Proud new owner of my first 87 Intercooled GN. Picked the car up a month ago and, it was in great shape for being mostly original with 86,000 miles on it. The car starts, Runs and drives well but after about 30 minutes of driving it stalls hard on braking and turning and wants to die or over accelerate after letting off. Have searched for vacuum leaks multiple times and found everything to be in good shape. Wanted to clean it up a bit for summer, just installed new air filter, valve breather, EGR, IAC, PCV, and belt. Cleaned MAF per recommended instructions, fresh oil and filter change. It definitely sounds more mellow now on Start ups and idles lower when sitting, power picks up no problem if I get on it but the issue is persistent... driving me nuts. Any advice on what to look for next would be much appreciated!