More cars have turbos fitted as standard and we will look at the best ways of tuning them. Ther are phenominal power gains available to turbo charged cars with engines of all sizes.

For a more comprehensive look at car tuning see our sister site www.torquecars.com

What is a turbo blow off valve

When you take your foot off the accelerator the car will not be burning fuel or consuming air so to avoid high pressure build up in the system the BOV releases the air either back into the unpressurised part of the intake near the filter or into the atmosphere. Most aftermarket BOVs vent externally and make a noise as they release the pressure.

We will take an indepth look at turbos and see what the best way of tuning them is.