graceygirl is this a picture of your cart its a par car lifted with larger tires, par cars have 400 to 500 amp controllers are capable of going 24 mph stock yours maybe 25-26. stock club cars and ezgo's have a 250 to 300 amp controllers and can be set at 19.6 if there is anything slightly wrong it will not do 19.6.
This is the picture you posted in the show your cart post 3 or 4 posts below this one.