sohc-dohc swap rough idle

[sil80forme]

idle is at 80-1000 but it's not smooth is sounds like its missing, sounds like bla bla bla bla bla someoen please help

[sil80forme]

ok now for some reason it is goin from 500-700 up and down and eventually stalls what the fuk, could a vac leak or bad o2 cause this prob, and i cant set timing till i get the idle at a steady 700 anyone have any ideas cause i am stumped.

[sil80forme]

ok well i had my bro start it and hold throttle in a tad so it wouldnt stalll well while i was under the hood i hear this hissing sound, so theres ur sign, vac leak, now i juts gotta figure out where it is damnit i hate this shit, and i hope that solves the prob,