Welcome to the club!
It is an '86 - 600EX group and fork crown confirm.
The paint should touch up nicely with Testor's model paints. I got the best results on mine with a coat of white first, then red on top. Treat the rust (if any) first.
You'll find it's a great bike.
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2010 AB T1X ** 2010 Cannondale SIX-5 ** 1993 Cannondale RS900 ** 1988 Bottecchia Team Record ** 1989 Bianchi Brava ** 1988 Nishiki Olympic ** 1987 Centurion Ironman Expert(2) ** 1985 DeRosa Professional SLX ** 1982 Colnago Super ** 1982 Basso Gap ** 198? Ciocc Competition SL ** 19?? Roberts Audax ** 198? Brian Rourke ** 1982 Mercian Olympic ** 1970 Raleigh Professional MK I ** 1952 Raleigh Sports