How To Figure Compression Ratio

Love the car, especially the license plate frame. I remember Hines.

Thats a pretty cool machine. Wish I could find one to borrow! This car was built by a guy in California that moved to Vegas. I've never heard of Hines but apperantly he had and wanted it on there for nostalgia sake. :thumbsup:
Who cares what it is now? With 93 octane and aluminum heads you could run up near 11:1 maybe a bit more if you are confident in your tuning skills.
I only care about the current compression ratio because it runs so well on 93 octane and never gets hot. I'd like to know where I'm at because I don't want to stray too far from here with the new set up.