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Muscle car

1970 Mercury Cyclone Spoiler 429 SCJ

Muscle car powered by 429 Super Cobra Jet V-8.

1970 Mercury Cyclone Spoiler 429 production visual context; correct Spoiler/429 context, not individual SCJ paperwork proof.
Build pathway Factory Mercury Cyclone Spoiler with 429 Cobra Jet Ram Air foundation and optional Super Cobra Jet / Drag Pack path
Engine family 429-cubic-inch Ford 385-series Cobra Jet / Super Cobra Jet V-8
Reported production 1,631 total 1970 Cyclone Spoilers; 341 SCJ/Drag Pack examples reported by checked references
Proof boundary SCJ, Drag Pack, and Super Drag Pack claims need engine, oil-cooler, axle, transmission, Marti/report, and build-sheet evidence

Story

1970 Mercury Cyclone Spoiler 429 SCJ

The 1970 Mercury Cyclone Spoiler 429 SCJ is the sharpest edge of Mercury's intermediate muscle line: a production Cyclone Spoiler with the 429 Cobra Jet Ram Air foundation and the Super Cobra Jet / Drag Pack path decoded from real paperwork and hardware. The public record needs to keep CJ, SCJ, Drag Pack, and Super Drag Pack claims separate because each changes the engine, axle, and authenticity story.

Checked references support 1,631 total 1970 Cyclone Spoilers and a reported 341-car Super Cobra Jet / Drag Pack subset. The Spoiler package brought the functional integrated hood scoop, front and rear spoilers, racing stripes, 140-mph speedometer, four-gauge suite with tachometer, vinyl bucket seats, dual racing mirrors, and competition suspension. SCJ/Drag Pack records add the 429 SCJ engine, oil cooler, 3.91 gearing, and Super Drag Pack 4.30 Detroit No-Spin boundary.

Authenticity review should start with the VIN, data plate, Marti report, build sheet, invoice, engine code, Drag Pack/Super Drag Pack evidence, axle tag, oil cooler, carburetor, transmission, paint, stripe, and Spoiler trim. The gallery uses an exact 1970 Cyclone Spoiler 429 Commons photo as the primary visual and labels prototype/Spoiler II imagery only as history context so production-car media stays honest.

1970 Mercury Cyclone GT same-year body/platform context; not Spoiler package or SCJ proof.Sicnag via Wikimedia Commons · CC BY 2.0

Price history

Values

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

Original Price

A verified original price is not yet available for this car.

Market Observations

  • Price guide value $23,700

    Jul 28, 2026 · Hagerty Price Guide · Current guide point

    Hagerty #3 Good value for the 1970 Mercury Cyclone two-door hardtop with the 429cid/375hp four-barrel Super Cobra Jet configuration. · unknown · good A dated SCJ engine/body benchmark, not a completed sale or individual-car appraisal. Hagerty's selector does not independently identify the Spoiler trim, so it is retained as broader configuration context rather than an exact Spoiler comp.
  • Auction sale $180,400

    Oct 18, 2025 · Barrett-Jackson

    One-owner C-code Cyclone Spoiler 0H17C598184 with matching 429 SCJ, close-ratio four-speed, 4.30 locking Super Drag Pak, 4,459 reported miles, and extensive factory documentation. · modified · unknown Hagerty records the $180,400 completed sale and classifies the car as modified. Barrett-Jackson documents period carburetor, intake, wheel, gauge, and stereo changes plus a 1971 exterior refinish; the original carburetor remains, while the original wheels and intake were not included.
  • Auction sale $50,600

    Aug 23, 2025 · Owls Head Transportation Museum

    C-code Cyclone Spoiler 0H17C548877 represented with a 429 SCJ, automatic, 3.91 Drag Pack, Marti Report, factory oil cooler, and correct SCJ intake. · unknown · unknown Proxibid reports a $46,000 onsite hammer result; the museum's official sale-results sheet reports the $50,600 final price including buyer fee. No reliable restoration-state claim was found.
  • Auction sale $15,400

    Mar 25, 2021 · RM Sotheby's

    C-code Cyclone Spoiler 0H17C522473 represented with a 429, four-speed, and Drag Pack, stored for 30 years as an unrestored barn-find project. · original unrestored · project Hagerty records the completed sale and Rick Carey reports the $14,000 hammer plus 10 percent commission, for a $15,400 final price. The factory Drag Pack establishes the SCJ package path, but the report does not establish that the present engine is original or even an SCJ assembly.
  • Auction sale $88,000

    Jan 19, 2019 · Barrett-Jackson

    C-code Cyclone Spoiler 0H17C557363 with a 429 Super Cobra Jet, four-speed, 3.90 Traction-Lok, and explicit Drag Pack equipment. · restored · excellent Classic.com records the $88,000 completed sale. Rick Carey's independent report identifies an older restoration in 2- condition.
  • Auction sale $38,500

    Sep 2, 2018 · RM Sotheby's

    C-code Cyclone Spoiler 0H17C528234 with an explicitly documented 429 Super Cobra Jet, factory Drag Pack, four-speed, two-owner history, and original sheetmetal. · restored · excellent RM Sotheby's records the $38,500 completed sale. Rick Carey's independent inspection identifies an older restoration in 2- condition and confirms the SCJ/Drag Pack equipment.

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.

Transmission

  • Factory transmission Ford C6 automatic
  • Factory transmission Ford Toploader 4-speed manual

Options

1970 Cyclone Spoiler 429 SCJ engine reference.Classic Muscle · Reference illustration

Appearance

Chassis

Authenticity

1970 Cyclone Spoiler chassis reference.Classic Muscle · Reference illustration
  • Engine and VIN identity 429 CJ Ram Air or 429 SCJ identity matching VIN/data plate/Marti/build-sheet evidence · VIN, data plate, Marti report, build sheet, invoice, engine tags and casting dates · fraud detection
  • SCJ / Drag Pack hardware SCJ claim should include Drag Pack evidence such as oil cooler and correct axle package · Oil cooler, axle tag, engine internals, Marti report, build sheet, invoice · numbers matching
  • Super Drag Pack axle 4.30 gear and Detroit No-Spin locker context when Super Drag Pack is claimed · Axle tag, differential, Marti report, build sheet, invoice · numbers matching
  • Spoiler package trim Integrated scoop, spoilers, stripes, gauge package, bucket seats, mirrors, and competition suspension should decode as Spoiler equipment · Marti report, build sheet, body evidence, original photos, trim records · trim correctness
  • Production-car versus prototype context Production Spoiler 429 evidence must not be confused with Spoiler II prototype/aero imagery · Body shape, front end, documentation, prototype provenance, photo captions · fraud detection

Still Researching

  • brakes Checked sources support package identity better than exact brake hardware.
  • suspension Competition suspension is known but exact component part numbers are not normalized.

Codes & names

Names & Engine Codes

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

1970 Cyclone Spoiler paint reference.Classic Muscle · Reference illustration
429 Cobra Jet 429 Super Cobra Jet V-8
429 CJ 429 Super Cobra Jet V-8
Ford 429 Cobra Jet 429 Super Cobra Jet V-8
429 CJ-R 429 Super Cobra Jet V-8
429 Cobra Jet Ram Air 429 Super Cobra Jet V-8
429 Super Cobra Jet 429 Super Cobra Jet V-8
429 SCJ 429 Super Cobra Jet V-8
Super Cobra Jet 429 429 Super Cobra Jet V-8
429 Cobra Jet with Drag Pack 429 Super Cobra Jet V-8
429 SCJ Drag Pack 429 Super Cobra Jet V-8

Photo and video gallery

Gallery

8 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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