rpm
Posted: Sat Jan 16, 2010 8:33 pm
My car is rs4 b5 (azr engine).I drive With rs6 turbos and i have stock valves and springs.Rpm rev is now 7500.In your opinion:What is the maximum rpm with these stock valves and springs without braking something? 7600? And what boost(now 26-27 psi)?30 psi?