Thunderbolt V Spark Control Graph
IMPORTANT: The graph below shows the typical advance ranges for a Thunderbolt V ignition control
module. The numbers plotted on the graph are not representative of any particular model. It is only pres-
ented to provide an understanding of how the system functions.
35
°
30
°
25
°
20
°
15
°
10
°
5
°
0
°
–5
°
–10
°
°
–15
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
ENGINE R.P.M.
=
=
=
Base Timing Advance Curve
Idle Speed Advance Range
Knock Retard Range
=
=
Acceleration Advance Range
MBT Advance Range
Index
4B-16 - IGNITION SYSTEM
90-823224--2 796
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
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