[BoostSlideWayz]

Yeah like stated before the main problem is the diff... If its not a solid diff that's transfering power equally to both wheels your always going to either have traction on the rears or just one wheel will spin and the other will try to grip.

Id say a welded diff is the most cost effective way to get started. Personally i know alot of welders and they are good friends and do this stuff for me for free. Id say however that arc welding the diff is probably the best way because its a very strong weld. The guy that did mine used his arc welder on my diff years ago, and when he was finished it literally looked like the inner teeth were actually melted together instead of just weld sitting ontop of them. Still solid to this day.