Chevrolet Performance HT383 Manual De Especificaciones Y Funcionamiento

This HT383 long block specification sheet should be used in conjunction with the 383 short block
specification sheet, GM part number 19355750.
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Parts is committed to providing proven, innovative performance technology that is truly.... more than just power.
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function. Please refer to our catalog for the Chevrolet Performance Parts Authorized Center nearest you or visit
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This publication provides general information on components and procedures which may be useful when installing
or servicing an HT383 engine. Please read this entire publication before starting work. Also, please verify that all
of the components listed in the Package Contents section below were shipped in the kit.
The information below is divided into the following sections: package contents, component information,
HT383 engine specifications, additional parts that you may need to purchase, torque specifications,
and a service parts list.
The HT383 engine incorporates modern technology in a package that can be installed in applications where
265-400ci small block Chevrolet V-8's were originally used. This complete engine is assembled using brand new,
premium quality components. Due to the wide variety of vehicles in which an HT383 engine can be installed,
some procedures and recommendations may not apply to specific applications.
The HT383 engine consists of a cast iron engine block, cast iron cylinder head assemblies, forged steel
crankshaft, hypereutectic pistons, forged powder metal connecting rods, and a performance roller camshaft.
The HT383 engine is manufactured on current production tooling; consequently you may encounter dissimilarities
between the HT383 engine assembly and previous versions of the small block V-8. In general, items such as
motor mounts, accessory drives, exhaust manifolds, etc. can be transferred to an HT383 when it is installed in
a vehicle originally equipped with a small block V-8 engine. However, as noted in the following sections, there
may be minor differences between an HT383 engine and an older small block V-8 engine. These differences
may require modifications or additional components not included with the HT383 engine. When installing
an HT383 engine in a vehicle not originally equipped with a small block V-8, it may be necessary to adapt
or fabricate various components for the cooling, fuel, electrical, and exhaust systems.
It is not the intent of these specifications to replace the comprehensive and detailed service practices explained in
the Chevrolet 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 an HT383 engine in any
vehicle. Wear eye protection and appropriate protective clothing. When working under or around the vehicle
support it securely with jackstands. 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.
HT383 Crate Engine Specifications
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.
HT383 Engine Long Block Specifications
Specifications Part Number 19355751
REV 04OC17
DATE
06DE16
04OC17
19355751
PART NO.
REVISION
INITIAL RELEASE - JIM COVEY
REVISION - JIM COVEY
1 27
SHEET OF
AUTH
N/A
N/A