I just picked up a 1988 camaro 2.8L that has had many issues. I reran all of the emission lines, but can someone please let me know where the routing goes for the left side of the vacuum connector? It's connected to the intake plenum in back by the firewall. The right goes to the brake booster, but not sure where the other side goes. Maybe provide a pic of your setup? I have seen some have a check valve, but not sure. Thanks for any help that you can give.