Quote Originally Posted by Yohooshi View Post
Do you think it would be ok to use 2 of the old ones in conjunction with 2 of the new ones in a 4 wheel drive system or would it be better to use 4 new ones if the power difference isn't that much?
As I mentioned in my post the old motors are slower with a 36:1 ratio vs ~28:1 ratio in the new drills. You can't really use 2 old and 2 new together. You could use different size wheels to make up the difference but frankly that's just awkward. :P