for the riding you are doing, and the pipes you are using, go with the 2 into 1.. heres my setup, 19cc domes,+5 timing, I ported my cylinders, vforce2's, t5 pipes, and the trinity 2 into 1 35mm carb. . i absolutely love the single carb setup.. it outperforms the stockers everywhere on power.. it has a lot more bottom and mid power, and it pulls harder up top.. plus its very simple only having 1 carb, it takes a lot of hassle out of it.. it is tricky to get it tuned, but just ask a few people on here, i had trouble with mine, posted a thread, and got replys with needle, main , and pilot jet reccomendations, run a dek or a eek needle in it.. i have 2 sets of stock carbs on the shelf, and thats where they will stay..