Gen V And Gen VI (Except 7.4L Gen VI) Engine Specifications
Unit of Measurement
In. (mm)
HYDRAULIC FLAT TAPPET CAMSHAFT
454
502 MAGNUM
8.2L
MAGNUM
ENGINE MODEL
7.4L
Exhaust
Intake
.271 (6.683)
.282 (7.163)
234°
.300 (7.62)
.300 (7.62)
224°
Lobe Lift ± .002 (0.051)
Exhaust
Intake
Duration at .050 In. (1.27mm)
Cam Lift
238°
224°
ROLLER TAPPET CAMSHAFT
ENGINE MODEL
454
502 MAGNUM
8.2L
MAGNUM
7.4L
Exhaust
Intake
.284 (7.214)
.282 (7.163)
209°
.342 (8.687)
.342 (8.687)
227°
Lobe Lift ± .020 (0.051)
Exhaust
Intake
Duration at .050 In.(1.27mm)
Cam Lift
209°
211°
Journal Diameter
Journal Out Of Round
Camshaft Runout
1.9482-1.9492 (49.485-49.509)
.001 (0.025) Max
.002 (0.051) Max
Timing Chain Deflection
.375 (9.5) from taut position [total .75 (19)]
FLYWHEEL
Runout
.008 (0.203) Max
CYLINDER HEAD
.007
(0.076) within a 6 in. (152 mm) Span
(0.178) Overall Maximum
Gasket Surface Flatness
.003
Index
90-823224--2
796
454 CID (7.4L) / 502 CID (8.2L) - 3A-9
| 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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