Top positive review
One person found this helpful
David Vizard , Excellent Writer and Engineer
on 12 March 2015
This is an excellent book and contains the essence of all you need to know in approaching the modification of cylinder heads . David Vizard is an excellent writer and engineer , who really knows what he is talking about . Don't laugh at his suggestions for building a d.i.y. flow-bench , I built such a device forty years ago from two old industrial vacuum cleaners and a motorcycle carb. balancing manometer - I learned lessons about airflow and port modification that have served me well ever since . Thoroughly recommended , deserves more than a mere five stars .