I use a Pace full width front mount and it's the business

Fit your new intercooler before whacking the boost up. The ACT's will be far too high and will at best sap power at worst you could cause some serious damage. If teh intercooler you are using is the original one I'd stick with no more than 1bar (14.5psi). If you have a diddy Pace cooler then a little more (18psi).