I did mine this spring. Got the top off craigslist!! I used 'vinyl cement' not contact cement. it is a little more forgiving. You have to hold it in place fro a few minutes for it to dry, but you can do a little movement to get wrinkles out.
I used the same source as you for directions- Corvette Fever. I read the instructiions about 10 times before getting started!!
Here's how it turned out:

Very few people get to see the top up!! I leave it down unless it's pouring!!!
There's no Corvette like a Convertible!
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Rarely indicted, never convicted