Typically these uprated parts are usually fitted by our members, decide how far you want to go before you get going. The more you start with the bigger the return on investment so engine swaps are good value mods for small engined cars. The best power gains come from larger engine sizes. Spending a little bit of money on the top engine and handling parts should transform your car into a potential super car beater. Our aim in engine tuning should be to increase peak power and torque at the top end. and fit modified stiffer dampers, bigger drops will need other modifications in most instances. If you set the toe out to 1-1.7 degrees on the front, and add slight negative camber then cornering will radically benefit.ĭrop the car optimally somewhere in the region of 28mm - 42 mm. Many S40 owners uprate the handling of their cars with sports suspension upgrades as a priority, this will certainly increase your enjoyment of the car. Follow our pointers to avoid ruining your car We see people wasting money on their S40 doing the wrong mods and then having to start over. The Turbo engines are a dream to work on and offer lots of reward when tuned.

The range was revised and face lifted in 2004 then subtle refreshed in 2007. The S40 hit the streets in 1995 and sold well. The S40 is a good tuning project to fill your spare time. 'Tuning guide to the best Volvo S40 modifications.'

Demon chip tuning