wont stay running

Hey all, ive been researching and struggling to get my UZ running in my gutted 84 celica for quite some time now. I had made a previous post when first buying the UZ asking about fuel rail differences and trying to find more information on what engine I have - all is well and I have this...

I drove a full day of work then went to go home and the car started, then shut right off. started it again and if i feather the throttle it will stay running but real rough; doing this i managed to get it on the highway and drove it home 30 miles. it bogged down three times during that time but...