Chevrolet crate engine components and modifications

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'''Chevrolet 350HO Part # 12496968'''
+
==Introduction==
 +
The GM Goodwrench crate engine has beciome a mainstay in hiotrodding circles. From the early days of Target Master crate engines to todays (ca. 2012) crate engine selection from GMPP that are many and varied, the engines have progressed with the tinmes and are a good value for a new engine wityh a warranty.
  
 +
==Modifications==
 +
Some of the better values are the base crate GMPP engines. However, the camshafts can leave a lot to be desired. Because of that, often the first thing to be changed is the cam.
  
 +
There are a number of tests done by Chevy High Perfornmance magajine that can be seen [http://www.chevyhiperformance.com/sch/02/gm-350-crate-engine-build/articles/index.html here].
  
350HO Deluxe Crate Engine
+
==Parts list for the SBC 350 HO part number 12496968 Deluxe crate engine==
  
+
Crate Engine Service Parts List (all parts are supplied by GM unless otherwise noted)
 
 
  
Crate Engine Service Parts List
+
'''Partial Engine Components'''
+
  
Partial Engine Components
+
Part No.    Description                                             QTY
+
  
Part-No.   Description                                               Manufacturer QTY
+
10105123   Block, 4-bolt main, cast-iron, 1pc rear seal               1
  
10105123   Block 4-bolt main, cast-iron, 1pc rear seal               General Motors 1
+
14088526   Crankshaft, Nodular Iron                               1
  
14088526   Crankshaft Nodular Iron                               General Motors 1
+
10120990   Crankshaft Main Bearing std #1 thru 4               4
  
10120990   Crankshaft Main Bearing std #1 thru 4               General Motors 4
+
12528826   Crankshaft Main Bearing std Rear                       1
  
12528826   Crankshaft Main Bearing std Rear                       General Motors 1
+
12561388   Main Cap Bolt, Outer 7/16"-14 X 3-11/32"               10
  
12561388    Main Cap Bolt, Outer 7/16"-14 X 3-11/32"               General Motors 10
+
3877669    Main Cap Bolt, Inner 7/16"-14 X 2.06"               6
  
3877669    Main Cap Bolt, Inner 7/16"-14 X 2.06"               General Motors 6
+
12561389    Main Cap Stud, Inner (windage tray mtg.) 7/16"-14 X 3.3" 3
  
12561389   Main Cap Stud, Inner (windage tray mtg.) 7/16"-14 X 3.3"  General Motors 3
+
10088158   Crankshaft Rear Oil Seal                               1
  
10088158   Crankshaft Rear Oil Seal                               General Motors 1
+
14088556   Rear Main Seal Retainer                               1
  
14088556   Rear Main Seal Retainer                               General Motors 1
+
12555771   Rear Main Seal Retainer to Block Gasket               1
  
12555771   Rear Main Seal Retainer to Block Gasket               General Motors 1
+
14080362   Rear Main Seal Retainer Stud                       2
  
14080362   Rear Main Seal Retainer Stud                       General Motors 2
+
10243247   Crankshaft Front Oil Seal                               1
  
10243247   Crankshaft Front Oil Seal                               General Motors 1
+
10108688   Connecting Rod                                       8
  
10108688   Connecting Rod                                       General Motors 8
+
12523924   Connecting Rod Bearing, std                               8
  
12523924    Connecting Rod Bearing, std                               General Motors 8
+
461372      Connecting Rod Bolt 16
  
461372     Connecting Rod Bolt General Motors 16
+
225854     Connecting Rod Nut 16
  
225854      Connecting Rod Nut General Motors 16
+
12514101    Piston 8
  
12514101   Piston General Motors 8
+
88894219   Piston Ring Set 8
  
88894219   Piston Ring Set General Motors 8
+
12453170   Camshaft Bearing std #1 1
  
12453170   Camshaft Bearing std #1 General Motors 1
+
12453171   Camshaft Bearing std #2 and rear 2
  
12453171   Camshaft Bearing std #2 and rear General Motors 2
+
12453172   Camshaft Bearing #3 & #4 2
  
12453172   Camshaft Bearing #3 & 4 General Motors 2
+
10241154   Camshaft Plug Rear 1
  
10241154   Camshaft Plug Rear General Motors 1
+
88891749   Freeze Plugs 8
  
88891749    Freeze Plug General Motors 8
+
1453658    Trans Locator Dowels 5/8" X 1-3/16" 2
  
1453658    Trans Locator Dowels 5/8" X 1-3/16" General Motors 2
+
12554553    Timing Cover Dowels 1/4" X 5/8" 2
  
12554553    Timing Cover Dowels 1/4" X 5/8" General Motors 2
+
14081701    Oil Gallery Plugs 1/4" NPT 4
 
+
14081701    Oil Gallery Plugs 1/4" NPT General Motors 4
+
  
 
14084945
 
14084945
Coolant Drain Plug 1/4" NPT General Motors 2
+
Coolant Drain Plug 1/4" NPT 2
  
 
585927
 
585927
Cylinder Head Locator Dowels 5/16" X 9/16" General Motors 2
+
Cylinder Head Locator Dowels 5/16" X 9/16" 2
  
  
Valvetrain Components
+
'''Valvetrain Components'''
 
   
 
   
Part-No. Description Manufacturer QTY
+
Part-No. Description QTY
  
 
24502476
 
24502476
Camshaft General Motors 1
+
Camshaft 1
  
 
5232720
 
5232720
Lifters hydraulic flat General Motors 16
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Lifters hydraulic flat 16
  
 
14095256
 
14095256
Line 90: Line 90:
  
 
10089648
 
10089648
Rocker Arm, stamped steel, with ball & nut General Motors 16
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Rocker Arm, stamped steel, with ball & nut 16
  
 
3814692
 
3814692
Rocker Arm Stud, press-in style General Motors 16
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Rocker Arm Stud, press-in style 16
  
 
12557390
 
12557390
Rocker Arm Nut General Motors 16
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Rocker Arm Nut 16
  
 
10212811
 
10212811
Valve Spring General Motors 16
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Valve Spring 16
 +
 
 
24503856
 
24503856
Valve Spring Keepers General Motors 32
+
Valve Spring Keepers 32
 
+
10241744
+
Valve Spring Cap General Motors 16
+
 
+
Not Utilized Valve Spring Cap Rotator Not Utilized N/A
+
  
 
12564852
 
12564852
Valve Seal Exhaust General Motors 8
+
Valve Seal Exhaust 8
  
 
10212810
 
10212810
Valve Seal Intake General Motors 8
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Valve Seal Intake 8
  
 
10241743
 
10241743
Valve Intake 1.94" General Motors 8
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Valve Intake 1.94" 8
  
 
12550909
 
12550909
Valve Exhaust 1.50" General Motors 8
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Valve Exhaust 1.50" 8
 +
 
 
14087014
 
14087014
Timing Chain General Motors 1
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Timing Chain 1
  
 
340235
 
340235
Camshaft Timing Gear General Motors 1
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Camshaft Timing Gear 1
  
 
2436162
 
2436162
Camshaft Timing Gear Bolts w/Washers General Motors 3
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Camshaft Timing Gear Bolts w/Washers 3
  
 
10128346
 
10128346
Crankshaft Timing Gear General Motors 1
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Crankshaft Timing Gear 1
  
 
141215
 
141215
Front Timing Cover (sheet metal w/o pointer) Proform 1
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Front Timing Cover (sheet metal w/o pointer) [Proform] 1
  
 
141202
 
141202
Timing Pointer, Chrome for 8" Dampner Proform 1
+
Timing Pointer, Chrome for 8" Damper [Proform] 1
  
 
10108435
 
10108435
Front Timing Cover Gasket General Motors 1
+
Front Timing Cover Gasket 1
 
+
11561767 Front Timing Cover Bolts General Motors 10
+
  
 +
11561767 Front Timing Cover Bolts 10
  
Cylinder Head Components
 
  
 +
'''Cylinder Head Components'''
 
 
 
 
Part-No. Description Manufacturer QTY
+
Part-No. Description QTY
  
 
12558060
 
12558060
Cylinder Head w/valves, cast-iron,Vortec General Motors 2
+
Cylinder Head w/valves, cast-iron,Vortec 2
  
 
10105117
 
10105117
Cylinder Head Gasket General Motors 2
+
Cylinder Head Gasket 2
  
 
12495499
 
12495499
Cylinder Head Bolt Package General Motors 1
+
Cylinder Head Bolt Package 1
  
 
141107
 
141107
Valve Cover 2 per package Proform 1
+
Valve Cover 2 per package [Proform] 1
  
 
66035
 
66035
Valve Cover Beather Proform 1
+
Valve Cover Beather [Proform] 1
  
 
141630
 
141630
Oil Fill Cap Proform 1
+
Oil Fill Cap [Proform] 1
  
 
141615
 
141615
PCV & Breather Grommet Kit Proform 1
+
PCV & Breather Grommet Kit [Proform] 1
  
 
10046089
 
10046089
Valve Cover Gasket General Motors 2
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Valve Cover Gasket 2
  
 
12338092
 
12338092
Valve Cover Bolts General Motors 8
+
Valve Cover Bolts 8
  
 
6487779
 
6487779
PCV Valve General Motors 1
+
PCV Valve 1
  
  
Oiling Components
+
'''Oiling Components'''
 
 
 
 
Part-No. Description Manufacturer QTY
+
Part-No. Description QTY
  
 
12555284
 
12555284
Oil Pump w/.620" dia. tube hole General Motors 1
+
Oil Pump w/0.620" dia. tube hole 1
  
 
3855152
 
3855152
Oil Pump Pick-up & Screen w/.620" tube General Motors 1
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Oil Pump Pick-up & Screen w/0.620" tube 1
  
 
93442037
 
93442037
Oil Pump w/.742" dia. tube hole General Motors 1
+
Oil Pump w/0.742" dia. tube hole 1
  
 
12550042
 
12550042
Oil Pump Pick-up & Screen w/.742" tube General Motors 1
+
Oil Pump Pick-up & Screen w/0.742" tube 1
 +
'''Special Note:''' Both the 0.620" and 0.742" oil pick up tube diameters are used depending on avaiablity at the time of engine production. Measure pick-up tube diameter before replacing oil pump or pick-up tube and screen.
  
 
10046007
 
10046007
Oil Pump Bolt General Motors 1
+
Oil Pump Bolt 1
  
 
3998287
 
3998287
Oil Pump Drive Shaft General Motors 1
+
Oil Pump Drive Shaft 1
  
 
3764554
 
3764554
Oil Pump Drive Shaft Retainer General Motors 1
+
Oil Pump Drive Shaft Retainer 1
  
 
25013454
 
25013454
Oil Filter General Motors 1
+
Oil Filter 1
  
 
3952301
 
3952301
Oil Filter Adaptor General Motors 1
+
Oil Filter Adaptor 1
  
 
3951644
 
3951644
Oil Filter Adaptor Bolts General Motors 2
+
Oil Filter Adaptor Bolts 2
  
Not Utilized Oil Filter Gasket Not Utilized
 
 
Not Utilized Oil Filter Pressure Valve Not Utilized
 
 
 
12557558
 
12557558
Oil Pan 5QT General Motors 1
+
Oil Pan 5QT 1
  
 
12554816
 
12554816
Windage Tray General Motors 1
+
Windage Tray 1
  
 
3921988
 
3921988
Oil Pan Drain Plug General Motors 1
+
Oil Pan Drain Plug 1
  
 
14090908
 
14090908
Oil Pan Drain Plug Gasket General Motors 1
+
Oil Pan Drain Plug Gasket 1
  
 
10108676
 
10108676
Oil Pan Gasket General Motors 1
+
Oil Pan Gasket 1
  
 
12553059
 
12553059
Oil Pan Reinforment RH General Motors 1
+
Oil Pan Reinforment RH 1
  
 
12553058
 
12553058
Oil Pan Reinforment LH General Motors 1
+
Oil Pan Reinforment LH 1
  
 
9440033
 
9440033
Oil Pan Bolt General Motors 12
+
Oil Pan Bolt 12
  
 
9424877
 
9424877
Oil Pan Stud General Motors 2
+
Oil Pan Stud 2
  
 
12338130
 
12338130
Oil Pan Nut General Motors 4
+
Oil Pan Nut 4
  
 
10077153
 
10077153
Oil Dipstick General Motors 1
+
Oil Dipstick 1
  
 
3951600
 
3951600
Oil Dipstick Tube Lower General Motors 1
+
Oil Dipstick Tube Lower 1
  
 
10055724
 
10055724
Oil Dipstick Tube Upper General Motors 1
+
Oil Dipstick Tube Upper 1
  
Not Utilized Oil Dipstick Plug Not Utilized
+
+
'''Cooling Components'''
* Special Note: Both the .620" and .742" are used depending on avaiablity at the time of engine production.
+
Measure pick-up tube diameter before replacing oil pump or pick-up tube and screen.
+
 
+
+
Cooling Components
+
 
 
 
 
Part-No. Description Manufacturer QTY
+
Part-No. Description QTY
  
 
88894341
 
88894341
Water Pump (replace w/supplied serp kit) General Motors 1
+
Water Pump (replace w/supplied serp kit) 1
  
 
3754587
 
3754587
Water Pump Gasket General Motors 2
+
Water Pump Gasket 2
  
 
12552096
 
12552096
Water Pump Bolt General Motors 4
+
Water Pump Bolt 4
  
 
10207373
 
10207373
Thermostat 180 degree General Motors 1
+
Thermostat 180 degree 1
  
 
10108470
 
10108470
Thermostat Housing General Motors 1
+
Thermostat Housing 1
  
 
10105135
 
10105135
Thermostat Gasket General Motors 1
+
Thermostat Gasket 1
  
 
10198997
 
10198997
Thermostat Housing Bolt General Motors 2
+
Thermostat Housing Bolt 2
  
  
Fuel Delivery Components
+
'''Fuel Delivery Components'''
 
   
 
   
Part-No. Description Manufacturer QTY
+
Part-No. Description QTY
  
 
6415325
 
6415325
Fuel Pump General Motors 1
+
Fuel Pump 1
  
 
3704817
 
3704817
Fuel Pump Push Rod General Motors 1
+
Fuel Pump Push Rod 1
 +
 
 
3719599
 
3719599
Fuel Pump Adaptor Plate General Motors 1
+
Fuel Pump Adaptor Plate 1
  
 
12560223
 
12560223
F/P Adapter Plate Gasket General Motors 1
+
F/P Adapter Plate Gasket 1
  
 
9440033
 
9440033
F/P Adapter Plate Bolt General Motors 1
+
F/P Adapter Plate Bolt 1
  
 
9442963
 
9442963
Fuel Pump to Block Bolt General Motors 1
+
Fuel Pump to Block Bolt 1
  
Not Included Fuel Line Pump to Carb Not Included
 
 
 
12497147
 
12497147
Carburetor General Motors 1
+
Carburetor 1
  
 
141307
 
141307
Air Cleaner Proform 1
+
Air Cleaner [Proform] 1
  
  
Intake Manifold Components
+
'''Intake Manifold Components'''
 
 
 
 
Part-No. Description Manufacturer QTY
+
Part-No. Description QTY
  
 
12496820
 
12496820
Intake Manifold General Motors 1
+
Intake Manifold 1
  
 
89017465
 
89017465
Intake Gasket General Motors 1
+
Intake Gasket 1
  
 
12550027
 
12550027
Intake Manifold Bolt General Motors 8
+
Intake Manifold Bolt 8
  
 
6269414
 
6269414
EGR Valve Cover Plate General Motors 1
+
EGR Valve Cover Plate 1
  
 
14094792
 
14094792
EGR Valve Cover Plate Gasket General Motors 1
+
EGR Valve Cover Plate Gasket 1
  
 
12556596
 
12556596
EGR Passage Pipe Plug General Motors 1
+
EGR Passage Pipe Plug 1
  
 
17052693
 
17052693
EGR Valve General Motors 1
+
EGR Valve 1
  
 
12554530
 
12554530
EGR Valve Gasket General Motors 1
+
EGR Valve Gasket 1
  
 
10220275
 
10220275
EGR Pipe General Motors 1
+
EGR Pipe 1
  
 
12552329
 
12552329
EGR Pipe Fitting General Motors 1
+
EGR Pipe Fitting 1
  
 
12557828DT
 
12557828DT
LH Vortec Exhaust Manifold drilled for O2 Pace Performance 1
+
LH Vortec Exhaust Manifold drilled for O2 [Pace Performance] 1
  
 
12557828
 
12557828
LH Vortec Exhaust Manifold (cast-iron) General Motors 1
+
LH Vortec Exhaust Manifold (cast-iron) 1
 
+
 
+
* Special Note: these items are NOT supplied with the engine but are listed for customers wanting to add a EGR valve to this engine.
+
  
** Special Note: use Edelbrock # 1476 weld-on EGR fitting for applications using headers
+
'''Special Note:''' EGR parts are NOT supplied with the engine but are listed for customers wanting to add a EGR valve to this engine. Use Edelbrock part number 1476 weld-on EGR fitting for applications using headers
  
  
Ignition Components
+
'''Ignition Components'''
 
   
 
   
Part-No. Description Manufacturer QTY
+
Part No. Description QTY
  
 
93440806
 
93440806
Distributor Assembly General Motors 1
+
Distributor Assembly 1
  
 
19110931
 
19110931
Distributor Cap General Motors 1
+
Distributor Cap 1
  
 
19110934
 
19110934
Distributor Rotor General Motors 1
+
Distributor Rotor 1
  
 
10096197
 
10096197
Distributor Hold Down General Motors 1
+
Distributor Hold Down 1
  
 
10108445
 
10108445
Distributor Gasket General Motors 1
+
Distributor Gasket 1
  
 
12498335
 
12498335
Ignition Coil General Motors 1
+
Ignition Coil 1
  
 
10456413
 
10456413
Distributor Gear General Motors 1
+
Distributor Gear 1
  
 
12361057
 
12361057
Spark Plug Wire Set General Motors 1
+
Spark Plug Wire Set 1
  
 
12496806
 
12496806
Spark Plug Wire Looms General Motors 1
+
Spark Plug Wire Looms 1
  
 
19157986
 
19157986
Spark Plugs R44LTS A/C Delco 8
+
Spark Plugs R44LTS [A/C Delco] 8
  
  
Misc. Components
+
'''Misc. Components'''
 
 
 
 
Part-No. Description Manufacturer QTY
+
Part No. Description QTY
  
 
14088765
 
14088765
A/T Flexplate 12-3/4" 153 Tooth General Motors 1
+
A/T Flexplate 12-3/4" 153 Tooth 1
  
 
14088764
 
14088764
Flywheel Bolts for Auto Trans Flexplates General Motors 6
+
Flywheel Bolts for Auto Trans Flexplates 6
  
 
88960604
 
88960604
Harmonic Balancer General Motors 1
+
Harmonic Balancer 1
  
 
3815933
 
3815933
Harmonic Balancer Bolt General Motors 1
+
Harmonic Balancer Bolt 1
  
 
14001829
 
14001829
Harmonic Balancer Washer General Motors 1
+
Harmonic Balancer Washer 1
  
 
1006751
 
1006751
Harmonic Balancer Woodruff Key General Motors 1
+
Harmonic Balancer Woodruff Key 1
  
 
10465143
 
10465143
Starter for 12-3/4" Flexplates & Flywheels General Motors 1
+
Starter for 12-3/4" Flexplates & Flywheels 1
  
 
14097278
 
14097278
Starter Bolt, Long 3/8"-16 X 4-21/64" General Motors 1
+
Starter Bolt, Long 3/8"-16 X 4-21/64" 1
  
 
14037733
 
14037733
Starter Bolt, Short 3/8"-16 X 1-27/32" General Motors 1
+
Starter Bolt, Short 3/8"-16 X 1-27/32" 1
  
Special Notes: Other Flywheel Options not included with this engine.
+
'''Special Notes:''' Other Flywheel Options not included with this engine.
 
 
 
Manual Trans 12-3/4" 153 Tooth: 14088650 Flywheel for use with 10-1/2" clutch, (6) 12337973 bolts, use 10465143 Starter
 
Manual Trans 12-3/4" 153 Tooth: 14088650 Flywheel for use with 10-1/2" clutch, (6) 12337973 bolts, use 10465143 Starter

Revision as of 20:04, 18 May 2012

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