engine problems

[bigmill11]

i just got a 91 chb dx for $600. the head was blown so we got another 1.5 to but in it. well we but the engine in but it won't start. the engine is getting a spark and then it shuts down after a couple of turns and the main relay is making a wierd buzzing nosie when the key is turned forward. is there a cutoff switch and if so where is it. thanks for the help

[FourthGenHatch]

Could the relay be bad? Try to see if the engine is getting gas.

[Melt]

sounds like the relay to me also.

[Sikocivic]

Check all your grounds!!! Hondas are very fussy about ground wires. I have had some strange things going on after motor swaps that all cleared up after we fixed a loose ground.

[bigmill11]

engine is getting gas and a spark. thanks for the help