Home - Injector Lag Times

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