Extremely bad vac leak?

[cusil4d]

hey, i just got done replacing a bunch of things on my SR, the timing chain and the head gasket. i just replaced all the vacuum lines with new onesso my problem is, im getting almost no vacuum at idle, and car dies if i dont give it a bit of gaswhere else could i be leaking from, i've tightened all my clamps for the intercooler piping, where else could i be leaking from?thanks a bunch in advance