Replaced head gasket on 60s detroit

[johnnyoff625]

Now it's missing and fuel nock and 2 and 4 are the ones did they just go bsd

 

[Mike]

Had a head gasket blow back in 2018, by the time it was put back together I had a couple bad injectors. I made it literally 200 miles before the injectors failed.Anything is possible after a teardown