LT1 Engine Specifications:
Type: .......................................................................................................... Gen V Small Block V8
Displacement: ............................................................................................. 376 cubic inches (6.2 liters)
Bore x Stroke: ............................................................................................. 4.065" (103.25 mm) X 3.622" (92 mm)
Compression: ............................................................................................. 11.5:1
Block: .......................................................................................................... Cast aluminum, six bolt cross-bolted main caps
Cylinder Head: ............................................................................................ Cast aluminum rectangle port
Valve Diameter (Intake/Exhaust): ............................................................... 2.13"/1.59" (54mm/40.4mm)
Chamber Volume: ....................................................................................... 59cc
Crankshaft: ................................................................................................. Forged steel, internally balanced
Connecting Rods: ....................................................................................... Forged powdered metal
Pistons: ....................................................................................................... Hypereutectic aluminum
Camshaft: ................................................................................................... Hydraulic roller tappet
Lift:
.......................................................................................................... 0.551" intake, 0.524" exhaust
Duration: ..................................................................................................... 200° intake, 207° exhaust @.050" tappet lift
Centerline: .................................................................................................. 116.5° LSA
Rocker Arm Ratio: ...................................................................................... 1.81:1
Oil Capacity with filter: ................................................................................ 7.0-quart (6.6 liters)
Oil Pressure (Minimum, with hot oil): .......................................................... 6 psig @ 1000 RPM
.......................................................................................................... 18 psig @ 2000 RPM
.......................................................................................................... 24 psig @ 4000 RPM
Recommended Oil: ..................................................................................... DEXOS1 5W30 or Mobil1 15W-50
Oil Filter: ..................................................................................................... AC Delco part # PF64
Fuel: .......................................................................................................... Premium unleaded-92 (R+M/2)
Maximum Engine Speed: ........................................................................... 6600 RPM
Spark Plugs: ............................................................................................... Chevrolet 12622441
.......................................................................................................... AC Delco # 41-114
Spark Plug Gap: ......................................................................................... 0.037–0.043" (0.95–1.10 mm)
Firing Order: ............................................................................................... 1-8-7-2-6-5-4-3
Information may vary with application. All specifications listed are based on the latest production information available at the
time of printing.
Performance Parts LT1 Engine
TITLE
ALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11
WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.
TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.
19328729
PART NO.
DATE
03JN14
Initial Release - Rocko Parker
13MY16
Revision - Rocko Parker
11
SHEET
REVISION
33
OF
AUTH
N/A
N/A