the car has a aftermarcket pump 42lbs injectors the car runs fine for a 1 to1.5 hours then my puel drops to 20 40 50 then down20 then the cars stalls and it takes me 1 hour to get it to run and it runs like **** a chvette would beat please help.

 

Sounds like the same prob your having as me and many others on here. I dont know what the hell happen to mind cause my walbro has worked fine for the last 10k miles then bam...total POS. I get about 45 min out of my pump in the city and they my press will drop and with a few min it will die, then after a while it will start back up. Do you have a Walbro? You might have got a fake or shitty one, there was a lot I guess that were circulating.