Chevrolet Performance 19166392 Caractéristiques Techniques

Anniversary Edition 427 (19166392) Specifications
Specifications Part Number 19211812
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This publication provides general information on components and procedures that may be useful when installing
or servicing an ANNIVERSARY EDITION 427 engine 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,
ANNIVERSARY EDITION 427 engine assembly specifications, and engine start up procedures, component
information and a service parts list.
The ANNIVERSARY EDITION 427 engine assembly incorporates modern technology in a package that can be
installed in applications where 366cid and up Big Block Chevrolet (BBC) V-8s were originally used. This engine
is assembled using brand new, premium quality components. Due to the wide variety of applications in which a
ANNIVERSARY EDITION 427 engine assembly can be used, some procedures and recommendations may not
apply to specific applications.
The ANNIVERSARY EDITION 427 engine assembly in an all new Gen VI aluminum cylinder block manufactured
on new production tooling; consequently you may encounter dissimilarities between the ANNIVERSARY EDITION
427 engine assembly and previous versions of the BBC V-8. The ANNIVERSARY EDITION 427 engine is
internally balanced and only should be used with an internally balanced flywheel, flexplate, and harmonic damper.
In general, items such as motor mounts, bell housing, starters, etc. can be transferred to this ANNIVERSARY
EDITION 427 engine assembly when it is installed in a vehicle originally equipped with a BBC V-8 engine. When
installing a ANNIVERSARY EDITION 427 engine assembly in a vehicle not originally equipped with a BBC V-8
it may be necessary to adapt or fabricate various components for the cooling, fuel, electrical, accessory drive
system and exhaust systems.
GM recommends that you use a minimum octane rating of 92 (R+M/2) fuel in the ANNIVERSARY EDITION 427
(10:1 compression ratio) to prevent pre-ignition and detonation.
Observe all safety precautions and warnings in the service manuals when installing a ANNIVERSARY EDITION
427 engine assembly in any vehicle. Wear eye protection and appropriate protective clothing. Support the vehicle
securely with jack stands 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.
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Anniversary Edition 427 (19166392) Specifications REV15JA15
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