AEM 30-6905 Universal Programmable EMS-4 User Manual
Page 190
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Page 190 of 279 EMS-4 Install and Tuning Guide_Rev 1.6
Turbocharged Piston Engines W/ Pent roof Combustion
Chamber
Ignition Timing
L
300
11
14
23
23
24
24
24
24
O
275
11
15
24
24
25
25
25
25
A
250
11
15
24
24
26
26
26
26
D
225
11
16
24
26
27
27
27
27
200
12
17
26
27
27
27
27
27
175
12
19
28
29
29
29
29
29
I
150
12
20
29
30
30
30
30
30
N
125
12
20
30
30
31
31
31
31
100
15
22
32
33
33
33
33
33
K
75
15
23
35
35
35
35
36
36
P
50
15
24
35
35
36
36
37
37
A
25
15
25
40
45
45
45
45
45
1000
2000
3000
4000
5000
6000
7000
8000
RPM
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