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Welcome..I'm also truckless at the moment. I regret selling my 78 Burb when I moved to Vegas. Nice 2nd gen (Nastyz28?). I have a 70 I'm working on too. No plans to get rid of it though.
Welcome to the site. Your car is sweet. Why do you want to sell it, other than to by a truck? If it was mine, I would find a way around selling it. I know the economy is not doing that good right now, but you can find a fixer-upper for pretty cheap.