Corvette: Year by Year
1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 19641965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988
1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
Slideshow1970 Corvette LT-1, LS5 Engine Debuts
Corvette LT-1 Arrives
Right: The LT-1 engine debuted in 1970 and was a hit amongst Corvette motorheads. It was essentially a solid lifter version of the well known and loved small block. Road racers welcomed the new motor since the horsepower was up and it's light weight kept the Corvette's balance under control. Notice the finned aluminum valve covers which were added to many non LT-1 engines.
Below left: Center console plaque offered 1970 Corvette LT-1 specs. Later LT-1 engines (it was available in 1971 and 1972) had lower compression ratios. Right: LT-1 tachometer with the 6,500 RPM redline, part of the secret to the LT-1 horsepower rating.
1970 is famous for being the last year that high compression engines were available. Unleaded gasoline was in the future and high octane gasoline was becoming harder to find, causing GM to limit compression ratios after 1970.
Introducing the LS5
A new engine option appeared in 1970: the LS5 became the only big block available. Displacement was 454 cu in., the largest Chevrolet would install in a Corvette. 4,473 (25.83%) were produced in 1970 (RPO LS5, $289.65)
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Custom Interior Trim - sort of a wood grain veneer - was available on Corvettes from the 1970 to the 1976 model years. It apparently had no RPO # but the price was $158.00 in 1970 (production quantity 3,191 or 18.43%) and rose to $164.00 (production quantity 36,762 or 78.96%) in 1976.
From the 1970 Brochure
1970 Corvette: Official GM Photo.
1970 Corvette Options, Prices
| RPO | Description | Production | Price |
| Custom Interior Trim | 3,191 (18.43%) | $158.00 | |
| A31 | Power Windows | 4,813 (27.80%) | $63.20 |
| A85 | Custom Shoulder Belts (standard with coupe) | 475 (2.74%) | $42.15 |
| C07 | Auxiliary Hardtop (for convertible) | 2,556 (14.76%) | $273.85 |
| C08 | Vinyl Covering (for auxiliary hardtop) | 832 (4.80%) | $63.20 |
| C50 | Rear Window Defroster | 1,281 (7.40%) | $36.90 |
| C60 | Air Conditioning | 6,659 (38.46%) | $447.65 |
| G81 | Optional Rear Axle Ratio | 2,862 (16.53%) | $12.65 |
| J50 | Power Brakes | 8,984 (51.88%) | $47.40 |
| L46 | 350 cu. in. 350hp Engine | 4,910 (28.36%) | $158.00 |
| LS5 | 454 cu. in. 390hp Engine | 4,473 (25.83%) | $289.65 |
| LT1 | 350 cu. in. 370hp Engine | 1,287 (7.43%) | $447.60 |
| M21 | 4-Speed Manual Transmission, close ratio | 4,383 (25.31%) | n/a |
| M22 | 4-Speed Manual Transmission, close ratio, heavy duty | 25 (0.14%) | $95.00 |
| M40 | Turbo Hydra-Matic Automatic Transmission | 5,102 (29.46%) | n/a |
| N37 | Tilt-Telescopic Steering Column | 5,803 (33.51%) | $84.30 |
| N40 | Power Steering | 11,907 (68.76%) | $105.35 |
| NA9 | California Emissions | 1,758 (10.15%) | $36.90 |
| P02 | Deluxe Wheel Covers | 3,467 (20.02%) | $57.95 |
| PT7 | White Stripe Tires, F70x15, nylon | 6,589 (38.05%) | $31.30 |
| PU9 | White Letter Tires, F70x15, nylon | 7,985 (46.11%) | $33.15 |
| T60 | Heavy Duty Battery (standard with LS5) | 165 (0.95%) | $15.80 |
| U69 | AM-FM Radio | 14,529 (83.91%) | $172.75 |
| U79 | AM-FM Radio, stereo | 2,462 (14.22%) | $278.10 |
| UA6 | Alarm System | n/a | $31.60 |
| ZR1 | Special Purpose Engine Package | 25 (0.14%) | $968.95 |
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Total Production:
17,316
Notes: Base Corvette Coupe with 350 cu. in. 300 hp engine and wide ratio four speed manual transmission: $5,192.00. |
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Colors
| Code | Exterior | Quantity | Interior | Soft Top | Wheels |
| 972 | Classic White | n/a | Blue / Black / Brown / Green / Red / Saddle | Black / White / Beige | Silver |
| 974 | Monza Red | n/a | Black / Brown / Red / Saddle | Black / White / Beige | Silver |
| 975 | Marlboro Maroon | n/a | Black / Brown / Saddle | Black / White / Beige | Silver |
| 976 | Mulsanne Blue | n/a | Blue / Black | Black / White / Beige | Silver |
| 979 | Bridgehampton Blue | n/a | Blue / Black | Black / White / Beige | Silver |
| 982 | Donnybrooke Green | n/a | Black / Brown / Green / Saddle | Black / White / Beige | Silver |
| 984 | Daytona Yellow | n/a | Black / Green | Black / White / Beige | Silver |
| 986 | Cortez Silver | n/a | Blue / Black / Brown / Green / Red / Saddle | Black / White / Beige | Silver |
| 991 | Ontario Orange | n/a | Black / Saddle | Black / White / Beige | Silver |
| 992 | Laguna Gray | n/a | Blue / Black / Brown / Green / Red / Saddle | Black / White / Beige | Silver |
| 993 | Corvette Bronze | n/a | Black | Black / White / Beige | Silver |
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