Put it on run low boost you need bigger injectors and fuel pump I'd run one shade cooler plugs as well. And you will have to pull a bit of timing if ur fairly familiar with these cars you should be ok. I'd get it tuned right away
It'll be ok up to about 5 psi but, itd be best to run a boost referenced fpr I'd lock the timing at about 14* to be safe.. 42's a walbro 255, a descent maf,and a good tune depending on the turbo and mods will net block splitting rwhp numbers, keep it safe at around the 430-460 rwhp area though..