Speed Density Guys- NEED HELP PLEASE

[Rick 91GT]

Well I am SD stupid since I am a mass Air guy. My buddy's 88 has a horrible surge to it, I though it was the IAB but after the install of a brand new sensor it still does. Then I though maybe it is the "BAP" or "MAP" what ever that is on a SD car, I disconnected it while it was running and nothing happened, I though that a SD car relied on that sensor for it's functions. He replaced that as well but it still does it? Could it be a sticking or dirty injector, the car sat for 3-4 years but it has been running great for the last 3 days since he got tags on it, we have had it running for over 3 months now and have never seen this problem, but it has only really been driven these last couple of days. Any ideas would be apprecaited, he has a A-trim on the way and I need to get thios fixed before I install the blower.

Thanks Guys!

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