1970 Chevrolet Chevelle SS

Comments: 1970 saw the introduction of the most powerful Chevelle SS of all time. Responding to the lifting of GM’s ban on engines larger than 400 cid in midsize cars, Chevrolet responded by dropping in a new 454 cubic engine into its Chevelle SS. The entry level 454 was known as the LS5 and packed 360bhp. The top engine choice was the LS6 version with 450bhp. The LS6 had a 800-cfm Holley four barrel on an aluminum manifold, 11.25:1 compression, solid lifters, four-bolt mains, forged steel crank and connecting rods, forged aluminum pistons, and deep-groove accessory pullies. No production engine ever had a higher factory horsepower rating. The standard Chevelle SS 396 continued with its 402 cid engines, although the 325bhp was dropped and the 350bhp version was now standard. Optional on both the 396 and 454 was a new cowl-induction hood, which had a rear facing flapper near the base of the windshield to feed air into the engine. The styling was new with a “vee” front end, functional hood pins, and five-spoke Rallye wheels. This was truly the pinnacle of the Chevelle SS performance.

Production: 53,599
Engines: L34 402 V8 350bhp@5200rpm, 415lb-ft@3400.
LS4 402 V8 375bhp@5600rpm, 415lb-ft@3600rpm.
LS5 454 V8 360bhp@5400rpm, 500lb-ft@3200rpm.
LS6 454 V8 450bhp@5600rpm, 500lb-ft@3600rpm.
Performance: LS6 454/450: 0-60 in 6.1 sec, 1/4 mile in 13.7 sec @ 103mph.

1970 Serial Numbers
Description: (example - 136370B100001)
13637 Model number (13637 - 2dr coupe / 13667 - 2dr convertible)
0 Last digitof model year (1970)
B Assembly plant (A-Atlanta, B-Baltimore, F-Flint, K-Leeds City, L-Van Nuys. R-Arlington, I-Oshawa)
100001 Consecutive sequence number
Location:
The serial number is located on a plate attached to drivers side dash, visible through windshield

1970 Option list

Option number

Description

Quantity

Price

13637 2 dr sport coupe $2,719.00
13667 2 dr convertible $2,972.00
AK1 Deluxe seatbelts & front shoulder harness 78,206 $12.15-$13.70
AQ2 Electric seatbelt lock release 662
AS4 Deluxe rear seat shoulder harness 273 $26.35
AU3 Electric door locks 5,482 $44.80-$68.50
A01 Soft Ray tinted glass (all windows) 416,493 $36.90
A02 Soft Ray tinted glass (windshield) 10,994 -
A31 Power windows 20,792 $105.35
A33 Power rear window (wagons) 17,621 $34.80
A39 Custom deluxe seatbelts 754 $9.00-$10.55
A41 4way electric control front bench seat 637
A46 4way electric control front bucket seat 546
A51 Strato-Bucket bucket seats 99,138 $121.15
A85 Custom deluxe shoulder belts 122 $26.35
A90 Electric control rear compartment lid release 987 $44.80-$68.50
B37 Floor mats 140,880 $11.60
B85 Belt reveal molding 906
B90 Door and window frame moldings (4dr) 5,203 $26.35
B93 Door edge guards 197,408 $4.25-$7.40
CD2 Windshield washer fluid level 40,630 -
CD3 Electro Tip windshield wiper 331 $19.00
C06 Power tops (convertibles) 6,626 $52.70
C08 Vinyl roof cover 287,052 $94.80
C50 Rear window defroster 39,953 $26.35-$36.90
C51 Rear window air deflector 7,713 $19.00
C60 Deluxe AC 303,326 $376.00
D33 Remote control outside mirror 68,830 $10.55
D34 Vanity Visor mirror 37,287 $3.20
D55 Front compartment console 90.436 $53.75
D88 Sport stripe 39,539 $68.50
F40 Special front & rear suspension 17,255 $16.90
F41 Special performance front & rear suspension 56,051 $29.50
G67 Rear shock absorber level control 3,929 -
G80 Positraction rear axle 64,169 $42.15
JL2 Front disc brakes 139,856 $64.25
J50 Power brakes 180,113 $42.15
K05 Engine block heater 6,068 $10.55
K30 Speed & Cruise Control 730 $57.95
K85 63 amp Delcotron generator 2,447 $26.35
LF6 400 ci 2 bbl V-8 engine 16,595 $50.00
LS3 400 ci V-8 engine 9,338 $162.20
LS6 454 ci Special Hi-Performance V-8 engine 4,475 $263.30
L48 350 ci V-8 engine 85,212 $68.50
L65 350 ci 2 bbl V-8 engine 112,686 $21.10
L78 396 ci Special Hi-Performance V-8 engine 2,144 210.65
L89 Aluminium cylinder heads 18 $394.95
M20 4 speed wide range transmission 28,131 $184.80
M21 4 speed close-ratio transmission 11,830 $184.80
M22 HD 4 speed close-ratio transmission 5,410 $221.80
M35 Powerglide transmission 106,849 $163.70-$174.25
M38 300 Deluxe 3 speed automatic transmission 368,871 $200.65
M40 3 speed automatic transmission 43,748 $221.80
NA9 EEC 65,214 $36.90
NK1 Cushioned-rim steering wheel 3,078 $34.80
N10 Dual exhaust 22,395 $30.55
N33 Tilt type steering wheel 37,760 $45.30
N40 Power steering 508,181 $105.35
PA3 Special wheel trim cover 56,588 -
PK2 G78-14-B GB white stripe tires 19,604 -
PL3 E78-14-B GB white stripe tires 9,234 $26.05-$50.25
PL4 F70-14-B GB white letter tires 64,758 $65.45
PM6 G78-14-D GB white stripe tires 4,763 -
PU8 G78-14-B GB white stripe tires 114,422 -
PX6 F78-14-B GB white stripe tires 248,753 $28.10
PY4 F70-14-B GB white stripe tires 15,341 $50.50
PY5 F70-14-B GB red stripe tires 8 -
PY7 G70-14-B GB red stripe tires 2 -
P01 Wheel trim cover 215,176 $21.10
P02 Deluxe wheel trim cover 3,358 $79.00
P06 Wheel trim ring 3,633 $21.10
P90 G70-14-B GB white stripe tires 26,814 -
P91 G70-14-B GB red stripe tires 194 -
T58 Rear wheel opening skirt 31,442
T60 HD battery 46,890 $15.80
UM1 Push-button AM radio & tape player 27,295 $194.85
UM2 Push-button AM/FM stereo radio & tape player 4,532 $372.85
U14 Instrument panel gauges 37,378 $84.30
U35 Electric clock 59,308 $15.80
U46 Light monitoring system 5,755 $26.35
U63 Push-button control radio 487,820 $61.10
U69 Push-button control AM/FM radio 31,426 $133.80
U76 Windshield antenna 580,635 -
U79 Stereo equipment 7,925 $239.10
U80 Auxiliary speaker 113,627 $13.20
V01 HD radiator 7,347 $14.75
V31 Front bumper guard 48,448 $15.80
V32 Rear bumper guard 36,595 $15.80
V55 Luggage carrier equipment (wagons) 13,044 -
YD1 Special wheel, hubcap & trim ring 90,017 $35.85
ZJ9 Auxiliary lighting 40,945 $21.10-$27.95
ZL2 Special ducted hood air system 28,888 $147.45
ZQ9 Performance ratio rear axle 3,348 -
Z15 SS454 equipment 8,773 $503.45
Z20 Monte Carlo SS equipment 3,823 -
Z25 SS 396 equipment 53,599 $445.55
796 Vinyl-coated trim 143,031 $12.65
961-7 Two-tone color combination 22,130 $23.20
*includes 1970 Monte Carlo

1970 Engine Suffix Codes
Suffix Displacement Engine Type Carburetor Power Transmission/ Application
CTX 402 cid V-8 4 bbl 350hp 4 speed manual
CTW 402 cid V-8 4 bbl 350hp Turbo Hydra-matic automatic
CKO 402 cid V-8 4 bbl 375hp 4 speed manual
CTY 402 cid V-8 4 bbl 375hp Turbo Hydra-matic automatic
CKT 402 cid V-8 4 bbl 375hp 4 speed manual w/aluminum heads
CKP 402 cid V-8 4 bbl 375hp Turbo Hydra-matic automatic w/aluminum heads
CRT 454 cid V-8 4 bbl 360hp 4 speed manual
CRQ 454 cid V-8 4 bbl 360hp Turbo Hydra-matic automatic
CRV 454 cid V-8 4 bbl 450hp 4 speed manual
CRR 454 cid V-8 4 bbl 450hp Turbo Hydra-matic automatic
*this are not all engines

1970

Exterior color codes

Name

Code

Classic White

10

Cortez Silver

14

Shadow Gray

17

Tuxedo Black

19

Astro Blue

25

Fathom Blue

28

Misty Turquoise

34

Green Mist

45

Forest Green

48

Gobi Beige

50

Champagne Gold

55

Autumn Gold

58

Desert Sand

63

Cranberry Red

75

Black Cherry

78

Interior trim codes

Name

Coupe

Convertible

Black

753 / 755*

755* / 756**

Medium Blue

762

764* / 765**

Saddle

770* / 771**

770* / 771**

Dark Green

782

-

Medium Gold

776

-

Ivory

790* / 791**

790* / 791**

Red

-

788**

Convertible top color codes

Name

Code

White

AA

Black

BB

Vinyl top color code

Name

Code

White

AA

Black

BB

Dark Blue

CC

Dark Green

GG

Dark Gold

HH

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