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each spark plug delivers maximum voltage and consistent spark density, with no variation between cylinders. Iridium-Tip Spark
Plugs: The spark plugs have an iridium electrode tip and an iridium core in the conductor, offering higher internal resistance while
maintaining optimal spark density over its useful life. The electrode design improves combustion efficiency.
Fuel System
Low Pressure (Fuel Tank to Engine)
The production system uses a return less variable flow/pressure system that has been incorporated in the Chevrolet Performance
engine control kit. A return less fuel system reduces the internal temperature of the fuel tank by controlling the speed of the fuel
pump and not returning hot fuel from the engine to the fuel tank. The engine control kit included Fuel Pump Power Module, to
regulate fuel pressure.
High Pressure (On Engine)
The high fuel pressure necessary for direct injection is supplied by the high pressure fuel pump. The high pressure fuel pump is
mounted on the rear of the engine under the intake manifold and is driven by a three-lobe cam on the camshaft. This high pressure
fuel pump also regulates the fuel pressure using an actuator in the form of an internal solenoid-controlled valve that is controlled by
the ECM.
Positive Crankcase Ventilation (PCV) System
A closed crankcase ventilation system is used in order to provide a more complete scavenging of the crankcase vapors. Fresh
air from the air filtration system (air cleaner) is supplied to the crankcase, mixed with blow-by gases, and then passed through a
crankcase ventilation valve into the intake manifold. There are two ports, one each per valve cover that need to be connected to
the engine oil separator canister located on the right front of the engine. Then the third tube need to be routed to the air filtration
system (air cleaner). This connection needs to be between the Mass Air Flow meter (MAF) and the engine throttle body. The air for
PCV needs to be measured by the MAF, in order for proper engine operation. See below image for proper installation. Reference
2019 Camaro LT1 for current part numbers.
PCV HOSE
ROUTING
Performance Crate 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.
FUEL SUPPLY TUBE
CONNECT TO CLEAN
SIDE OF AIR CLEANER
19416593
IR 02MY18
PART NO.
DATE
02MY18
Initial Release - Rocko Parker
3
SHEET
REVISION
27
OF
AUTH
N/A
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