Special Tools - GMC G Service Manual

6C1-38 CARBURETORS
Carburetor Float
Part Level
No. mm (Inches)
8.7 (11/32)
17086101
17086096 8.7 (11/32)
Float
Carbu­ Pump
retor Level Rod
Part mm (Inches) Setting
No. ± 2/32" mm (Inches)
17085004 10.0 (13/32) 7.0 (9/32)
17085212 10.0 (13/32) 7.0 (9/32)
17088040 10.0 (13/32) 7.0 (9/32)
17088041 10.0 (13/32) 7.0 (9/32)
4.
SPECIFICATIONS
MODEL 1MEF CARBURETOR
Metering Choke Coil
Lever
Rod
mm (Inches) mm (Inches)
2.3 (0.090) 3.0 (.120)
2.3 (0.090) 3.0 (.120)
MODEL M4MEF CARBURETORS
Choke
Air Coil
Valve
Pump Lever
Spring mm
Rod
Location (lUm s) (Inches)
Inner 7/8
3.0 (.120)
Inner 7/8 3.0 (.120)
Inner
7/8 3.0 (.120)
Inner 7/8 3.0 (.120)

SPECIAL TOOLS

J 29030-B
J 34817-A
J 9789-90
J 34935-1
Choke Rod
Cam Adj
mm (Inches) mm (Inches)
7.0 (0.275)
7.0 (0.275)
Fast
Idle Cam Vacuum
Vacuum
Choke Break Break
Rod Front Rear
± 2.5° ± 2.5° ± 3.5°
46°
23°
—
—
46° 23°
27°
46°
—
46° 27°
—
5.
.
6
1. Idle Mixture Needle Socket
2. Float Positioning Tool Kit
3. Float Level T " Scale
4. External Float Level Gage
5. Linkage Bending Tool
6. Choke Valve Angle Gage
Vacuum
Unloader
Break
mm (Inches)
5.0 (0.200) 13.2 (0.520)
5.0 (0.200) 13.2 (0.520)
GMTB-0943-2L
Air Propane
Valve Enrich­
Rod Unloader ment
mm (Inches) ± 4°
Speed
0.6 (0.025) 35°
—
0.6 (0.025) 35°
—
0.6 (0.025) 35°
—
0.6 (0.025) 35° —
GMTB-0944-2L
J 9789-111
J 26701-A
L00432