Gen V And Gen VI (Except 7.4L Gen VI) Engine Specifications
Unit of Measurement
In. (mm)
VALVE SPRING
454
502 MAGNUM
8.2L
MAGNUM
ENGINE MODEL
7.4L
Free Length
Closed at
2.12 (53.9)
2.15 (54.6)
Does Not
Apply
110 Lbs.
(489 N)
1.88
1.80
1.34
1.40
in. (47.8 mm)
Closed at
in. (45.7 mm)
74-86 Lbs.
(329-382 N)
Does Not
Apply
Valve Spring
(Note 1)
Pressure
Open at
in. (35.1 mm)
Does Not
Apply
316 Lbs.
(1406 N)
(Note 2)
Open at
in. (35.6 mm)
195-215 Lbs.
(867-956 N)
Does Not
Apply
Installed Height
Free Length
1.875 (47.6)
1.88 (47.7)
1.86 (47.2)
4
Damper or Damper
Shield
Does Not
Apply
Approximate Number Of Coils
.42-.094
(1.07-2.38)
Interference
Damper or Damper
Shield
Does Not
Apply
Valve Spring Fit in Damper Shield
Note 1: 454/502/8.2L Models Only-Test spring pressure with inner and outer spring assembled.
Note 2: 7.4L Models Only Test spring pressure with damper shield installed.
Index
3A-8 - 454 C.I.D. (7.4L) / 502 C.I.D. (8.2L)
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!
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