hi guys just want to ask what spring you used for tight ,medium aspalt track with couple of corners..some uses associated instead of xrays(silver and gold) but i tried to test which is harder between the associated silver and xray ithing xrays silver is alittle bit harder....cause i read a post that xray's springs that come with t2 is soft......actualy i suffer from oversteering.i was thinking mybe if i could change the springs to correct that problem....please help me .....thanx by the way t2 rock!!!!