Wastegate open and pressure down can be done both with the same component. I think pressure down is much better then op WG all time. Take ur WG off. Mark good where it is now (length) and then make it longer. Till you almost can fit it without pulling (just a lil bit). Then your pressure will be around peak of 0.5 backing to 0.4 or sg. You have some upgrades that you don't require the 0.7 peak to 0.5 of the std