360 stalls when put into gear

Hey guys just joined this forum. I’m 18 and I just bought a 1984 d250 with the 360. As most of you probably know it had the dreaded tq carburetor. I rebuilt it once and got a new resin piece for it. I think it took the carb off about 6-7 times for various problems. Fuel leaks float adjustment etc. They have all been fixed except since my last fuel leak out of the carb that I fixed it has another problem. It doesn’t start when warm and two when I place into gear and then start to accelerate it stalls. It’s not the accelerator pump as I saw the fuel being shot into the primary’s when I pumped it. Any ideas any of you guys have would be greatly appreciated
Hey y’all I think if I reply to my own post everyone who replied to me should be able to see it. Thank you so much for all your guy’s support. I’m so glad I came to this forum. For those of you that I haven’t responded to I have read all of the posts and I greatly appreciate all of the help. The problem wound up being a vacuum leak in the carburetor base gasket. I replaced it and it runs great. Still needs some tuning and some other vacuum leaks fixed but nothing as bad as the base gasket. Again thanks for all of your support and help I will absolutely be coming back to this forum. :)