Help FABO 1969 Barracuda 318 What's it Worth

1969 Plymouth BARRACUDA 318-230hp (8cyl-2V) AT
#4 #3 #2 #1
2dr Convertible 12425 20000 29600 40700
2fb 7850 13850 21100 32300
2dr Hardtop 7225 12750 19400 29800
Add:
340-275hp (8cyl-4V) 25%
383-270hp (8cyl-2V) 30%
383-330hp (8cyl-4V) 40%
4spd manual trans 10%
Air conditioning 10%
Deduct:
225-145hp (6cyl-1V) -20%
3spd manual transmission -8%
Manual steering -3%
Column shift -5%