well i restored 4 Ls6 chevelles so far, the last one i did in 07 and sold it in AC for 138k and it was top notch, Reggie Jackson almost bought it.....but those days are gone....id say today that car would go for 80 to 90k......and yours depending on how the body is, if theres any paperwork on the car (buildsheet, protecto plate) right tranny, rear, id say 40 to 50 k if it all there.....carb and intake is not that big of a deal there still out there.......i restore classic cars for a living, but im getting back into boating trying to buy a 30 cig ts mystique, been watching for awhile, this is my first post like this site...joe