Need info on 1984 Scarab II
 

I need information on Scarab II boats built in the late 1970's and early 80's. Mine is a 1984 and the hull is made of something black and gold. The deck is is made of regular fiber glass. I have been told the hulls were made several years in advance and the decks and liner done as ordered and the serial number added. What is it made of and what do I need to know to work on it. Is it a race hull?