carb help

well as some of you may rem. i had a post about pinion angle and now that i have it set to where i want it i have a new problem.....first before i did the angle i could drive down the road and just burn the tire up and now ive set the angle and when i come up on the verta it will stumbal then just go i know its hot and i may need to jet down some but could some one point me in the right way with the jets to start with...now it has 82/88 6.5 pv fr and no pv bk.....i didnt have the stumbal before til i set the angle....thanks