[clarkey1984]

You can shorten the actuator rod which will give you more boost, I wouldn't advise any more than 1 and a half turns though, 2 as an absolute maximum, I've done 2 turns on mine and get 18psi on full boost, it does begin to tail off over 4000rpm though, as I'm probably right on the limit of the wastegate cracking pressure, that or the turbo is running out of puff at that rpm, does go like a rocket though.