Street Rotary HP1549: How to Build Maximum Horsepower & Reliability into Mazda's 12a, 13b & Renesis Engines
"Mark  Warner is a professionally licensed mechanical engineer, a member of the Society of Automotive Engineers, and a life-long automobile expert and builder. He has written five best selling books on automotive technology, hundreds of magazine articles, dozens of peer reviewed technical papers, and holds ten engineering patents. He lives in Tucson,  Arizona. When he's not writing, he can usually be found wrenching on a project car in his shop."