A brand new title in the best-selling SpeedPro!" series. Covers 3.5, 3.9, 4.0 & 4.6 litre engines from 1967 to date. Maximum road or track performance & reliability for minimum money. The author is an engineer with much professional experience of building race engines. Suitable for the enthusiast as well as the more experienced mechanic. All the information is based on practical experience.