The 'Gospel According to Calver' concerning all tuning carried out on any aspect of your car and therefore the most poignant sentence to remember when planning your campaign of modifications - Tuning should be a compromise between what is possible and what is necessary Committing this to memory will increase the enjoyment and fun factor by having a car that can be driven very quickly yet have maximum reliability. After all, frustration, disappointment, and depleted funds have condemned more projects and race cars to the scrap heap than practically anything else.