You look at a beautiful engine and the first question that comes to mind is… how much horsepower? The answer can be found at Okoboji Classic Cars floor mounted Dyno. Used both for testing and mechanical troubleshooting, our in-floor Dyno 224xLC has the capability to measure up to 1000 horsepower and two hundred miles per hour. If you're curious about the power, our Dynojet will give you the answer. Let us tune your hot rod today! Restoration Shop Hours: Monday - Friday, 8:00 am to 5:00 pm.