I have a stock s/charged V6 VX. Could you please tell me which pulley size will best suit my vehicle? Is the 10 psi the best size or can I get away with an 11psi? Bear in mind that this is a daily driver used for both work runs and to get the kids to scho

Seeing as your car is dead standard. The max you can run is 10psi (3.4) - in conjunction with 98 octane fuel. On 95 octane fuel, the max you can run is an 8psi (3.6) pulley. With the addition of an intercooler and/or tune, smaller pulleys can be used. We also supply memcals (tunes) for our boost upgrade mods.