Fuel Injector Lag Times

Injector “lag” time is the time it takes for an injector to open (OT) form the time it has been energized until it is fully open. There is also a close time that you do not hear about very often (CT). Some engine managment systems require you to enter this time and refer to it as injector lag, latency, delay or other terms. Although the times can vary slightly, the following chart should give you a good starting point. We will not be held responsible for any misinformation contained on these pages.

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Injector	Flow CC/min	Flow LB/Hr	Ohm		10v	11v	12v	13v	14v	15v
Accel	578	55	3		1.24	1.03	0.87	0.73	0.63	0.53
Accel	872	83	3		1.46	1.20	1.00	0.85	0.73	0.62
Acura NSX	240	23	2		0.71	0.56	0.45	0.36	0.27	0.21
Acura RSX	290	28	12		1.28	1.07	0.86	0.70	0.57	0.46
Acura RSX Type-S	330	31	12		1.37	1.14	0.95	0.81	0.67	0.55
Audi S4/TT	340	32	14		1.12	0.91	0.75	0.62	0.52	0.42
Blitz	850	81	14		1.38	1.09	0.88	0.71	0.58	0.49
Bosch	1545	147	5		1.71	1.38	1.13	0.97	0.82	0.71
Denso	550	52	2		1.24	1.04	0.87	0.75	0.64	0.55
Denso	660	63	2		1.15	0.99	0.86	0.74	0.64	0.55
Denso	720	69	2		1.35	1.14	0.99	0.86	0.75	0.67
Dodge 4.7	273	26	12		1.75	1.44	1.22	1.03	0.89	0.73
Dodge SRT-4 (2003)	525	50	13		0.92	0.68	0.50	0.35	0.22	0.13
Dodge SRT-4 (2004+)	577	55	13		1.62	1.28	1.00	0.79	0.61	0.48
Dodge Viper (96-2002)	336	32	13		2.10	1.77	1.50	1.26	1.09	0.96
Edelbrock	630	60	12		0.76	0.55	0.39	0.25	0.15	0.04
Ford Motorsport	378	36	15		1.15	0.89	0.69	0.53	0.41	0.32
Ford Motorsport	441	42	14		1.14	0.92	0.75	0.64	0.56	0.49
Ford Motorsport	809	77	15		1.78	1.54	1.33	1.17	1.05	0.96
Ford Motorsport	1600	152	5		1.61	1.32	1.11	0.96	0.83	0.72
Ford Motorsport	1680	160	5		1.80	1.51	1.28	1.09	0.94	0.8
Ford mustang (84-95)	200	19	15		0.86	0.67	0.56	0.43	0.34	0.2
Ford Mustang Cobra�	252	24	15		0.91	0.73	0.59	0.46	0.36	0.25
Mustang GT (96-03)	200	19	15		1.15	0.94	0.80	0.67	0.54	0.46
Mustang Turbo	315	30	15		0.88	0.68	0.56	0.43	0.33	0.23
Fuel Injector Clinic	650	62	2		1.13	0.96	0.78	0.66	0.54	0.45
Fuel Injector Clinic	850	81	2		1.02	0.87	0.74	0.62	0.51	0.43
Fuel Injector Clinic	950	90	2		1.30	1.05	0.88	0.75	0.65	0.57
Hahn Racecraft	625	60	3		1.19	0.97	0.79	0.69	0.57	0.5
HKS	1000	95	2		1.31	1.14	1.04	0.97	0.89	0.79
Holley	788	75	2		1.02	0.86	0.71	0.62	0.54	0.44
Honda Acura CL	240	23	2		0.73	0.64	0.52	0.43	0.36	0.25
Honda civic/crx/prelude/integra (86-91)	240	23	3		0.70	0.52	0.42	0.33	0.27	0.2
civic 92-00 (ex/si)	240	23	12		1.27	1.05	0.92	0.8	0.66	0.5
civic 92-00 (lx/dx/hx)	190	18	12		1.17	0.96	0.80	0.60	0.46	0.34
civic 01+ (EX)	240	23	11		1.04	0.82	0.64	0.53	0.43	0.36
civic 01+� (lx/dx/hx)	215	20	12		1.18	0.98	0.81	0.72	0.60	0.50
civic 03+ / CRV 02+	290	28	12		1.35	1.15	0.98	0.84	0.71	0.61
Honda Civic 06+ Si	330	31	10		1.20	1.02	0.86	0.69	0.56	0.46
Honda Prelude 92-96 VTEC	330	31	2		0.72	0.56	0.45	0.35	0.27	0.24
Honda Prelude 97-02	290	28	12		1.24	1.02	0.85	0.74	0.63	0.54
Honda S2000	360	34	12		1.27	1.11	0.95	0.81	0.71	0.62
DSM 90-94 Blue	450	43	3		1.11	0.95	0.82	0.67	0.53	0.42
DSM 95-99 Black	450	43	3		1.00	0.81	0.67	0.55	0.45	0.32
Mitsubishi Lancer/eclipse (2.4L)	240	23	15		1.71	1.41	1.13	0.86	0.64	0.54
Mitsubishi Evo VIII	550	52	3		1.13	0.97	0.85	0.75	0.66	0.58
Mitsubishi 3000GT (Stealth)	370	35	3		1.07	0.94	0.81	0.73	0.64	0.54
MSD�	750	71	2		1.40	1.17	0.97	0.81	0.69	0.58
MSD�	525	50	12		1.19	0.94	0.75	0.61	0.49	0.41
Nismo	740	70	11		1.15	0.94	0.79	0.66	0.55	0.44
Nissan 180 sx (88-93) / Skyline (86-88)	270	26	2		1.11	0.92	0.75	0.60	0.49	0.42
Nissan Pulsar Gti-R	444	42	2		1.14	0.96	0.83	0.71	0.60	0.54
Nissan Sentra/200sx/NX/G20 (2.0L ONLY)	259	25	11		0.90	0.75	0.64	0.56	0.47	0.42
Nissan Skyline GT-R	440	42	2		1.35	1.12	0.96	0.85	0.76	0.65
Nissan Skyline GTS-T	380	36	11		1.10	0.88	0.73	0.61	0.52	0.42
Nissan 300zx(95-96) / SR20DET	370	35	11		1.17	0.98	0.86	0.75	0.64	0.57
Nissan 240SX (89-90)	230	22	12		0.94	0.75	0.62	0.55	0.47	0.42
Nissan 240sx (91-98) / Altima (93-01)	250	24	11		1.00	0.83	0.69	0.57	0.47	0.40
Peak&Hold Driver with:
Denso	550	52	2		0.66	0.58	0.50	0.41	0.34	0.27
Denso	1600	152	5		0.99	0.84	0.72	0.60	0.50	0.41
Honda Civic/crx/prelude/integra (86-91)	240	23	3		0.47	0.37	0.29	0.21	0.14	0.11
Nissan Skyline GT-R	440	42	2		0.70	0.61	0.54	0.48	0.40	0.35
RC Engineering	750	71	3		0.57	0.48	0.38	0.31	0.24	0.17
RC Engineering	1000	95	3		0.65	0.56	0.49	0.42	0.35	0.29
Sard	700	67	2		0.68	0.57	0.49	0.42	0.35	0.28
Sard	800	76	3		0.58	0.47	0.39	0.32	0.24	0.19
Precision Turbo (Rochester)	525	50	12		1.33	1.05	0.84	0.66	0.54	0.45
Precision Turbo (Rochester)	680	65	2		1.56	1.36	1.22	1.13	1.05	0.96
Precision Turbo (Rochester)	1000	95	2		1.38	1.15	0.96	0.81	0.70	0.60
RC Engineering�	240	23	16		1.31	1.10	0.97	0.77	0.62	0.46
RC Engineering�	270	26	16		0.89	0.76	0.61	0.49	0.32	0.23
RC Engineering�	310	30	16		1.14	0.89	0.72	0.55	0.43	0.33
RC Engineering�	370	35	16		0.85	0.64	0.47	0.35	0.21	0.12
RC Engineering�	440	42	13		1.27	1.08	0.91	0.74	0.63	0.53
RC Engineering�	440	42	16		0.76	0.56	0.42	0.29	0.14	0.03
RC Engineering�	550	52	3		0.92	0.81	0.68	0.59	0.51	0.40
RC Engineering�	550	52	13		1.07	0.88	0.78	0.67	0.55	0.46
RC Engineering�	650	62	12		1.08	0.86	0.69	0.54	0.41	0.31
RC Engineering�	720	69	3		1.70	1.48	1.31	1.16	1.06	0.94
RC Engineering�	750	71	3		0.88	0.66	0.48	0.32	0.18	0.05
RC Engineering�	750	71	12		1.36	1.12	0.92	0.76	0.63	0.50
RC Engineering�	900	86	3		1.70	1.48	1.31	1.16	1.06	0.94
RC Engineering�	1000	95	3		1.17	0.95	0.80	0.67	0.56	0.46
RC Engineering�	1200	114	3		2.55	2.28	2.00	1.79	1.62	1.46
RC Engineering�	1600	152	3		1.80	1.46	1.23	1.05	0.92	0.81
Rochester	756	72	2		1.22	1.03	0.87	0.74	0.63	0.54
Rochester	1008	96	2		1.38	1.15	0.96	0.81	0.70	0.60
Sard	700	67	2		0.98	0.80	0.67	0.54	0.44	0.35
Sard	800	76	3		0.90	0.75	0.62	0.52	0.42	0.33
Siemens Deka	578	55	12		1.31	1.13	0.96	0.83	0.71	0.61
Siemens Deka	630	60	12		0.83	0.64	0.50	0.38	0.28	0.17
Siemens Deka	756	72	3		1.41	1.21	1.03	0.87	0.76	0.68
Siemens Deka	872	83	3		1.46	1.20	1.00	0.85	0.73	0.62
Subaru Impreza STI (top feed)	550	52	13		1.23	1.04	0.87	0.74	0.62	0.53
Subaru Impreza WRX	440	42	13		1.25	1.01	0.87	0.74	0.62	0.53
Toyota (00+ 1.5L) xB/xA/Prius/Echo	200	19	14		1.07	0.87	0.68	0.55	0.44	0.37
Toyota (04+ 2.4L) tC/Solaris/Camry/RAV4	330	31	12		1.18	0.97	0.79	0.64	0.51	0.42
Ultimate Racing�	440	42	16		0.74	0.57	0.42	0.30	0.19	0.11
Vennom	880	84	12		1.27	1.00	0.77	0.64	0.51	0.45
VW Passat (98-99) Audi A4 (97-99)	220	21	12		0.82	0.62	0.46	0.34	0.24	0.19
VW Passat (2000)	240	23	12		1.05	0.84	0.69	0.60	0.52	0.43