Elite Dealer

1970 Chevrolet Chevelle

Addison, Illinois

$74,994

Vehicle Details

Make

Chevrolet

Model

Chevelle

Year

1970

VIN

136370RXXXX1970XX

Body Type

Other

Transmission

Manual

Engine

502

Description

1970 Chevrolet Chevelle 502 Big Block 4-Speed Vintage A/C MGM Classic Cars is proud to present this absolutely stunning 1970 Chevrolet Chevelle, finished in beautiful Red exterior paint with Black racing stripes. This Chevelle has the stance, sound, power, and classic muscle-car appearance everyone is looking for! The exterior presents extremely well with an SS cowl-induction hood, SS hood pins, and beautiful chrome, trim, glass, and weatherstripping throughout. The upgraded American Racing Torque Thrust wheels wrapped in Cooper Cobra Radial G/T tires give this Chevelle an aggressive stance that looks incredible from every angle.

Out back, the dual exhaust system gives this big-block Chevelle the deep, muscular sound it deserves! BLACK SS INTERIOR Open the door and you ll find a beautiful Black SS-style interior featuring bucket seats, SS center console, 4-speed Hurst shifter, SS floor mats, and an upgraded Flaming River tilt steering column. The carpet, door panels, dash pad, rear package tray, and headliner are all in great condition, and the seatbelts remain intact. The interior is clean, comfortable, and complements the exterior perfectly. 502 BIG BLOCK 500+ HORSEPOWER! Under the hood is where this Chevelle really comes alive.

Power comes from a massive 502 cubic-inch Big Block V8 producing over 500 horsepower, built to run on readily available pump gas. Performance equipment includes: Aluminum cylinder heads Edelbrock aluminum intake 850 CFM carburetor Chrome valve covers Upgraded aluminum radiator Large electric cooling fan Power steering Quick-ratio steering box Front power disc brakes Vintage Air air conditioning Chrome A/C compressor Chrome alternator This 502 has tremendous power while remaining a street-friendly combination that s ready to cruise! Backing up the big block is a 4-speed manual transmission with a new clutch assembly, sending power to a stout 12-bolt rear end. The suspension features F41 Super Sport-style equipment, including boxed rear control arms and heavy-duty components.

Combined with the upgraded quick-ratio steering box and Flaming River tilt steering column, this Chevelle has been built to deliver the classic muscle-car experience with several desirable modern upgrades. The trunk and undercarriage are also in very good condition, completing an impressive overall package. If you re looking for a 1970 Chevelle with big-block 502 power, a 4-speed manual transmission, Vintage A/C, great looks, and an incredible exhaust note, this one deserves your attention.

This thing is ready to ROCK N ROLL! Call MGM Classic Cars today for the best financing options and nationwide delivery right to your driveway. BUY WITH CONFIDENCE! MGM Classic Cars proudly maintains 100% positive feedback on eBay and has earned 500+ five-star Google reviews from happy customers across the country and around the world. MGM Classic Cars Driven by Passion.

Classic Chevrolet Chevelle Buyer's Guide

Full guide

Mike Sullivan

Muscle Cars

1964–1977

~5 min read

Updated Apr 2026

Definitive buyer's guide for classic Chevrolet Chevelle 1964-1977. SS variants, COPO and LS6 authentication, A-body frame inspection, engine code verification, current market pricing.

This guide covers

✓ 10-point inspection checklist

✓ Common issues & what to avoid

✓ In-person inspection guide

✓ Market pricing by year & condition

✓ 5 FAQs answered

✓ History & fun facts

Read the Full Chevelle Buyer's Guide

Chevrolet Chevelle Market Overview

Based on 232 Chevrolet Chevelle listings currently on ClassicCarsArena.com

232

Listed Now

$60,492

Avg. Asking Price

1964–1977

Year Range

Price Position on Our Site — Above Average

This car: $74,994

Low: $4,000 High: $359,970

Transmission Distribution

Automatic 61%

Manual 28% ◄

Condition Distribution

Excellent 11%

Good 3%

Fair 0%

Project 0%

Data from ClassicCarsArena.com listings Browse all 232 listings →

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Classic Chevrolet Chevelle Buyer's Guide

The Chevrolet Chevelle launched in 1964 as Chevrolet's mid-size A-body entry, and within two years it had become the foundation of one of the most successful muscle-car lineages in American automotive history. The 1970 LS6 SS454 Chevelle remains the high-water mark of factory muscle-car horsepower from the entire era — a rating of 450 horsepower from a stock 454 that put GM's Chevelle definitively at the top of the 1970 muscle-car hierarchy. Across fourteen model years (1964-1977), the Chevelle market is one of the deepest and most active segments in the entire American collector hobby — with documented original SS454 cars commanding six-figure money and clean driver-quality cars remaining attainable. This guide covers what every buyer should verify before paying premium money for any Chevelle SS variant.

What to Check Before Buying

✓

Order PHS Documentation Report ($50-$80) — Pontiac Historic Services maintains Chevy A-body records too. Confirms original engine, trans, axle, options.

✓

Verify SS option code on cowl tag — 1964-1969: RPO code in cowl tag. 1970-1972: SS is stand-alone model — verify VIN body code.

✓

Read engine stamp code (front pad below head) — KL/KK = 1969 SS396/375. CRV/CRW = 1970 LS6 SS454/450. CSU = 1970-1971 LS5 SS454/360.

✓

Cross-reference engine casting number — Casting on back of block. 396 (3855961, 3902406), 402 (3963512), 454 (3963512, 3999289).

✓

For LS6/Z16 claims, demand specialist authentication — Re-stamped blocks and cloned cowl tags are well-documented forgeries. $200-$500 specialist inspection mandatory.

✓

Inspect perimeter frame at body mount points — Body mount bushings collapse and water pools above. Frame rust here = $1,500-$3,500 repair minimum.

✓

Probe frame at front kick-up — Behind front wheels. Solid steel resists; rotten metal flakes.

✓

Check trunk drop-offs and rear quarters — Magnet test for filler. Lift trunk mat to inspect drop-offs and rear pan.

✓

Verify 12-bolt rear end (SS cars) — SS Chevelles use 12-bolt; base cars use 10-bolt. Check casting and verify gear ratio against PHS report.

✓

Compression test all eight cylinders — Should read 145-185 PSI uniformly. Variance >15% = head gasket or worn rings.

Common Issues

Chevelle rust follows the GM A-body pattern: lower rear quarters, trunk drop-offs, frame rails (especially under the rear seat where the body mounts to the frame), floor pans, cowl seam, lower fenders ahead of the doors, and rear window channels on coupes. The 1964-1967 cars use a perimeter frame; the 1968-1972 cars use the same basic perimeter frame with revisions. Both rust at the body mount points and at the rear frame kick-up where the body mount bushings collapse and water pools. Mechanically, the small-block 327 (1964-1968), 350 (1969-1977), and the big-block 396 (1965-1969), 402 (1970-1972), and 454 (1970-1973) V8s are all bulletproof when maintained. Common issues include worn timing chain on tired engines, leaky oil pan and valve cover gaskets, broken motor mounts (a Big Block specialty), and tired Quadrajet or Holley carburetors. The Muncie M20/M21/M22 four-speeds are robust; the Powerglide, Turbo 350, and Turbo 400 automatics are equally durable. The Chevelle's 12-bolt rear end (Chevelle SS-specific) is strong; the 10-bolt (base cars) is weaker but still durable. Differential whine on deceleration indicates worn pinion bearings — $1,500-$2,800 to repair properly. Electrical issues are universal classic-car concerns: brittle 50+ year-old wiring, failed voltage regulators, worn ignition switches, and failed cowl tag retainer rivets. Many cars have been restored with reproduction wiring; verify the harness routing and connector quality before purchase.

What to Look For

PHS Documentation is the gold-standard verification for any Chevelle SS claim. PHS (Pontiac Historic Services) is misnamed — they actually maintain documentation for Chevrolet, Pontiac, Buick, and Oldsmobile A-body cars. The PHS Documentation Report ($50-$80) confirms the original equipment of the car: engine code, transmission code, axle ratio, paint code, options, and dealer destination. For any Chevelle SS priced over $45,000, PHS documentation is mandatory. For 1964-1969 cars, verify the SS option code on the cowl tag. The 1965-1969 SS cars used specific RPO codes (Z16 for the 1965 SS396, L78 for the 1966-1969 396/375 hp). For 1970-1972 cars, the SS package was an actual model designation — the second character of the VIN identifies the body style and the engine code is in the fifth digit. Engine verification by casting numbers and stamping is essential. The 396 (casting 3855961, 3902406, others), 402 (casting 3963512), and 454 (casting 3963512, 3999289) big-blocks all have specific casting numbers that verify originality. The two-letter stamp code on the front of the block (just below the cylinder head, on a flat pad) identifies the specific engine type. The most desirable codes are KL/KK (1969 SS396/375 hp), CRV/CRW (1970 LS6 SS454/450 hp), and CSU (1970-1971 LS5 SS454/360 hp). Frame inspection is the second non-negotiable. Crawl under the car with a flashlight. Probe the perimeter frame at the rear body mount points and at the front kick-up. Body mount bushings collapse over 50+ years and water pools above them, rotting the frame from inside the boxed sections. Replacement is $2,000-$5,000 per side if needed. For LS6 SS454 claims (1970 only), demand specialist authentication. The genuine LS6 has the CRV (manual transmission) or CRW (automatic transmission) engine stamping, the COPO-route documentation, and specific build sheet entries. Forgeries exist with re-stamped blocks and cloned cowl tags.

Price Guide

Base Chevelles (1964-1977) remain the bargain entry into A-body ownership. Driver-quality 1964-1967 base cars run $22,000-$40,000. 1968-1972 base cars (the most popular era for cosmetic restomod builds) run $25,000-$45,000. 1973-1977 Colonnade-body Chevelles are dramatically cheaper — $15,000-$28,000 for solid drivers. SS Chevelle pricing varies dramatically by year and engine. 1965 SS396 Z16 (the rare launch-year SS396, only 200 built): $95,000-$220,000+ for documented examples. 1966-1967 SS396 cars: driver-quality $45,000-$75,000, documented L78 SS396/375 hp $80,000-$140,000. 1968-1969 SS396: driver-quality $50,000-$85,000, documented L78 cars $95,000-$160,000. 1970 SS454 cars are the high-water mark. LS5 SS454/360 hp: driver-quality $70,000-$120,000. LS6 SS454/450 hp: $120,000-$280,000+ for documented numbers-matching cars. The 1970 LS6 SS454 convertible (rarer than the hardtop) is $220,000-$450,000+ for documented examples. 1971-1972 SS454 cars have appreciated dramatically since 2018. Driver-quality 1971 SS454/365 hp: $55,000-$95,000. Documented 1972 SS454 cars: $60,000-$120,000. The 1971-1972 cars represent the smart-money entry into SS454 ownership. Project cars (running but rough) start around $15,000-$28,000 for base Chevelles and $30,000-$60,000 for SS variants. Stripped roller candidates: $8,000-$18,000 for base cars, $20,000-$40,000 for SS variants.

Did You Know?

The 1965 Z16 SS396 was Chevrolet's launch of the 396 cubic inch big-block in the Chevelle, and only 200 cars were built — making them among the rarest production muscle cars ever produced. The Z16 package included the 375-horsepower L37 396 V8, four-speed manual transmission, heavy-duty suspension, special wheels, and unique trim. Documented Z16 cars now command $95,000-$220,000+ depending on condition, and require specialist authentication through the National Z16 Registry. The 1970 LS6 SS454 was the high-water mark of factory muscle-car horsepower from the entire era. The LS6's 450-horsepower rating (gross horsepower) was the highest factory rating Chevrolet ever applied to a passenger-car engine through that point in history. Only 4,475 LS6 cars were built across 1970 production (hardtops, convertibles, and El Caminos combined). Documented numbers-matching LS6 cars now trade for $120,000-$450,000+ depending on body style and equipment. The Chevelle was discontinued after the 1977 model year, replaced by the Malibu nameplate that had originally been a Chevelle trim level. Total Chevelle production across 14 model years exceeded 5.7 million units, making it among the most successful mid-size GM nameplates of the era.

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Elite Dealer

$74,994

1970 Chevrolet Chevelle

Addison, Illinois

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Original Factory Colors

Official paint codes for the Chevrolet Chevelle (1970).

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Model History