Welcome to the forum rmendoza. Csavaglio down in AZ had a 1990 Service manual for sale on here awhile back. Maybe you could contact him to see if its still available. I don't know about the pizza box availability as they are somewhat rarer. According to the info in the forum there are at least 15 ZR1's here in Colorado. I know of 5 personally and 1 of those was for sale in Castle Rock. I think Dynomite can possibly answer how many red on red there were as he is cornering the market on the red ones.
07-31-2014
Re: Denver ZR-1 Meeting
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