5 Litre 301, 5.7 Litre 350, 6.6 Litre 400 V8 Engines; Special Tools; General Description; Cylinder Block - Pontiac TRANS AM 1977 Service Manual

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301-350-400 V8 ENGINE
V I
CODES Y-P-Z
6A5-1
SECTION 6A5
5 LlTRE 301
.
5.7 LlTRE 3 5 0
.
6.6 LlTRE
400 V8 ENGINES . V.I. CODES P I Y
AND Z
CONTENTS OF THIS SECTION
General Description
..................................................................................................
6A5- 1
Engine Mountings .....................................................................................................
6A5-4
Exhaust Manifolds ....................................................................................................
6A5-5
Intake Manifolds .......................................................................................................
6A5-6
Pushrod Cover ..........................................................................................................
6A5-7
Rocker Arm Cover
...................................................................................................
6A5-7
Valve Springs. Shields or Seals
................................................................................
6A5-7
Rocker Arm Studs
....................................................................................................
6A5-7
Valve Lifter Remove
................................................................................................
6A5-8
Hydraulic Valve Lifters. Recondition
......................................................................
6A5-8
Cylinder Head or Gasket
.........................................................................................
6A5-9
Cylinder Head and Valves Recondition
..................................................................
6A5-10
Harmonic Balancer
...................................................................................................
6A5- 12
Timing Chain Cover Seal .........................................................................................
6A5-12
Timing Chain Cover
.................................................................................................
6A5-12
Timing Chain and Sprockets
....................................................................................
6A5-13
Camshaft and Bearings
.............................................................................................
6A5-13
Oil Pan and/or Gasket
.............................................................................................
6A5-14
Oil Pump
...................................................................................................................
6A5-16
Connecting Rod Bearings
.........................................................................................
6A5- 17
Main Bearings
...........................................................................................................
6A5- 17
Main Bearing Rear Oil Seal
.....................................................................................
6A5-18
Connecting Rod and Piston .....................................................................................
6A5-19
Piston Pin
..................................................................................................................
6A5-21
Cylinder Bores ..........................................................................................................
6A5-2 1
Piston Fit and Replace
.............................................................................................
6A5-22
Piston Rings
..............................................................................................................
6A5-22
Engine Assy
.
Remove
..............................................................................................
6A5-23
Crankshaft Replace
...................................................................................................
6A5-23
Torque Specifications
................................................................................................
6A5-24
Engine Specifications
................................................................................................
6A5-24
Special Tools .............................................................................................................
6A5-27
GENERAL DESCRIPTION
IDENTIFICATION
in Section 6
.
301-350-400 engines may be identified from the vehicle
identification number
.
The code letter Y. P or Z in the fifth
CYLINDER BLOCK
digit location identifies the engine as a 301. 350 or 400 V8
.
The cylinder block has two banks of four cylinders each.
Specific engines may be identified by first noting the engine
cast at 90" to each other . Left bank cylinders are numbered
code on the front of the block. stamped on a machined pad
1-3-5-7 from front to back and right bank cylinders are
on the right bank of cylinders
.
and then referring to the charts
numbered 2.4.6.8
.

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Firebird 1977

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