Bone stock 318 2bbl 1/4 mile?

I seen a '65 Belvedere run at the local 1/8 mile track. It ran 9.6 with a semi stock 318. It had a performer intake/Edelbrock 600 and dual exhaust. 3 on the tree to. It was an 80's model with swirl port heads. I thought it was respectable.