The really "Old School" boating thread

[westair]

There were a lot of different types of hulls in all the sprint classes back in the early 70's. SK was short for ski (boat) and they were originally limited to 400 inches. They did allow for a little bit bigger engines just before the class disappeared around 1980.

Lot of different hulls but still all chev power I see.... sure wish I would have known about the circle boats back then, lot of competition and no shortage of boats it seems.

Basically like Shooter said, it was an unlimited modification N/A 400 inch class, Later they raised it to match the SS class which had very limited modifications at the time. Eventually SK became Pro Comp, then Pro Stock with 500 inch limit.

So were these small blocks when it first started ..... what speeds, 100mph+? ..... now I see what the PC boats are also, thanks