Here is a list of part numbers some may find useful while doing routine maintenance on their LT1's.
http://www.nookandtranny.com/Info_LT1.html
ENGINE
10105379 Stock 48mm throttle body gasket
12524653 Intake manifold gasket set
12552469 Exhaust manifold gasket set
10168457 Stock .049" head gaskets (Aluminum heads)
12369145 Head Gasket Kit (includes intake/heads(aluminum)/exhaust/etc)
10128293 Front cover (timing cover) gasket
12552428 Front cover Optispark Seal
10128316 Front cover crank seal
10474278 Distributor drive shaft seal
12553792 Water pump drive seal
10217886 Water pump front seal
10128343 Water pump gasket (2)
12527740 LT1 Water Pump
10046089 Centerbolt Valve Cover Gasket
25171377 Oil Filter AC PF52(Duraguard)
25325403 Oil Filter AC PF52(Duraguard Silver)
25322836 Oil Filter AC PF52(Ultraguard Gold)
10108676 Oil Pan Gasket
12551589 Oil Filter Adapter gasket
10244495 Oil Filter Adapter o-ring
14090908 oil cooler tube seals (2)
17113381 F-Body EGR valve
12337972 EGR Valve Gasket
10055726 EGR Tube Gasket
25095452 PCV VALVE
10240678 PCV GROMMET
12556257 PCV PIPE
460483 Engine valve oil seal
10046089 iron head rocker cover
25121978 fuel filter
12370835 LT4 Extreme Duty Roller Timing Set
12555885 LT4 Roller Timing Set Cam Gear (95+ LT1) or 94 + B-body
12555886 LT4 Roller Timing Set Crank Gear (95+ LT1) or 94 + B-body
12555887 LT4 Roller Timing Set Roller Chain (95+ LT1) or 94 + B-body
10128346 LT1 Link-Chain Timing Set Crank Sprocket
10128485 LT1 Link-Chain Timing Set Link Chain
10126039 95+ LT1 Link-Chain Timing Set Cam Sprocket or 94 + B-body
10476885 Crank posistion sensor SEAL (96 only--OBD II)
22146273 left motor mount (LT1)
22146274 right motor mount (LT1)
12555714 Rear main seal housing gasket
17113086 Pressure regulator seal kit
10115875 1LE AC delete pulley
DRIVETRAIN(Tranny, 8.5" rear end)
1234726 crush sleeve for 8.5" Axle
26033578 Pinion Seal (Production piece)
26064028 Pinion Seal (New design)
26066456 differential cover gasket, 2nd design
24202310 S10 torque converter
12470387 Yoke Service Kit / Pinion flange
26018943 3.08 reluctor B-body
26018944 3.23 reluctor B-body
26018945 3.42 reluctor B-body
26018946 3.73 reluctor B-body
BRAKES
18022147 rear caliper guide pin
14067559 rear guide pin bolt
12337902 rear caliper bracket bolt
14067552 rear caliper guide pin boot
18021519 caliper brackets for 9C1 (cad plated)
18021945 caliper brackets for Impala (black finish)
18005606 front caliper bushing kit (one kit per car)
SUSPENSION/STEERING
26014085 Steering shaft Assy.
457915 body bushings, position 1,2,3,4,6 (Pink)
457917 body bushing, position 7 (Dk Green)
10221779 front swaybar endlinks
88912214 Sway bar Link kit "performance" similar to 10221779 1LE Camaro
88912477 Bumper,lower control arm, with self locking nut
15989674 Bumper, lower control arm, from S10 ZQ8 suspension package. Can be ground down.
88911336 Idler arm, Dana-Spicer sourced, with bonded blue poly seals
26001594 Seal, power steering system, for metal pipe fitting connections
ELECTRICAL/COMPUTER/SENSORS
12176639 Brass AUX Battery Post
16188051 94-95 LT1 PCM
16188309 Knock module - LT1 95 Impala SS
16217700 Knock module - LT1 F-Body OBD-I
16214661 Knock module - LT1 F-body OBD-II
16214671 Knock module - LT1 Corvette
16214681 Knock module - LT4 Corvette
16214691 Knock module - LT1 Impala 2
25008308 3.5" MAF sensor
2503679 1 bar MAP sensor
25312184 O2 Sensor
1997223 EGR Solenoid
10457293 Optispark Cap & Rotor Kit (inc bolts/cover/o-rings)
10455709 Starter--gear reduction, lightweight, new no core, from 92-96 LT1 Corvette
kit GM part # 17113086
GM PART # 17113544 for o-ring kit or AC-Delco # 217-1379.
Kit includes: O-rings for crossover tube, and for fuel pressure regulator....
http://www.summitracing.com/parts/TFS-89000-O/?rtype=10
94-97 LT1
Common LT1 Engine Part Numbers
Ignition:
1993-1994 optispark (non-vented style, spline driven) 10457702
1995-1997 optispark (vented style, cam dowel driven) 1104032
1995-1997 vented optispark vacuum hoses 12555323
1993-1994 optispark electrical harness 12106559
1995-1997 optispark electrical harness 12130319
1993 ignition coil 1115315
1994-1995 ignition coil 10477208
1996-1997 ignition coil 10489421
1993 ignition control module 10483131
1994-1995 ignition control module 10483139
1996-1997 ignition control module 10482803
Camshaft/Valvetrain LT4 valve springs (set of 16) 12495494
LT4 Valve spring (1) 12551483
LT4 extreme duty timing set 12370835
LT4 Hotcam
LT4 1.6 roller rocker arm (1) 12557779
1993-1994 front cover (includes round seals) 12551636
1995 front cover (includes round seals) 12552426
1996-1997 front cover (includes round seals) 12552427
1993-1994 front cover opti seal 10128317
1995-1997 front cover opti seal 12552428
1993-1997 front cover crank seal 10128316
1993-1997 front cover water pump seal 10217886
1993-1997 front cover gasket 10128293
General Engine:
LT4 heads 12555332
LT4 Intake Manifold 12550630
Misc
F-body a/c delete pulley 10115875
1993-1997 water pump 12527741
1993-1997 water pump coupling 10128334
1993-1994 1LE intake elbow (no vent hole for opti) 25147210
1995-1997 1LE intake elbow (for vented opti) 25147187
1994-1997 front flexible fuel supply lines 10258441
PCM Related
1993-1995 knock sensor 10456126
1996-1997 knock sensor 10456287
LT1 Knock Module 94-95 OBD1 16217700
LT1 Knock Module 96-97 OBD2 16214661
LT4 Knock Module 96-97 OBD2 16214681
Head Gasket Thickness
Stock gasket = 0.040
Fel Pro 1074 = 0.039
Impala = 0.029
Mr Gasket 5716 = 0.026
12561388 Main Bearing Cap Bolt Outer 10
3877669 Main Bearing Cap Bolt Inner 6
12561389 Main Bearing Cap Stud Inner 3
9442946 Main Bearing Cap Nut For Windage Tray 1
12453170 Camshaft Bearing—Camshaft #1 1
12453171 Camshaft Bearing—Camshaft #2 1
12453172 Camshaft Bearing—Camshaft #3, 4 2
10241154 Camshaft Plug—Rear 1
88891749 Freeze Plug, Cup—Brass 41.1mm 8
10120990 Main Bearing (Std) #1, 2, 3, 4 (All Small Blocks Except 383) 4
10120993 Main Bearing (Std) Rear (All Small Blocks Except 383) 1
1453658 Transmission Dowel Pin 5/8″ X 1 3/16″ 2
12554553 Front Dowelpin 1/4″ X 5/8″ 2
585927 Dowel Pin 5/16″ X 9/16″ 4
14081701 1/4″ Pipe Plug (Thread Socket Head) 4
14091563 Oil Galley, Steel Cup Plug (.476″) 4
9441003 Rear Seal Housing Locator Pin 7/16″ X 9/16″ 1
14084945 Block Drain Plug (1/4-18 X .56) Threaded 2
14088556 Rear Seal Retainer 1
10088158 Rear Crank Seal 1-Pc Style 1
14080362 Oil Pan Stud—Outboard 1
12555771 Rear Adapter Gasket to Block 1
14101058 Adapter Stud 2
14088561 Adapter Bolt—Torx Upper 1
9439915 Hex Nut, Adapter To Stud 1/4-20 X .234 1
14088562 Adapter Bolt, Torx Thru Loc Pin 1/4-20 X .75
10121044 Rear Seal (2-Piece Seal Design) 1
12513961 Front Cover, Sheet Metal With Welded Pointer 1
10108435 Front Cover Gasket—Sheet Metal Cover 1
10243247 Front Crank Seal—Sheet Metal Cover 1
12562818 Cover, Engine Front w/o Pointer ZZ4 Design Engines 1
10228655 Front Crank Seal 1
9439930 Front Cover Bolt 10
10213293 Front Cover Bolt 6
12551135 Front Cover Bolt 2
10213294 Eng Frt Cover Bolt Grommet 8
14090911 Plug (3/8-18 Threaded) ar
10168527 Head Bolt—Short 4
10168526 Head Head—Medium 20
10168525 Head Head—Long 4
10089648 Rocker Arm—w/Nut & Ball (Use With All Steel Rockers) ar
10088128 Camamsft Retainer 1st Des 3.620 Bolt Pattern 1
10168501 Camshaft Retainer 2nd Des 3.294 Bolt Pattern 1
14093637 Camshaft Bolt Retainer (Torx) 2
12554553 Camshaft Sprocket Locator Pin To Cam 1/4 X 5/8 1
9424877 Camshaft Bolt Sprocket 5/16-18 X 3/4 300m 3
10108688 Connecting Rod—All Except 383 Engines ar
461372 Connecting Rod Bolt—All Except 383 Engines ar
225854 Connecting Rod Nut—All Except 383 Engines ar
12523924 Connecting Rod Bearing (Std) Except 383 Engine ar
10046031 Flywheel Locator Pin 7/16 X 7/8 1
14061685 Clutch Pilot Bearing All With Manual Trans. 1
106751 Damper Key—Front Of Crankshaft (Woodruff) 1
3754587 Water Pump Gasket 2
9442012 Water Pump Bolts 3/8-16/ 2 1/4 4
14088753 Water Outlet 1
10198997 Water Outlet Bolts 2
10105135 Water Outlet Gasket 1
10207373 Thermostat, 195 Deg 1
10202456 Thermostat, 180 Deg 1
10108676 Oil Pan Gasket (1-Pc Des) 1
11518377 Oil Pan Drain Plug 12mm 1
3536966 Oil Pan Drain Plug O-ring Seal 1
3921988 Oil Pan Drain Plug, 1/2 1
14090908 Oil Pan Drain Plug Gasket 1
12553058 Oil Pan Reinforcement LH 1
12553059 Oil Pan Reinforcement RH 1
9440033 Oil Pan Bolt 1/4-20 X 5/8 14
12338130 Oil Pan Nut 5/16-18 2
9424877 Oil Pan Bolt 5/16-18 X 3/4 2
12551154 Oil Tube Indicator 1
12551144 Oil Tube Indicator 1
3952301 Oil Filter Adapter w/Bypass Valve
3951644 Oil Filter Adapter Bolt 5/16-18 X 1 1/8 2
3764554 Oil Pump Shaft Retainer (Nylon) 1
12525810 Intake Manifold Gaskert Set (For ZZ4 Engines) 1
89017465 Intake Manifold Gasket (For Vortec Design Heads) 1
12550027 Bolt, Intake Manifold (All With Vortec Design Heads) 8
88891769 Bolt, Intake (3/8-16 X 1 1/2 ) ZZ4 Design Engines 4
14091544 Bolt, Intake (3/8-16 X 1 1/8 ) ZZ4 Design Engines 4
9439918 Bolt, Intake (3/8-16 X 1 3/8 ) ZZ4 Design Engines 4
6269414 Manifold, Egr Cover, ZZ4 Engine 1
12554530 EGR Gasket ZZ4 Engine 1
9442184 EGR Cover Bolt T/w 9439571 Washer 2
14094792 Manifold, Choke Cover ZZ4 Engine 1
14096848 Manifold Choke Cover Gasket ZZ4 Engine 1
14094069 Fuel Pump Block Off Plate 1
12560223 Fuel Pump Cover Gasket 1
3719599 Fuel Pump Adapter Plate 1
9440033 Bolts, Fuel Pump 1/4-20 X 5/8 2
9442963 Bolts, Fuel Pump 3/8-16 X .3/4 2
3704817 Fuel Pump Push Rod 1
http://www.nookandtranny.com/Info_LT1.html
ENGINE
10105379 Stock 48mm throttle body gasket
12524653 Intake manifold gasket set
12552469 Exhaust manifold gasket set
10168457 Stock .049" head gaskets (Aluminum heads)
12369145 Head Gasket Kit (includes intake/heads(aluminum)/exhaust/etc)
10128293 Front cover (timing cover) gasket
12552428 Front cover Optispark Seal
10128316 Front cover crank seal
10474278 Distributor drive shaft seal
12553792 Water pump drive seal
10217886 Water pump front seal
10128343 Water pump gasket (2)
12527740 LT1 Water Pump
10046089 Centerbolt Valve Cover Gasket
25171377 Oil Filter AC PF52(Duraguard)
25325403 Oil Filter AC PF52(Duraguard Silver)
25322836 Oil Filter AC PF52(Ultraguard Gold)
10108676 Oil Pan Gasket
12551589 Oil Filter Adapter gasket
10244495 Oil Filter Adapter o-ring
14090908 oil cooler tube seals (2)
17113381 F-Body EGR valve
12337972 EGR Valve Gasket
10055726 EGR Tube Gasket
25095452 PCV VALVE
10240678 PCV GROMMET
12556257 PCV PIPE
460483 Engine valve oil seal
10046089 iron head rocker cover
25121978 fuel filter
12370835 LT4 Extreme Duty Roller Timing Set
12555885 LT4 Roller Timing Set Cam Gear (95+ LT1) or 94 + B-body
12555886 LT4 Roller Timing Set Crank Gear (95+ LT1) or 94 + B-body
12555887 LT4 Roller Timing Set Roller Chain (95+ LT1) or 94 + B-body
10128346 LT1 Link-Chain Timing Set Crank Sprocket
10128485 LT1 Link-Chain Timing Set Link Chain
10126039 95+ LT1 Link-Chain Timing Set Cam Sprocket or 94 + B-body
10476885 Crank posistion sensor SEAL (96 only--OBD II)
22146273 left motor mount (LT1)
22146274 right motor mount (LT1)
12555714 Rear main seal housing gasket
17113086 Pressure regulator seal kit
10115875 1LE AC delete pulley
DRIVETRAIN(Tranny, 8.5" rear end)
1234726 crush sleeve for 8.5" Axle
26033578 Pinion Seal (Production piece)
26064028 Pinion Seal (New design)
26066456 differential cover gasket, 2nd design
24202310 S10 torque converter
12470387 Yoke Service Kit / Pinion flange
26018943 3.08 reluctor B-body
26018944 3.23 reluctor B-body
26018945 3.42 reluctor B-body
26018946 3.73 reluctor B-body
BRAKES
18022147 rear caliper guide pin
14067559 rear guide pin bolt
12337902 rear caliper bracket bolt
14067552 rear caliper guide pin boot
18021519 caliper brackets for 9C1 (cad plated)
18021945 caliper brackets for Impala (black finish)
18005606 front caliper bushing kit (one kit per car)
SUSPENSION/STEERING
26014085 Steering shaft Assy.
457915 body bushings, position 1,2,3,4,6 (Pink)
457917 body bushing, position 7 (Dk Green)
10221779 front swaybar endlinks
88912214 Sway bar Link kit "performance" similar to 10221779 1LE Camaro
88912477 Bumper,lower control arm, with self locking nut
15989674 Bumper, lower control arm, from S10 ZQ8 suspension package. Can be ground down.
88911336 Idler arm, Dana-Spicer sourced, with bonded blue poly seals
26001594 Seal, power steering system, for metal pipe fitting connections
ELECTRICAL/COMPUTER/SENSORS
12176639 Brass AUX Battery Post
16188051 94-95 LT1 PCM
16188309 Knock module - LT1 95 Impala SS
16217700 Knock module - LT1 F-Body OBD-I
16214661 Knock module - LT1 F-body OBD-II
16214671 Knock module - LT1 Corvette
16214681 Knock module - LT4 Corvette
16214691 Knock module - LT1 Impala 2
25008308 3.5" MAF sensor
2503679 1 bar MAP sensor
25312184 O2 Sensor
1997223 EGR Solenoid
10457293 Optispark Cap & Rotor Kit (inc bolts/cover/o-rings)
10455709 Starter--gear reduction, lightweight, new no core, from 92-96 LT1 Corvette
kit GM part # 17113086
GM PART # 17113544 for o-ring kit or AC-Delco # 217-1379.
Kit includes: O-rings for crossover tube, and for fuel pressure regulator....
http://www.summitracing.com/parts/TFS-89000-O/?rtype=10
94-97 LT1
Common LT1 Engine Part Numbers
Ignition:
1993-1994 optispark (non-vented style, spline driven) 10457702
1995-1997 optispark (vented style, cam dowel driven) 1104032
1995-1997 vented optispark vacuum hoses 12555323
1993-1994 optispark electrical harness 12106559
1995-1997 optispark electrical harness 12130319
1993 ignition coil 1115315
1994-1995 ignition coil 10477208
1996-1997 ignition coil 10489421
1993 ignition control module 10483131
1994-1995 ignition control module 10483139
1996-1997 ignition control module 10482803
Camshaft/Valvetrain LT4 valve springs (set of 16) 12495494
LT4 Valve spring (1) 12551483
LT4 extreme duty timing set 12370835
LT4 Hotcam
LT4 1.6 roller rocker arm (1) 12557779
1993-1994 front cover (includes round seals) 12551636
1995 front cover (includes round seals) 12552426
1996-1997 front cover (includes round seals) 12552427
1993-1994 front cover opti seal 10128317
1995-1997 front cover opti seal 12552428
1993-1997 front cover crank seal 10128316
1993-1997 front cover water pump seal 10217886
1993-1997 front cover gasket 10128293
General Engine:
LT4 heads 12555332
LT4 Intake Manifold 12550630
Misc
F-body a/c delete pulley 10115875
1993-1997 water pump 12527741
1993-1997 water pump coupling 10128334
1993-1994 1LE intake elbow (no vent hole for opti) 25147210
1995-1997 1LE intake elbow (for vented opti) 25147187
1994-1997 front flexible fuel supply lines 10258441
PCM Related
1993-1995 knock sensor 10456126
1996-1997 knock sensor 10456287
LT1 Knock Module 94-95 OBD1 16217700
LT1 Knock Module 96-97 OBD2 16214661
LT4 Knock Module 96-97 OBD2 16214681
Head Gasket Thickness
Stock gasket = 0.040
Fel Pro 1074 = 0.039
Impala = 0.029
Mr Gasket 5716 = 0.026
12561388 Main Bearing Cap Bolt Outer 10
3877669 Main Bearing Cap Bolt Inner 6
12561389 Main Bearing Cap Stud Inner 3
9442946 Main Bearing Cap Nut For Windage Tray 1
12453170 Camshaft Bearing—Camshaft #1 1
12453171 Camshaft Bearing—Camshaft #2 1
12453172 Camshaft Bearing—Camshaft #3, 4 2
10241154 Camshaft Plug—Rear 1
88891749 Freeze Plug, Cup—Brass 41.1mm 8
10120990 Main Bearing (Std) #1, 2, 3, 4 (All Small Blocks Except 383) 4
10120993 Main Bearing (Std) Rear (All Small Blocks Except 383) 1
1453658 Transmission Dowel Pin 5/8″ X 1 3/16″ 2
12554553 Front Dowelpin 1/4″ X 5/8″ 2
585927 Dowel Pin 5/16″ X 9/16″ 4
14081701 1/4″ Pipe Plug (Thread Socket Head) 4
14091563 Oil Galley, Steel Cup Plug (.476″) 4
9441003 Rear Seal Housing Locator Pin 7/16″ X 9/16″ 1
14084945 Block Drain Plug (1/4-18 X .56) Threaded 2
14088556 Rear Seal Retainer 1
10088158 Rear Crank Seal 1-Pc Style 1
14080362 Oil Pan Stud—Outboard 1
12555771 Rear Adapter Gasket to Block 1
14101058 Adapter Stud 2
14088561 Adapter Bolt—Torx Upper 1
9439915 Hex Nut, Adapter To Stud 1/4-20 X .234 1
14088562 Adapter Bolt, Torx Thru Loc Pin 1/4-20 X .75
10121044 Rear Seal (2-Piece Seal Design) 1
12513961 Front Cover, Sheet Metal With Welded Pointer 1
10108435 Front Cover Gasket—Sheet Metal Cover 1
10243247 Front Crank Seal—Sheet Metal Cover 1
12562818 Cover, Engine Front w/o Pointer ZZ4 Design Engines 1
10228655 Front Crank Seal 1
9439930 Front Cover Bolt 10
10213293 Front Cover Bolt 6
12551135 Front Cover Bolt 2
10213294 Eng Frt Cover Bolt Grommet 8
14090911 Plug (3/8-18 Threaded) ar
10168527 Head Bolt—Short 4
10168526 Head Head—Medium 20
10168525 Head Head—Long 4
10089648 Rocker Arm—w/Nut & Ball (Use With All Steel Rockers) ar
10088128 Camamsft Retainer 1st Des 3.620 Bolt Pattern 1
10168501 Camshaft Retainer 2nd Des 3.294 Bolt Pattern 1
14093637 Camshaft Bolt Retainer (Torx) 2
12554553 Camshaft Sprocket Locator Pin To Cam 1/4 X 5/8 1
9424877 Camshaft Bolt Sprocket 5/16-18 X 3/4 300m 3
10108688 Connecting Rod—All Except 383 Engines ar
461372 Connecting Rod Bolt—All Except 383 Engines ar
225854 Connecting Rod Nut—All Except 383 Engines ar
12523924 Connecting Rod Bearing (Std) Except 383 Engine ar
10046031 Flywheel Locator Pin 7/16 X 7/8 1
14061685 Clutch Pilot Bearing All With Manual Trans. 1
106751 Damper Key—Front Of Crankshaft (Woodruff) 1
3754587 Water Pump Gasket 2
9442012 Water Pump Bolts 3/8-16/ 2 1/4 4
14088753 Water Outlet 1
10198997 Water Outlet Bolts 2
10105135 Water Outlet Gasket 1
10207373 Thermostat, 195 Deg 1
10202456 Thermostat, 180 Deg 1
10108676 Oil Pan Gasket (1-Pc Des) 1
11518377 Oil Pan Drain Plug 12mm 1
3536966 Oil Pan Drain Plug O-ring Seal 1
3921988 Oil Pan Drain Plug, 1/2 1
14090908 Oil Pan Drain Plug Gasket 1
12553058 Oil Pan Reinforcement LH 1
12553059 Oil Pan Reinforcement RH 1
9440033 Oil Pan Bolt 1/4-20 X 5/8 14
12338130 Oil Pan Nut 5/16-18 2
9424877 Oil Pan Bolt 5/16-18 X 3/4 2
12551154 Oil Tube Indicator 1
12551144 Oil Tube Indicator 1
3952301 Oil Filter Adapter w/Bypass Valve
3951644 Oil Filter Adapter Bolt 5/16-18 X 1 1/8 2
3764554 Oil Pump Shaft Retainer (Nylon) 1
12525810 Intake Manifold Gaskert Set (For ZZ4 Engines) 1
89017465 Intake Manifold Gasket (For Vortec Design Heads) 1
12550027 Bolt, Intake Manifold (All With Vortec Design Heads) 8
88891769 Bolt, Intake (3/8-16 X 1 1/2 ) ZZ4 Design Engines 4
14091544 Bolt, Intake (3/8-16 X 1 1/8 ) ZZ4 Design Engines 4
9439918 Bolt, Intake (3/8-16 X 1 3/8 ) ZZ4 Design Engines 4
6269414 Manifold, Egr Cover, ZZ4 Engine 1
12554530 EGR Gasket ZZ4 Engine 1
9442184 EGR Cover Bolt T/w 9439571 Washer 2
14094792 Manifold, Choke Cover ZZ4 Engine 1
14096848 Manifold Choke Cover Gasket ZZ4 Engine 1
14094069 Fuel Pump Block Off Plate 1
12560223 Fuel Pump Cover Gasket 1
3719599 Fuel Pump Adapter Plate 1
9440033 Bolts, Fuel Pump 1/4-20 X 5/8 2
9442963 Bolts, Fuel Pump 3/8-16 X .3/4 2
3704817 Fuel Pump Push Rod 1
