new turbo question

[87gn1]

hello everyone .i still new to the turbo buick but have been doing a lot of reading and starting to make some mods to my 87 gn . what i ahve done so far is a 3" down pipe and test pipe have a scan master afpr new 340 pump rjc plate and a cai. calling turbo tweak tomorrow for 60#injectors and chip. was thinking a 6262 dbb turbo and a 2800 stall . any advice is greatly appreciated thanks in advance