Tune-Up - V8: Carburetion: Notes

2-Bbl. Ford Carburetors

Engine

⁽¹⁾ Synchro-mesh

⁽¹⁾ Auto. Trans.

289"

C8AF-AK

C8ZF-G

Non-Emission ⁽²⁾

C8AF-AF

C8OF-S

302"

C8AF-AK

C8AF-L, C8OF-H, C8ZF-G

Non-Emission ⁽²⁾

C8AF-AF

C8OF-S

390"

C8AF-AM, SW

C8AF-AN, BA, N;

C8OF-J

C8OF-AF, K, U;C8WF-A

Non-Emission ⁽²⁾

C8AF-AH

C8OF-T

4-Bbl. Ford Carburetors

302"

C8ZF-C

C8ZF-D

Non-Emission ⁽²⁾

C8ZF-A

C8ZF-B

390" Except GT

C8AF-A, AR

C8AF-AS, B, C

Non-Emission ⁽²⁾

C7OF-A

C7OF-B

428"

C8AF-A, AR

C8AF-B, C

Police

⁽³⁾ C8AF-AE

Cobra Jet

C8OF-AA

C8AF-AS; C8OF-AB

4-Bbl. Holley Carburetors

390" GT

C8OF-C

⁽³⁾ C8OF-D

427"

⁽³⁾ C8AF-AD

⁽¹⁾	All U.S. cars with Synchro-mesh use Thermactor. U.S. cars with Auto. Trans. use IMCO (Except where indicated).

⁽²⁾	Without Thermactor or IMCO.

⁽³⁾	Thermactor exhaust control used.

ACCELERATOR PUMP SETTING

Engine				Pump Lever	Throttle Lever
		302" 2-Bbl.		Inboard	# 2 Hole
		4-Bbl. Thermactor		#2 Hole
			IMCO	#1 Hole
390" 2-Bbl.				Inboard	#3 Hole
		4-Bbl. Except GT		#3 Hole
			GT		#1 Hole
427"				#1 Hole
428"				#3 Hole
	Police Thermactor			Inboard	#3 Hole

Fig 1: Mercury Auto. Trans. Throttle Linkage

G09362523

Courtesy of FORD MOTOR CO.