Classic Muscle
Search cars, engines, parts...

Search Classic Muscle

Enter at least two characters to search the archive.

Engine profile

Chevrolet 454ci LS5 V8

Mark IV big-block · 454 cubic inches · Chevrolet

Engine bay view from a 1970 Chevrolet Chevelle SS 454; representative big-block component media, not LS5-specific proof. 1970 Chevrolet Chevelle SS 454 LS5

Engine Summary

Manufacturer
Chevrolet
Family
Mark IV big-block
Displacement
454 cubic inches

Also Known As

454 LS5LS5 454Chevrolet 454ci LS5Chevy LS5 454RPO LS5LS5 454/360 hpLS5 360 hp 454 engine454 Cubic Inch V-8 Turbo-Jet 454 365 HP RPO LS5LS5 365 hp Turbo-Jet 454 Engine1971 Chevelle LS5 454 Turbo-Jet1971 Chevelle SS 454 LS5454/360 hpTurbo-Jet 454 V81970 Monte Carlo LS5 454 Turbo-Jet1970 Monte Carlo SS 454 LS51971 Monte Carlo LS5 454 Turbo-Jet1971 Monte Carlo SS 454 LS51971 Chevrolet Monte Carlo SS 4541971 Monte Carlo SS454 LS51971 Monte Carlo SS 454 365 hp1971 Monte Carlo SS 454 454/365454 Cu. In. Turbo-JetLS5 454 cu in Turbo-Jet V8El Camino SS 454 LS51970 El Camino LS51970 El Camino SS454 LS51971 El Camino SS 4541971 El Camino SS454 LS5

Identification reference

Engine Details

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

Four-barrel carburetion in LS5 suffix rows

Value
454-4
Application
1970 LS5 454/360 hp suffix rows CRQ, CRT, and CRU
Type
carburetor / specification

This is a carburetion specification from the engine ID table, not a carburetor list number or part number.

Sources: 1970 Chevelle Engine ID Codes

CPA

Value
454-4, 365-LS5, Manual-M22
Application
1971 Chevelle-series LS5 454 with M22 manual transmission; car-specific pad stamp and partial VIN still required for an individual El Camino
Type
engine assembly / assembly code
Location
engine pad stamp

Sources: 1971 Chevelle Engine ID Codes

CPD

Value
454-4, 365-LS5, TH-400
Application
1971 Chevelle-series LS5 454 with TH-400 automatic; source notes overlapping Monte Carlo reporting, so car-specific pad stamp and paperwork remain required for an individual El Camino
Type
engine assembly / assembly code
Location
engine pad stamp

ChevelleStuff flags CPD with an asterisk and notes Monte Carlo inclusion in related engine reporting.

Sources: 1971 Chevelle Engine ID Codes

LS5 454-4 360 hp engine suffix with M22 manual

Value
CRT
Application
1970 Chevelle/El Camino LS5 454-4 360 hp with M22 manual transmission
Type
engine assembly / assembly code
Location
engine pad suffix after assembly plant and date code

Sources: 1970 Chevelle Engine ID Codes

LS5 454-4 360 hp engine suffix with M22 manual and heavy-duty clutch

Value
CRU
Application
1970 Chevelle/El Camino LS5 454-4 360 hp with M22 manual transmission and heavy-duty clutch note
Type
engine assembly / assembly code
Location
engine pad suffix after assembly plant and date code

The reference notes Heavy Duty Clutch for this suffix row.

Sources: 1970 Chevelle Engine ID Codes

LS5 454-4 360 hp engine suffix with TH-400 automatic

Value
CRQ
Application
1970 Chevelle/El Camino LS5 454-4 360 hp with TH-400 automatic transmission
Type
engine assembly / assembly code
Location
engine pad suffix after assembly plant and date code

Listed in the 1970 Chevelle engine ID table without a Monte Carlo-only note.

Sources: 1970 Chevelle Engine ID Codes

Cars Using This Engine

6 linked car pages.

Source Trail