youll be faster with stock carbs then that 2 in to 1. get rid of the pipe. hill climbin i assume your not gonna run struts lol. but it takes no time to swap shocks. if its the hill climbs were your jumpin i dont think that single a arm setup would hold up. welded crank. drag port. modded stock head or cool head. fresh pistons. strip her down get a swingarm and run her.buy a drag axle too, pro wedges or haulers, drag cut wheels spindle mounts etc. and carbs. id do engine and swingarm first