Sorry guys it's a volcano s30. There might be a redcat forum I was just frustrated and in a hurry to find something out. Nothing had really changed "I don't think" this is my first nitro car so pretty new to all this. But I had put couple new parts on since last time I drove it put new dog bones and axle stubs only on the front end took it outside had it running good all wheels were turning I had did couple donuts in grass then got back on the street an it was just peeling out with the front tires. My rear tires spin freely like a two wheel drive would I think but it'd just not hooking up with the gear in the differential I think. That's the best way to describe it. Sorry if I got u confused about anything I'm just kinda learning about these things and its a new kinda learning curve for me. Thanks for the replies