SPECIFICATIONS

Flange Size: 1 1/8",

Upper Well: Depth from stand pipe seat, 1/4"

Lower Well: 11/32" ID

Float Level: Top of float to be 11/16" from machined surface of casting at point opposite needle, with needle seated.

Inside Vent: No. 50 drill.

Gasoline Intake: Square vertical needle. No. 38 hole in needle seat.

Gas Line Connection: 5/16"

Low Speed Jet Tube: Jet, No. 70 drill.

Idle Port: Length .176", Width: .030". Opening above valve with valve closed tight: .032" to .036"

By Pass: under idle port No. 53 drill.

Set Idle Adjustment Screw: 3/4 to 1 1/4 turn open. For richer mixture, turn screw in. Do not idle engine below 300 RPM with spark retarded.

Main Sell Jet No. 55 drill.

Multiple Jet Nozzle: Vertical jet, No. 48 drill. Top I.D. No. 26 drill size.

Accelerating Jets (Combination No. 70):

4 No. 60, 9/16" from top.

2 No. 55, 1 5/16" from top.

2 No. 55, 1 11/32" from top.