1990 Toyota Landcruiser Flow separation in th inlet valve g

1990 TOYOTA LANDCRUISER
321,564 MILES • 6 CYL • 4WD • MANUAL
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NAS979
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I put 6 cyl on the top because there was no option for 5 cyl as the car I just bought is a 5 cyl diesel engine landcuiser. I noticed that another car that has a 4 cyl diesel engine was overtaking me uphill. I have a suspicion that the valve intake gap was not measured properly, I opened the top of the engine and noticed that two of three of the valves were not closing properly, so I rearranged them and made a similar gap between the round flat metal that pushes the valve to open and the top crankshaft, I put them on number 15 on the scale that looks like a hand fan, I noticed that the engine is more powerful, does anyone know if this is the right measurement or not?

Any help would be highly appreciated.

Many thanks.
Nov 21, 2009 at 2:16 PM
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DR LOOT
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diesel engines are opposite from a gas engine, on a diesel the valves get tighter, on a gas engine they get looser, so I like to run my valves on my diesels as loose as I can run them, because they will tighten up later. When your valves tighten up your diesel will be harder to start due to the fact that it hangs the valve open and you lose compression.
Nov 28, 2009 at 10:32 AM