Need advice on buying a 1989 328 GTS in long term storage

Update 3/26/2019 - I received a call from Lake Forest Ferrari yesterday and was told the car is currently being detailed for its Classiche presentation. Once this is done they will go over the car, get all the numbers off it, do all the detailed pictures and then they will put it on the turntable in the showroom for its final pictures. Then comes the process of waiting for the Classiche report to come back, which I hear can be a lengthy process. I am told I should have it back in my possession by the end of the week detailed, fully sorted out and ready for the 2019 driving/show season. Another good side note is the technician that did all the work on my 328 said it was the best driving 328 he has ever worked on!

 

Update 4-4-2019 - The Classiche documentation is complete and my 328 should be home soon! Here are a few pics of it in process.
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I will find out when the report comes back. I am not too worried about it and also like the look of the painted top compared to the covered top

 

It was actually done before the guy I bought the car from acquired it. So that puts the top modification prior to 1995 if it did not come as a custom order from the factory.

 

I chose a set of continental tires for the 328, they are good performing summer only tires. I have not come up with the service book yet, the previous owner is still digging around for it. Hopefully he will find it one day! I will post pictures of the 328 as soon as I get it back and take it for a nice long drive!

 

If it is not a factory done option,whoever did the top conversion did an incredible job in making it look factory. The seal on the top looks exactly like the seals around the windshield and A-pillar trim. The color and finish of the paint is also an exact match. I also like the way it looks and of course it makes my 328 a little different that the rest. I will find out for sure when the Classiche comes back.
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Update 4/12/19 - I finally got my 328 back and it looks fantastic and drives even better! Already logged over 100 miles on it this week. It is such a great car, I love how connected I feel when I am driving it! It is so great to drive a fully analog car. I have driven many vintage cars and this is by far the most enjoyable driving experience I have had. The car really pulls hard when you get the RPM's above 4000 and is rock solid at 100+mph. Now I just need to get it on the lift and start detailing the chassis, lower engine and suspension. As a automotive journalist once wrote "The 328 hits the sweet spot where Ferrari’s legendary performance, Pininfarina beauty, modern comforts and relative affordability converge". Funny story, my family has an app on our phones that tracks all our locations, it is handy when you are trying to keep track of where the teenagers and grandparents are. My wife looked at my location history today and asked why the hell I was driving all over the county on the backroads for 2 hours and it also logs your top speed which is good for teen drivers but I guess not for me in the 328. She didn't seem amused to see the 137 top speed number. I on the other hand was very amused at that particular point in time. Here are some pics when I got it back on Tuesday.
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It has come a long way since that day back in August of last year. A wash (I think the first one since 2013), a major service and a full exterior / interior detail. Now it looks the parts of a 16K mile all original car that is ready for the 2019 driving/show season!
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