Originally Posted by slick24

Hey I'm running a Tekin RS with 17.5 D3 in blinky buggy and I'm trying to get alittle more speed out of the thing down the straightaways. Currently I'm running 32/75 and I've read about going to a 69 or 70 spur but I dont know if i should do that or just go with a different pinion first. Any thoughts? If I do go for the smaller spur what range of pinion should i try.