studdering

[sil180type_x]

i just got my sr swap done and have the stock smic and when i hook up the vaccume line that hooks to it my car studders and shoots black smoke out and will not rev but and idles rough but if i don't hook it up it runs fine and revs good in 1rst and in 2nd to about 3500 studders for a second and revs fine from there to 7500 rpms can anyone help me

[Def]

What vacuum line on the SMIC? There's a small line with two 90* bends that goes to the stock BOV if that's what you're talking about.

Sounds like you do have a small leak, so check over your vacuum lines again. They're *really* easy for an SR swap.