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1966–1972 Chevrolet Chevelle SS 396

Chevrolet's mid-size bruiser combined clean styling with devastating big-block power. The L78 396 and LS6 454 versions are among the most sought-after muscle cars ever built.

1966–1972 Chevrolet Chevelle SS 396 — Full Specifications

  • Engine: 396ci / 402ci / 454ci Big-Block V8
  • Power: 325–450 bhp
  • Torque: 410–500 lb-ft
  • Transmission: Muncie M20/M21/M22 4-speed manual or Turbo Hydra-Matic 400 automatic
  • Drivetrain: Front engine, rear-wheel drive
  • Body style: 2-door hardtop sport coupe, 2-door convertible
  • Wheelbase: 112 inches
  • Curb weight: 3,500–3,800 lbs
  • 0–60 mph: 5.4–7.5 sec
  • Quarter mile: 12.0–15.0 sec (LS6 454 ran 13.1 @ 107 mph as tested by magazines)
  • Original MSRP: $2,776 (1966 SS 396 base); $3,540 (1970 LS6 454)
  • Current value: $45,000–$80,000 (SS 396); $100,000–$200,000+ (LS6 454, L78 396)

Production Notes

Only 4,475 LS6 454 Chevelles were built in 1970, making it one of the rarest and most valuable muscle cars. The L78 396 was rated at 375 hp but widely believed to produce 425+ hp.

Notable Factory Options

  • L78 375hp solid-lifter 396
  • LS6 454/450hp
  • M22 Rock Crusher trans
  • Cowl induction hood
  • F41 suspension
  • Positraction

Buying Guide

The Chevelle SS is a solid investment with strong market demand. The 1970 SS 454 is the most desirable year—particularly the LS6, which is a six-figure car in any condition. 1966–67 SS 396 cars offer the best value for buyers who want an authentic big-block muscle car experience without the stratospheric prices. The L78 375hp 396 (solid lifter) is the true hot rod option and commands strong premiums. 1971–72 SS cars are undervalued relative to 1970 models and offer excellent driver-quality value. Verify the trim tag and VIN against the engine for authenticity—SS tribute/clone cars are very common. A Protect-O-Plate is the holy grail of Chevelle documentation.

Pros

  • One of the most recognized and respected muscle cars
  • Excellent parts availability for restoration
  • Big-block V8 torque provides a visceral driving experience
  • Strong appreciation potential, especially for LS6 and L78 models
  • Active community and extensive documentation resources

Cons

  • SS clones and tributes are extremely common—verify everything
  • Big-block cars are thirsty (8–12 mpg) and heavy
  • A-body rust in floors, trunk, and quarters is common
  • LS6 and L78 cars have priced out of reach for average buyers
  • Original documentation can be difficult to locate

Restoration Tips

Protect tag and trim tag documentation. Check for frame rust. Big-block cars need heavy-duty cooling upgrades. Cowl induction hoods are frequently reproduced. CRG (Chevelle Research Group) is invaluable for documentation.