Smoking Ford 5000

I completely rebuilt my Ford 5000. Had the pump gone through and rebuilt the injectors. Smokes something horrible. The white smoke will fog the entire shop within minutes of starting. Tried advancing the timing 19 then 25 then 33. Still white smoke. Pulled the exhaust manifold to see which hole wasn't firing. It skips around. Usually the #1 and one or two others do not fire could be 2 3 or 4 sometimes 1 fires and not 2 and 3 or 2 and 4. We thought it might be the pump and took it back to test they said it was fine. We took the injectors back to have them tested, checked to be sure we had the right replacement cam gear. Pulled the head and pulled a piston to be sure we had the right piston. Which according to the book we do. I am completely stumped. What would cause different holes to not fire and then fire?
 
I,m no expert by my 2000 new Holland started to smoke a lot in the am and would miss at higher rpms on mine I figured out it was the lift pump sucking air also the fuel line was loose letting air in, I replace lift pump and fuel line and now in the shop on a cold start it hardly smokes at all
 
Were any valve parts replaced, or just ground and re-used? If ground then valves are probably recessed too deep, which lowers compression. Incorrect gasket thickness or wrong pistons will cause trouble too. Best to do a compression check and see what you actually have. Lower than 350 will cause the trouble you describe..
 
(quoted from post at 16:58:19 03/11/18) Early or late 5000? Thin or thick head gasket used?

It is an early 5000 a 233 engine I believe. Im not sure about the head gasket. That is the last thing we are checking on. My machinist ordered the first and I have to order a second on line so that might be an issue. He has it at his shop and will check it today. Do you know how thick it should be?
 

We checked the pistons and they are the right number according to the dealer. The people who ground the valves have a great reputation but I suppose they could have made a mistake and ground them too low. I tried to check compression and only got 250 but I wasn't sure I had a good tool for checking and it was the same across all cylinders. I assumed it was my tool because some were firing and it was before I realized that the misfiring was not constant. So that could also be an issue. Could low compression cause intermittent firing?
 
On the inline fuel pump, over fuel button
is in the centre of the throttle level on
the pump, button should push in and then
automatically pop out when tractor starts.
Not sure that would be your issue as a
stuck over fuel button usually results in
high rpms and lots of black smoke
 
I can't get NH's parts site to pull up full details with the change date for some reason, but a 233 should have the thin (0.94 mm) gasket, p/n 82845203, while the later ones use a 1.6 mm gasket, p/n 87800517.
 
(quoted from post at 10:16:46 03/12/18) I can't get NH's parts site to pull up full details with the change date for some reason, but a 233 should have the thin (0.94 mm) gasket, p/n 82845203, while the later ones use a 1.6 mm gasket, p/n 87800517.

Wow thanks so much I think that may be our problem. Or at least one of them
 
Don't know if this applies to a Ford. I had Deere 219 4 cylinder engine rebuilt
and the mechanic timed the engine to the marks for a 3 cylinder engine. Was very
hard to start and when running would smoke really bad. That said I would check
the timing gears to see if something was off.
 

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