I thought this would be a good thread to add links to the NHRA (and AHRA !!) Rule Books I have found on line.
1966 AHRA Rule Book
http://www.selectric.org/ahra/1966rules/index.html
1980 AHRA Rule Book
http://www.selectric.org/ahra/1980rules/index.html
1970 NHRA Rule Book
http://quartermilers.proboards.com/t...hra-rules-1970
Far Out, man! Groovy!
And for completeness, an old link here, 1958-1968 NHRA Rule Books.
http://www.jalopyjournal.com/forum/t...resent.870742/