Buick LeSabre 1965 Service Manual page 80

3 - 4 SPECIFICATIONS
ENGINE FUEL AND EXHAUST SYSTEMS
d. Rochester Carburetor Calibrations (Continued)
401 Eng.
Auto. Trans.
NOTE: Use High Altitude Jets Above 3500 Feet.
Idle Tube Restriction #68 #64
Idle Needle Hole #55
Spark Holes 1/8"
Pump Discharge Holes 2-#70
Choke Restriction
Inlet 3/16"
Outlet #41
Choke Setting Index
Choke Coil Number 30
Dome Vent —
Cluster Top Bleed —
Cluster Side Bleed —
Float Level Adjustment 1 13/32"
Float Drop Adjustment 1 1/16"
Pump Rod Adjustment . . . . 1 1/64" (Center Hole)
Choke Rod Adjustment #53 (.060")
Fast Idle Cam Number 7029553
Choke Unloader Adjustment #31 (.120")
Initial Idle Speed 2 Turns In
Initial Idle Mixture 1 1 / 2 Turns Out
Choke Piston Setting, Choke Closed Must Project 1/32"
Secondary Contour Adjustment 030"
Secondary Lock-Out Adjustment 015"
Fast Idle Speed in Drive (Hot, on Low Step) 600 RPM
300 Eng.
Syn. Trans.
#69
#56
2 - # 5 5
2 - # 6 8
#42
1/8"
Index
27
#70
#67
#69
.594"
1 29/32"
1 11/32" (Outer Hole)
#54 (.055")
7029501
#29 (.136")
3 Turns In
1 Turn Out
3 0 0 Eng.
Auto. Trans.
#70
#56
1 1/8"
2-#71
#42
1/8"
Index
12
#67
#68
#68
.594"
1 29/32"
1 11/32" (Outer Hole)
#54 (.055")
7028970
#29 (.136")
3 Turns In
1 Turn Out