Rare Car Archive

Makes › Chevrolet United States › Chevelle › Second generation › Chevelle SS 454 LS6 · Rare specification · 1970

Chevrolet
Chevelle SS 454 LS6

LS6 454 in the Malibu convertible body – rarest LS6 Chevelle body style

Still being researched: why it matters, history, identification guide. Everything shown is checked against the cited sources. Know more? Send us a source.

IDENTIFICATION CARD · CHEVROLET CHEVELLE SS 454 LS6 1970
No licensed photograph yet. Photographs are published only when their licence permits it.
?ProductionNot yet verified
0Chassis documentedin this archive
?SurvivingNot yet verified
Contents
  1. 01Overview
  2. 02Production & history
  3. 03Specifications
  4. 04Colours & options
  5. 05Individual cars
  6. 06Reference

01Overview

At a glance

Built
Not yet verified
Years
1970
Engine
V8, overhead valve · 7,440 cc / 7.4 LFactory: 454 cu in · converted
Power
336 kW / 456 PSFactory: 450 hp · converted
Top speed
Not yet verified
Body
Not yet verified
Designer
Not yet verified
In this archive
Not yet verified
Surviving
Not yet verified

Sources and any conflicting figures are in the sections below.

Why it matters

Not yet documented. Have a source? Contribute it.

How rare is it?

Six separate kinds of rarity – never combined into one number.

Model rarityNot yet assessed
Specification rarityNot yet assessed 4,475 · Built1 Production figure not yet verified.
Colour rarityNot yet assessed
Individual rarityNot yet assessed
Historical rarityNot yet assessed
Survival rarityNot yet assessed

Each kind of rarity is rated separately and never combined.

02Production & history

Production

Every figure says what it counts.

What is countedFigureBasisStatus
Body style productionAll Body Styles: LS6 engines within the 8,773 Z15 SS 454 Chevelles, 1970 4,4751 Factory production Independently researched

Independent counts (e.g. engine and colour) are never combined into a calculated figure. Surviving examples are never presented as original production.

History

Not yet documented. Have a source? Contribute it.

Variants

How each version differs from the standard Chevelle SS 454 LS6.

No variants documented yet. Have a source? Contribute it.

03Specifications

Technical specifications

Engine

Engine familyChevrolet Mark IV big-block V82 Independently researched
Engine codeRPO LS63 Independently researched
LayoutV8, overhead valve4 Independently researched
Displacement 7,440 cc / 7.4 LFactory: 454 cu in · converted4 Independently researched
BoreNot yet verified
StrokeNot yet verified
Compression ratio11.25:13 Independently researchedOne lot text (Fort Lauderdale 2016) misprints it as 11:25:1.
ValvetrainSolid-lifter camshaft, 3/8 in pushrods, dual valve springs3 Independently researched
Fuel systemHolley four-barrel carburetor on aluminum dual-plane intake3 Independently researched
Power 336 kW / 456 PSFactory: 450 hp · converted4 Independently researchedRM lot text says the engine was rumored to make about 500 hp and was rated at 450 for insurance reasons.
Power at 5,600 rpm4 Independently researched
Torque 678 NmFactory: 500 lb-ft · converted4 Independently researched
Torque at 3,600 rpm4 Independently researched

Transmission & drivetrain

GearboxM22 four-speed manual or M40 Turbo-Hydramatic 400 automatic (mandatory options)3 Independently researched
GearsNot yet verified
Driven wheelsNot yet verified

Chassis, body & dimensions

ChassisNot yet verified
Front suspensionIndependent, A-arms and coil springs4 Independently researched
Rear suspensionLive axle with trailing arms and coil springs4 Independently researched
BrakesNot yet verified
SteeringNot yet verified
Body constructionNot yet verified
Wheelbase 2,840 mmFactory: 112 in · converted4 Independently researched
LengthNot yet verified
WidthNot yet verified
HeightNot yet verified
Front trackNot yet verified
Rear trackNot yet verified
Kerb weightNot yet verified
Dry weightNot yet verified

Performance

Maximum speedNot yet verified
0–100 km/hNot yet verified
Fuel tankNot yet verified

“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.

04Colours & options

Factory colours & interiors

Original paint and trim, with the number of cars in each where a source gives it.

Not yet documented. Have a source? Contribute it.

Factory options & codes

Codes are shown exactly as written by the manufacturer.

Not yet documented. Have a source? Contribute it.

05Individual cars

Chassis register

Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.

Not yet documented. Have a source? Contribute it.

Competition history

Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

Auction & sale history

Documented public sales of the individual cars. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

See one in person

Museums where an example of this car can be seen.

No example is documented on public display yet. Have a source? Contribute it.

06Reference

Identification guide

How to tell an original from a replica or later conversion.

Not yet documented. Have a source? Contribute it.

Sources

Each number links to the exact facts it supports.

  1. 1
    Chevellestuff.net – 1970 Chevelle production numbers by series/model Level B
    • 4475 LS6 engines within the 8,773 Z15 SS 454 Chevelles, 1970
    Accessed 2026-11-12
  2. 2
    1970 Chevrolet Chevelle SS 454 LS6, Fort Lauderdale 2016, Lot 553 Level C RM Sotheby's
    • Chevrolet big-block was enlarged to a massive 454 cubic inches
    Accessed 2026-11-12
  3. 3
    1970 Chevrolet Chevelle SS LS6, Open Roads August 2021, Lot 221 Level C RM Sotheby's
    • LS6 Turbo-Jet 454 V-8 option
    • 11.25:1 compression ratio
    • Heavy-duty 3/8-inch pushrods ... 16 sets of beefy dual valve springs
    • Holley four-barrel carburetor on an aluminum dual-plane intake
    • Mandatory options included the M22 Muncie four-speed manual or M40 TH400
    Accessed 2026-11-12
  4. 4
    1970 Chevrolet Chevelle SS 454 LS6 Convertible, Arizona 2015, Lot 168 Level C RM Sotheby's
    • 454 cu. in. OHV LS6 V-8 engine
    • advertised 450 brake horsepower at 5,600 rpm
    • 450 brake horsepower at 5,600 rpm
    • 500 foot-pounds of torque at 3,600 rpm
    • independent front suspension with A-arms and coil springs
    • live rear axle with trailing arms and coil springs
    • Wheelbase: 112 in.
    Accessed 2026-11-12

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