This is from experience playing with 351w engines and 76mm turbos.
you will find the edge of the turbo map before you reach 700hp. 3 separate builds all with a similar cheapie 76-78mm turbo after 25psi we just made more heat no extra power.
you will find the edge of the turbo map before you reach 700hp. 3 separate builds all with a similar cheapie 76-78mm turbo after 25psi we just made more heat no extra power.