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Engine profile

1957 Studebaker Jet-Stream supercharged 289 V8

Studebaker V8 · 289 cubic inches · Studebaker-Packard Corporation

Engine Summary

Manufacturer
Studebaker-Packard Corporation
Family
Studebaker V8
Displacement
289 cubic inches

Also Known As

1957 Golden Hawk 289Jet-Stream 289Jet-Stream supercharged 289McCulloch-supercharged 289McCulloch VS-57S 289PS-series 289Studebaker 289 supercharged

Identification reference

Engine Details

Source-backed component numbers, codes, stampings, and application notes.

Carburetor air-chamber running changes

Value
Idle-mixture extension rods 1542985/1542986 entered at engine PS-2197 and car serial 6101154; vent removal and drain-pipe revision entered at engine PS-2375 and car serial 6101368
Application
breakpoints identify documented 1957 Golden Hawk production changes, not the current equipment on an uninspected car
Type
carburetor / assembly code

Sources: Service Bulletin No. 320

Supercharged carburetor altitude jets

Value
1543030x4/.057 standard; 1543030x3/.055 at 4,000-8,000 ft; 1543030x2/.053 at 8,000-12,000 ft; 1543030x1/.051 above 12,000 ft
Application
use the supercharged jet construction; same-size standard-carburetor jets are not interchangeable
Type
carburetor / part number

Sources: Service Bulletin No. 320

Supercharger sliding-pulley running change

Value
Stop washer 1543207 entered at supercharger serial 101986; shorter input-shaft seal spacer 1543206 replaced 1542941
Application
earlier superchargers receive the stop washer when disassembled; verify the individual unit before claiming production configuration
Type
other / stamp

Sources: Service Bulletin No. 320

Cars Using This Engine

1 linked car page.

Source Trail