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ZZ572/620 and ZZ572/720R Deluxe Engine Assembly Specifications:
Distributor
Intake Manifold
Carburetor
Water Pump
Flex plate
Horsepower Rating
Torque Rating
Maximum Engine Speed:
Note: These specifications are in addition to those documented within the short and long block instructions.
Information may vary with application. All specifications listed are based on the latest production information available at
the time of printing.
Caution
This engine assembly needs to be filled with oil and primed. You should add the specified oil (see startup
instructions) to your new engine. Check the engine oil level on the dipstick and add accordingly.
ZZ572/620 and ZZ572/720R Deluxe Specifications
TITLE
High Energy Ignition (HEI) for ZZ572/620. Competition multiple spark discharge
unit with an adjustable collar for ZZ572/720R
Aluminum single plane for Holley 4150 series carburetors for ZZ572/620.
Aluminum single plane for Holley 4500 series carburetors for ZZ572/720R
850cfm four-barrel with mechanical secondaries and electric choke for ZZ572/620.
1150cfm four-barrel with mechanical secondaries and no choke for ZZ572/720R
Short legged aluminum pump
Standard automatic transmission flex plate for ZZ572/620.
No flex plate included for ZZ572/720R
620 HP @ 5500 RPM for ZZ572/620.
720 HP @ 6250 RPM for ZZ572/720R
650 ft.lbs. @ 4500 RPM for ZZ572/620.
685 ft.lbs. @ 4500 RPM for ZZ572/720R
6000 RPM for ZZ572/620. 6750 RPM for ZZ572/720R
Ignition Timing 15° initial advance, 36° total advance
REV 16JA15
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PART NO.
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