inch (.90 mm) 21/64 inch (8.33 mm) from end. 2—,0354 inch
(.90 mm) 1-1/64 inch (25.8 mm) from end.
Step-up Jet: (Power Orifice) size, .0315 inch (.80 mm) drill.
Accelerating Pump: Type, delayed action.
Stroke, Summer setting (inner hole, short stroke) 1/4 inch (6.35 mm).
Intermediate setting (center hole) 7/16 inch (11.11 mm). Winter setting (outer
hole, long stroke) 5/8 inch (15.88 mm). Pump intake passage, size 1/8 inch
(3.18 mm).
Pump needle seat size, No. 52 (1.61 mm) drill.
Pump (discharge) jet size, .0354 (.90 mm) drill.
Choke: Manual—Butterfly type, with pressure relief poppet valve.