Greetings . . .
Two of the three books mentioned by John are available in reprints. If you search on amazon.com "speed manual Bill Fisher" and then on "Roger Huntington":
California Bill\'s Speed Manual - 1954 Edition California Bill\'s Speed Manual - 1952 Edition Roger Huntington\'s How to HOP UP Chevrolet & GMC engines The Huntington book was published by Floyd Clymer in '49 and then again '51. It has a lot more technical information then the California Bill book, which is more anecdotal. I find the two books compliment each other.
BTW Huntington also wrote about the 'paths to power' for the inliner's arch nemesis the flathead:
How to HOP UP Ford and Mercury engines And I just ordered a copy of his more general book:
Souping the Stock Engine The McGurk book does not appear to have ever been reprinted. They come by on ebay every once in a while and fetch way more then I am willing to bid!
regards,
stock49