Washington, DC. Not me, no affiliation. Could be a sweet starter vehicle. Only wish the standard height of the ambo boxes was >6' so that us tall folk could manage standing up inside.... Looks to be in remarkable condition for it's age.
I've looked into turbo kits for my IDI and the Banks (what this truck has)seems like the best of the lot. Not the most powerful and definitely not the cheapest, but generally the best developed. That said, all of the IDI turbo kits I've seen are fairly low boost. Low to the point where they don't generate enough heat to make an intercooler worth while.
Definitely a neat truck. If I were in the market for another project I'd be tempted.