454
CID (7.4L) / 502 CID (8.2L)
SERVICE MANUAL NUMBER 23
7.4L
MPI (L-29) Engine Specifications
NOTICE
Unit Of Measurement: U.S. Quarts (Liters)
All capacities are approximate fluid measures.
MODEL
Displacement
Bore
7.4L
454 cid (7.4L)
4.25 (108)
Stroke
4.00 (101.6)
Compression Ratio
Heads
9.3:1
Cast Iron (Oval Port)
Lower Half: Cast Iron
Upper Half: Aluminum
Cast Iron (4 Bolt Main Bearing Caps)
Forged Steel
Intake Manifold
Block
Rods
Pistons
Cast Aluminum
Nodular Cast Iron
Steel
Crankshaft
Camshaft
CYLINDER BORE
MODEL
7.4L
Diameter
4.2500-4.2507 (107.950-107.968)
.001 (0.0254) Max
Production
Out of Round
Production
Service
.002 (0.051) Max
Thrust Side
Relief Side
.0005 (0.0127) Max
Taper
.001 (0.0254) Max
Service
.001 (0.0254) Over Production
PISTON
MODEL
7.4L
Production
Service
.0018-.0030 (0.0457-0.0762)
.0018 (0.0457) Max
Clearance
Index
Page 3A-12
90-861326--1 MARCH 1999
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(1 votes, average: 5 out of 5)
Marine readers have rated Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 5.0 out of 5.0 based on 1 product reviews. Just need the manual. Wrote review. Can't technically review what I haven't seen yet...