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Performance utility

1970 Chevrolet El Camino SS 454 LS6

Performance utility powered by Chevrolet LS6 454-cid Turbo-Jet V8.

1970 Chevrolet El Camino SS396 photographed by Sicnag; exact-year El Camino SS body and trim context, not individual LS6 proof.
Factory pathway Factory Chevrolet El Camino SS454 pathway with LS6 evidence handled through paperwork-first checks
Engine 454 cid LS6 Turbo-Jet big-block V8
Factory rating 450 hp and 500 lb-ft in Chevrolet LS6 references
Transmissions M22 four-speed manual or heavy-duty M40 Turbo Hydra-Matic 400 automatic context
Known caveat LS6 El Camino production totals are not treated as known from the checked sources

Story

Evidence summary

This page treats the 1970 Chevrolet El Camino SS 454 LS6 as a factory Chevrolet A-body coupe-utility configuration, not a dealer conversion or special edition. The important public distinction is body and proof: an El Camino can share the Chevelle SS454/LS6 option story, but a restored El Camino with SS trim, stripes, cowl hood, or an LS6-style engine bay still needs paperwork and drivetrain numbers before it can be treated as an individual factory LS6 car.

The strongest evidence path is the same Chevrolet SS454 option structure used on the Chevelle passenger-car page. Chevrolet/Chevelle option references record the Z15 SS454 pathway, the LS6 454-cubic-inch Turbo-Jet V8 at 450 horsepower and 500 lb-ft, the M22 four-speed or heavy-duty M40 Turbo Hydra-Matic paths, 12-bolt rear axle context, and optional ZL2 cowl-induction and D88 stripe equipment. The El Camino brochure and Commons media establish the 1970 El Camino body and trim context; auction/profile evidence supports that documented LS6 El Caminos exist, but this page does not infer a known production total for LS6 El Caminos.

The gallery is intentionally conservative. Exact-year El Camino and El Camino SS photos are used for body, bed, grille, and trim context. Source-card media carries the LS6, option-package, production, and authenticity boundaries. No photo caption, hood, stripe, badge, or restored component image is used as standalone proof of an original LS6 El Camino.

1970 Chevrolet El Camino rear/body view; body and cargo-bed context only.Bull-Doser via Wikimedia Commons · Public domain

Price history

Values

Nominal dollars from original price sheets, auction archives, and approved value references.

Original Price

Market Observations

  • Auction sale $275,000

    Jan 27, 2023 · Barrett-Jackson Scottsdale

    Blue 1970 Chevrolet El Camino SS LS6 136800K177511 with manual transmission. · survivor · unknown CLASSIC.COM records the $275,000 completed sale, Original & Highly Original classification, manual drivetrain, and true-mileage-unknown status.
  • High bid $182,500

    Aug 26, 2022 · Bring a Trailer

    Fathom Blue 1970 Chevrolet El Camino LS6 136800K210296 with build sheet, M22 four-speed, and 12-bolt limited-slip rear. · restored · unknown The $182,500 high bid did not meet reserve. Bring a Trailer documents the 2020 refurbishment, rebuilt engine and transmission, reset odometer, and unknown total mileage.
  • Auction sale $115,500

    Oct 12, 2019 · Mecum Las Vegas

    Triple-black 1970 Chevrolet El Camino SS 454 LS6 136800B131181 with M22 four-speed, 4.10 Positraction, and Protect-O-Plate. · restored · excellent Hagerty records the $115,500 completed sale, represented 15,357-mile reading, restored engine bay, and #2 Excellent condition assessment.
  • Auction sale $110,000

    Jan 30, 2016 · Barrett-Jackson Scottsdale

    1970 Chevrolet El Camino LS6 Pickup 136800K204419. · unknown · unknown CLASSIC.COM records the $110,000 completed sale and LS6 taxonomy. The source reports true mileage unknown and supplies no transmission or originality classification.
  • Auction sale $121,900

    May 1, 2013 · Sports Car Market profile / collector-car auction report

    1970 Chevrolet El Camino SS 454 LS6 · restored · excellent Profile reports sale of a restored LS6 El Camino with original partial build sheet.

Values move with paperwork, originality, options, condition, venue, and body style. High bids and guide values are labeled separately from completed sales.

Reference records

Options, Colors & Components

Source-backed details for trim, chassis, production, and authenticity.

Engine Details

  • CRR 1970 454-4 450-hp LS6 with TH-400 · 1970 Chevelle A-body LS6 automatic-transmission application; El Camino use still requires car-specific paperwork/inspection · engine assembly / assembly code
  • CRV 1970 454-4 450-hp LS6 with manual M22 · 1970 Chevelle A-body LS6 M22 manual-transmission application; El Camino use still requires car-specific paperwork/inspection · engine assembly / assembly code
  • Engine block casting number 3963512 · 1970 Chevelle LS6 454-cid 450-hp application · block / casting number
  • Bore 4.21 in · 1970 Chevelle LS6 454-cid 450-hp engine specification · engine assembly / specification
  • Stroke 4.00 in · 1970 Chevelle LS6 454-cid 450-hp engine specification · engine assembly / specification
  • Cast-iron cylinder head casting number 3964291 · 1970 Chevelle LS6 454-cid 450-hp closed-chamber square-port cast-iron head application · cylinder head / casting number
  • Intake valve size 2.19 in · 1970 Chevelle LS6 454-cid 450-hp cylinder-head specification · valve train / specification
  • Exhaust valve size 1.88 in · 1970 Chevelle LS6 454-cid 450-hp cylinder-head specification · valve train / specification
  • Combustion chamber volume 109.037 cc · 1970 Chevelle LS6 454-cid 450-hp cylinder-head specification · cylinder head / specification
  • Compression ratio 11.25:1 · 1970 Chevelle LS6 454-cid 450-hp engine specification · engine assembly / specification
  • Holley List 4557 / GM 3967477-GG List 4557; GM 3967477-GG · 1970 special high-performance 396/454 manual transmission without E.E.C.; LS6 Registry lists as 454 federal without E.E.C. M/T · carburetor / carburetor list
  • Holley List 4491 / GM 3967479-GM List 4491; GM 3967479-GM · 1970 special high-performance 396/454 manual transmission with E.E.C.; LS6 Registry lists as 454 California E.E.C. M/T · carburetor / carburetor list
  • Holley List 4556 / GM 3969894-GP List 4556; GM 3969894-GP · 1970 special high-performance 396/454 automatic transmission with E.E.C.; LS6 Registry lists as 454 California E.E.C. A/T · carburetor / carburetor list
  • Holley List 4492 / GM 3969898-GR List 4492; GM 3969898-GR · 1970 special high-performance 396/454 automatic transmission without E.E.C.; LS6 Registry lists as 454 federal without E.E.C. A/T · carburetor / carburetor list
  • Aluminum low-rise intake manifold casting number 3963569 · 1970 Chevelle LS6 454-cid 450-hp application · intake manifold / casting number
  • Right-hand exhaust manifold casting number 3916178 · 1970 Chevelle LS6 454-cid 450-hp application · exhaust manifold / casting number
  • Left-hand exhaust manifold casting number 3909879 · 1970 Chevelle LS6 454-cid 450-hp application · exhaust manifold / casting number
  • Distributor stamped number 1111437 · 1970 Chevelle LS6 454-cid 450-hp application · distributor / stamp
  • Mechanical-lifter camshaft casting number 3904366 · 1970 Chevelle LS6 454-cid 450-hp application; same camshaft also reported for 402/375-hp engine · camshaft / casting number
  • Mechanical-lifter camshaft part number 3904362 · 1970 Chevelle LS6 454-cid 450-hp application; same camshaft also reported for 402/375-hp engine · camshaft / part number
  • Valve lift 0.520 in intake and exhaust · 1970 Chevelle LS6 454-cid 450-hp mechanical-lifter camshaft specification · camshaft / specification
  • Duration 316 degrees intake; 316 degrees exhaust · 1970 Chevelle LS6 454-cid 450-hp mechanical-lifter camshaft specification · camshaft / specification

Transmission

  • Factory transmission M22 Muncie 4-speed manual
  • Factory transmission Heavy-duty M40 Turbo Hydra-Matic 400 3-speed automatic

Options

Source-backed identity boundary for the 1970 El Camino SS 454 LS6 page.Classic Muscle · Reference illustration
  • Z15 SS 454 optional · performance · Factory SS454 package path; LS6/450hp was the high-performance 454 engine option within the SS454 context.
  • LS6 454-cubic-inch Turbo-Jet V8, 450 hp optional · performance · High-performance 454 option recorded separately from base LS5 SS454 equipment.
  • ZL2 Special Ducted Hood Air System optional · appearance · SS-only cowl-induction hood option; not treated as required proof of every LS6 car.
  • D88 Sport Stripes optional · appearance · Sport stripe option; stripe presence or absence needs car-specific paperwork before being treated as original.
  • U14 Special Instrumentation / Instrument Panel Gauges optional · interior · Round-pod dash presentation helps describe SS interiors but is not standalone proof of SS454 identity.
  • A51 Bucket seats optional · interior · Bucket seats were optional; bench-seat SS454 cars remain possible.
  • D55 Front compartment console optional · interior · Console availability is recorded as an interior option rather than assumed standard equipment.

Paint

1970 Chevrolet El Camino SS396 side profile; useful for roofline, bed, side trim, and stance context.Sicnag via Wikimedia Commons · CC BY 2.0

Appearance

Local crop for front trim, hood, grille, and SS-context details; not LS6 proof.Derivative crop from Sicnag via Wikimedia Commons · CC BY 2.0

Chassis

Production

Source-backed engine boundary for the 1970 El Camino SS 454 LS6 page.Classic Muscle · Reference illustration

Authenticity

Source-backed package boundary for the 1970 El Camino SS 454 LS6 page.Classic Muscle · Reference illustration
  • El Camino LS6 documentation Build sheet, window sticker/order paperwork, warranty card/Protect-O-Plate, or equivalent paperwork showing El Camino body, SS454/Z15 context, and LS6 engine evidence · Vehicle paperwork, dealer/warranty documents, and build sheet locations · fraud detection
  • Engine stamp and partial VIN Factory-stamped LS6 suffix/date evidence and partial VIN that matches the El Camino VIN · Engine pad/stamp location and vehicle VIN comparison · numbers matching
  • Body/trim context El Camino body and SS trim are context; they do not prove LS6 engine installation by themselves · Body, grille, hood, bed, cowl tag, trim tag, and paperwork comparison · fraud detection

Still Researching

  • production No checked source provided a factory or registry-backed total for 1970 El Camino LS6 production alone.
  • engine Model-level 1970 Chevelle A-body LS6 engine suffixes, block/head/intake/exhaust/distributor/camshaft identifiers, Holley carburetor list numbers, and core bore/stroke/valvetrain specifications were normalized; car-specific date-code sequencing, partial VIN match, and inspection evidence remain unresolved for any individual El Camino.
  • rear axle A ChevelleStuff 1970 rear-axle application table was normalized for LS6/454 12-bolt 3.31:1, 3.31:1 Positraction, and 4.10:1 heavy-duty rows; transmission-specific LS6 El Camino defaults and individual-car axle proof remain unresolved.
  • paint colors Model-year Chevelle/El Camino paint codes are available, but LS6 El Camino color availability and color-by-body totals are not known from the checked sources.

Codes & names

Names & Engine Codes

Common names and codes are grouped so LS6 references point to the same engine, not separate pages.

Source-backed authenticity boundary for the 1970 El Camino SS 454 LS6 page.Classic Muscle · Reference illustration
LS6/450hp Chevrolet LS6 454-cid Turbo-Jet V8
LS6 454 Chevrolet LS6 454-cid Turbo-Jet V8
Turbo-Jet 454 Chevrolet LS6 454-cid Turbo-Jet V8
Chevrolet 454ci LS6 Chevrolet LS6 454-cid Turbo-Jet V8
RPO LS6 Chevrolet LS6 454-cid Turbo-Jet V8

Photo and video gallery

Gallery

4 photos and videos

Sources & Documentation

Reader contributions

Improve the record

Send a correction, source, or photo lead. Updates are checked before they appear on the car page.

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