ok i have a 91 camaro v6 i had a 350 put in from a 95 suburban now the motor is dropped in the car and no it wont start the guy who replaced the motor for me had the car started shut it off now it wont start it will trurn over but wont fire any help!!

 

Push and hold the gas pedal to the floor while cranking it. Try that

 

replaced my v6 to v8 350 will the wiring harness from the v6 work on the 350 or is there a way to tie in wires to get it to work ??

 

Yes, that's why it started at least once.