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NHRA Engine Blueprint Specifications

Blueprint specifications contain information vital to building NHRA legal Stock and Super Stock engines. Critical dimensions, as well as casting numbers for cylinder heads, intake manifolds, etc., that are verified during teardown inspection, are contained in the Blueprint Specifications.

Engines are listed by manufacturer and year, and identified by cubic inch displacement and original, advertised horsepower. If you do not find a particular engine listed, it means specifications for that engine were never received from the OEM, and the engine is not eligible for competition in Stock and Super Stock.

Clicking on a link below will allow you to either download the file to your hard drive or to open the file in your word processing program.

Files can be opened with Word or similar word processing program. If you do not have a suitable program, click here to download the Word viewer.

 

Bore/Stroke
1960 1961 1962 1963 1964 1965 1966 1967 1968
1969 1970 1971 1972 1973 1974 1975 1977 1979
1984

 

Buick  Top
 
Bore/Stroke
1960 1961 1962 1963 1964 1965 1966 1967 1968
1969 1970 1971 1972 1973 1974 1975 1976 1977
1978 1979 1980 1981 1982 1983 1984 1985 1986
1987 1988 1993 1994 1995 1996 1997 1998 1999

 

Bore/Stroke
1977 1978 1979 1986 1987 1988 1990

 

 
1985 1986 1990 1991 1992 1995 1996

 

 

1980 1981 1982 1983 1984 1985 1986 1987 1988
1989 1990 1991 1992 1993 1994 1995 1996 1997
1998 1999 2001 2002

 

Ford  Top
 
1991 1992 1993 1994 1995 1997 1999 2000

 

GMC  Top
 
1991 1992

 

Honda  Top
 
2006 2007

 

1991

 

Nissan  Top
 
1993

 

Bore/Stroke
1949 1950 1951 1952 1953 1954 1955 1956 1957
1958 1959 1960 1961 1962 1963 1964 1965 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 1999 2000 2001 2002 2003 2004

 

Opel  Top
 
1968 1969 1971 1968 1969 1971 1972 1973 1974
1975

 

Bore/Stroke
1955 1956 1957 1958 1959 1960 1961 1962 1963
1964 1965 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

 

Saturn  Top
 
1991 1993 1994 1995 2006 2007 2008

 

Shelby  Top
 
1963 1964 1965 1966 1967 1968 1969






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