Cold Start problems

[Duker]

Hey guys, I need some input on cold start problems. The car will just crank and crank, hits spuratically and ab a minute of cranking it will finally start with a very very rough up until i rev it up and then it clears up completely....
where should i even start with this issue??
It is an auto converted car with 8.5mm wires and a full 3in exhaust....