1988 Chevy Cheyenne cold start

truck sitting in my garage not heated . when you go to start it it will roll over . fuel pump you can hear. take alot to start it , maybe ten time turning over the key . around the 8 time you can hear it trying to itnite the gas if i do get it going without running down the battery i have to baby it for 5 min to get it to run normal or come out later or next day and plug it in for 20 min hit the key maybe one or twice it will take right and i can back out of garage and leave