ZZ572/620 (19201333) and ZZ572/720R (19201334) Deluxe Specifications
Specifications Part Number 88962929
This ZZ572 deluxe documentation should be used in conjunction with the ZZ572 short block, part number 88962927,
and ZZ572 long block, part number 88962928. The documentation included within this information packet builds on
the ZZ572 short block and ZZ572 long block information. Please locate the ZZ572 short block and ZZ572 long block
information and begin there. This is the final (third) section of the instruction for the ZZ572 deluxe engine assembly.
Thank you for choosing Chevrolet Performance Parts as your high performance source. Chevrolet Performance Parts is
committed to providing proven, innovative performance technology that is truly.... more than just power. Chevrolet Performance
Parts are engineered, developed and tested by the factory to exceed your expectations for fit and function. Visit our website at
www.chevroletperformanceparts.com
for the Chevrolet Performance Parts Authorized Center nearest you.
This publication provides general information on components and procedures that may be useful when installing or servicing a
ZZ572 deluxe assembly. Please read this entire publication before starting work. Also, please verify that all of the components
listed in the Package Contents section below were in fact shipped in the kit.
The information below is divided into the following sections: package contents, torque information, ZZ572/620 and ZZ572/720R
deluxe engine assembly specifications, engine start-up procedures, component information, and a service parts list.
The ZZ572 deluxe engine assembly includes additional components to the long block assembly which make up the deluxe
engine. Additional key items include the intake manifold, carburetor, distributor, and the water pump. Chevrolet recommends
that you use a minimum octane rating of 92 (R+M/2) fuel in the ZZ572/620 (9.6:1 compression ratio) and 110 octane fuel in the
ZZ572/720R (12:1 compression ratio) to prevent preignition.
It is not the intent of these specifications to replace the comprehensive and detailed service practices explained in the factory
service manuals.
For information about warranty coverage, please contact your local Chevrolet Performance Parts dealer.
Observe all safety precautions and warnings in the service manuals when installing a ZZ572 tall deck big block Chevrolet
(BBC) deluxe assembly in any vehicle. Wear eye protection and appropriate protective clothing. Support the vehicle securely
with jackstands when working under or around it. Use only the proper tools. Exercise extreme caution when working with
flammable, corrosive, and hazardous liquids and materials. Some procedures require special equipment and skills. If you do not
have the appropriate training, expertise, and tools to perform any part of this conversion safely, this work should be done by a
professional.
The information contained in this publication is presented without any warranty. All the risk for its use is entirely assumed by the
user. Specific component design, mechanical procedures, and the qualifications of individual readers are beyond the control of
the publisher, and therefore the publisher disclaims all liability incurred in connection with the use of the information provided in
this publication.
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ZZ572/620 and ZZ572/720R Deluxe Specifications
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