I've been driving my 46 COE TT for 12 years or so and it's 99% original 6 volt and all . (it's in the gallery) I've had a lot of fun taking it to local car shows, and to Home Depot or the super market. 40 -45 MPH is it's top end. Had it on the interstate twice , won't do that again. Some people are amazed to see these trucks in their original condition. My advice is if it's all there keep it original !