There are timing marks somewhere.I dont know that particular engine,but I know it will have a timing mark.Also it needs way more compression than 80 pounds like others said.It might help if you described this valve job a little better.Did you check and see if they were seated?You can pour some diesel in the chambers and see if it leaks through the valve.How did you adjust them if you didnt find any timing marks?If you did something like set the Exhaust to the intake value and the intake to the exhaust value it might not run.They can be off a little,but not a lot.So if you adjusted them on the wrong place on the cam,some of them might not be seating when the piston comes up. There are lots of other things it could be too.Did you check the ring end gap?Did you clean out the head bolt holes before you put the head bolts in? Did you clean the threads on the head bolts?If you didnt do that,some of your head bolts might not be down far enough to properly torque the head down.Even if you left a little gasket on the block or head surface somewhere it could mess up a diesels compression.Ive seen that before.If you didnt have it in the right place when you adjusted the valves,if you did adjust them,then it could be that your valves arent closing all the way because they arent adjusted right.Im sure there are more things that could be wrong,just cant think of them now.One more thing was whenever I ground valves,I would take a small ball peen hammer and give the valves a good smack right in the middle to seat them good.You dont even need to use a hammer,you can just slam them in with your hand,but a hammer makes it easy.Or you could lap them I suppose.To lap them you have grinding compound and a suction cup tipped stick that you use to lap them.I have not seen anybody do valves with jewelers rouge and a drill.Whatever you use you have to get all of it out once you get done.
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