Originally Posted by
teamgp
I had one of the first production kits with the same type of problem.
Until I found out that I had to re-adjust the two speed shoe set screws to just the right amount of space in between
both shoes and the outer aluminum housing.
Once I learned how to set that right, the original XRAY 2 speed springs have always worked consistently and with longevity.
Yeah once I've set the center set screws correctly I have not had any shifting issues while using the stock springs. Never really ran into an issue with the 2 speed on any track I've been to