With the information you have given its impossible. What EXACTLY is your engine components? A "Beefed up" 302 on this page could mean a stock block with a girdle...or a R302 block with top dollar parts waiting for 25psi of boost.
Another great resource for turbo information is www.turbomustangs.com . If you have not been there yet to read around i strongly suggest you do. Given your exact combo on their forum, or on corrals turbo forum you will get an exact answer.
Beefed up 302 with twin T3's = Beefed up Injectors :lol:
A forum community dedicated to Ford Mustang owners and enthusiasts. Come join the discussion about performance, production numbers, VIN decoders, modifications, troubleshooting, power adders, DIY tutorials, and more!