Weber DCOE carburetor

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Weber DCOE carburetor.

Jetting

For baseline tuning, follow the recommended jetting from a Haynes Weber carburetor manual, or another Weber book.

I borrowed an excellent book from the library: Weber Carburetors Owners Workshop Manual by Haynes UK. Amazon.com link). It has this in the back. The B210 specs should be a good starting point for a stock A14.

Conversion equipment jet setting Datsun B110 (A12) - single 40 DCOE 2

Choke size	27
Aux. venturi	4-5
Main jet	1-10
Emulsion tube	F7
Air corrector jet	1-65
Idle jet	0-50 F9
Accel. pump jet	0-50
Accel. pump inlet valve with ex. orifice	0-50
Needle valve	2-00

Datsun B210 & F10 (A14) - single 40 DCOE 2

Choke size	33
Aux. venturi	4-5
Main jet	1-30
Emulsion tube	F11
Air corrector jet	1-80
Idle jet	0-50 F8
Accel. pump jet	0-60
Accel. pump inlet valve with ex. orifice	closed
Needle valve	2-00

Datsun 510 (L16) - single 45 DCOE 13

Choke size	33
Aux. venturi	4-5
Main jet	1-30
Emulsion tube	F16
Air corrector jet	1-90
Idle jet	0-50 F8
Accel. pump jet	0-50
Accel. pump inlet valve with ex. orifice	0-55
Needle valve	2-25

Datsun 510 (L16) - dual 45 DCOE 12

Choke size	32
Aux. venturi	4-5
Main jet	1-35
Emulsion tube	F15
Air corrector jet	1-70
Idle jet	0-55 F2
Accel. pump jet	0-40
Accel. pump inlet valve with ex. orifice	0-55
Needle valve	2-00u

Also see discussion Help????? tunning Weber 40 DCOE on a14