Who has vacuum routing diagrams for 1985 corvette ?

[dolores]

i have a 1985 corvette ,i am having problems with vacuum routing,it gives me spark knock ,runs rough and stalls.

 

[69canam]

I don't have a diagram I can point you to, but your best bet might be to run down to either your bookstore, or parts store and get a repair manual for your car. They are usually less than $20.00 and can be invaluable. The manual should have the diagram you need.