Looking for infos about IMSA GTO Corvettes

Hello

I am looking for any pictures and info (especially kerb weight, horsepower, torque) about the IMSA GTO Protofab Corvettes of the late eighties.

I found this pic with a quick search... I'll continue later
http://www.pbase.com/mwphoto/image/49902756

greg Pickett at Mid-Ohio 1988

Take a look on http://www.racingsportscars.com/, there're several photos of Corvette Protofab

Also the Chevy were Powered by a V8 5,5L given for 580hp ;)

Hello

I am looking for any pictures and info (especially kerb weight, horsepower, torque) about the IMSA GTO Protofab Corvettes of the late eighties.

Thanks hadlou for the link to my pic of Pickett@Mid-Ohio! Take a look around the other galleries from 1988 and 1987 for more pics of the Protofab Corvette.
I could not find anything from 1987, but I did find a couple press kits from 1988 from Polyvoltac that I did a quick scan of http://www.pbase.com/mwphoto/gallery/polyvoltac

Some specs (no HP rating) for both the 5.5L and 2.5L-turbo.
Page 2 scanned talked about a third engine of 4.5L being tested by the team.
Hope the info helps.