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LT5 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:.............................................................................................. 10.0:1
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:........................................................................................ 65.5cc
Crankshaft:.................................................................................................. Forged steel, internally balanced
Connecting Rods:........................................................................................ Forged powdered metal
Pistons:........................................................................................................ Forged aluminum
Camshaft:.................................................................................................... Hydraulic roller tappet
Lift: ........................................................................................................... ... 0.502" intake, 0.561" exhaust
Duration:...................................................................................................... 188° intake, 223° exhaust @.050" tappet lift
Centerline:................................................................................................... 120.0° LSA
Rocker Arm Ratio:....................................................................................... 1.81:1
Oil Capacity with filter:................................................................................. dry sump
Oil Pressure (Minimum, with hot oil):........................................................... 6 psig @ 1000 RPM
................................................................................................................... 18 psig @ 2000 RPM
................................................................................................................... 24 psig @ 4000 RPM
Recommended Oil:............................................... DEXOS2 0W40 or Mobil1 15W50 (for track type events)
Oil Filter:...................................................................................................... AC Delco part # PF64
Fuel: ........................................................................................................... Premium unleaded-92 (R+M/2)
Maximum Engine Speed:............................................................................ 6600 RPM
Spark Plugs:................................................................................................ Chevrolet 12642722
.....................................................................................................................AC Delco # 41-128
Spark Plug Gap:.......................................................................................... 0.037–0.043" (0.95–1.10 mm)
Firing Order:................................................................................................ 1-8-7-2-6-5-4-3
Boost-Maximum........................................................................ ....13.96 PSIG
Information may vary with application. All specifications listed are based on the latest production information available at the time
of printing.
LT5 Dry Sump Engine Installation
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.
19417106
IR 03OC18
PART NO.
DATE
03OC18
Initial Release - Rocko Parker
12
SHEET
REVISION
36
OF
AUTH
N/A
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