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7.3L IDI Hard to start intermitantly

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Old Mar 10, 2008 | 11:47 PM
  #61  
George D.'s Avatar
George D.
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From: Las vegas
Sounds like a big load try the boost gauge or you could pull the intake and inspect the compressor wheel for damage. see if it spins freely. and check for play.
 
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Old Mar 11, 2008 | 09:11 PM
  #62  
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Dave Sponaugle
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From: Nutter Fort, WV
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Less air pressure at high elevations make a turbo work very hard and they also make it spin faster.

Pyrometer is a very important tool at high elevations with a big load.

Pistons are good for 1250.
Turbos are good for 1270.

If they get hot enough, the exhaust side blades straighten out.
Boost starts dropping after that.
 
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