I have a book called "Chevrolet by the numbers" by Alan L. Colvin. It contains all of the information that you are looking for.
Hi Schoyne,Schonyenko2 said:Steve, if you're not a member of NNN you might want to join. Lots of knowledgable there. Also you can get help at Steve's nova site. The L78 in 70 was different than the 69. The intake was a low rise, and some had a very hard to find dual snorkle air cleaner. None had lower than a 3:55 rear gear, and an M20 was what you got unless you ordered a 21. Stock carb was a 780cfm dual feed vacum secondderies. Good luck, Schonye