98camaropower

I have 98 camaro ls1 I'm installing fast 92mm intake an nick williams tb... im having trouble with the new coolant line I bought for the fast intake mod.. do I take my original coolant lines off?? An there's a vacuum line in the rear under the map sensor on the left that my vacuum lines do not match up at all an that vacuum line is very stiff.. are the good install write ups or pics I'm new to all this so I'm in need of help