7.3 IDI Natural to 7.3 IDI Turbo - Diesel Bombers



Ford 83-94 6.9 and 7.3L General Discussion of 83-94 6.9 and 7.3 Liter Ford Diesels

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Old 07-11-2010, 01:52 AM
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Default 7.3 IDI Natural to 7.3 IDI Turbo

I have heard both stories but can a naturally aspirated 7.3 IDI be turbocharged by using the turbo setup off of a 7.3 IDI turbo from FORD? Is the compression ratio or fuel delivery different or why would this be different than adding an after-market turbo?
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Old 07-11-2010, 03:12 AM
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the setup off any idi will work. my turbo is off a 7.3 idi turboed motor from a 94 f350.

once u get gauges on it, u can turn it up.
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Old 07-11-2010, 11:21 AM
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Yes it can a buddy of mine bought a non turbo motor to replace his blown up turbo motor. I think all he had to do was use the Manifolds from the turbo motor.
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Old 07-11-2010, 03:00 PM
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nope, manifolds are the same. the turbos use a dual uppipe that bolts to the factory manifolds.
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Old 07-11-2010, 05:43 PM
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N/A IDI's were 22:1 compression, Turbocharged 93-94 IDI's were 17:1 compression, over 10 pounds of boost reliability becomes a concern on the N/A motors, Just a FYI
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Old 07-11-2010, 09:52 PM
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no idi from the factory was down at 17:1 comp. the full run of idi from 84-94 ran 20:1 to 21.5:1
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Old 07-12-2010, 02:04 AM
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the turbocharged IDI's were
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Old 07-12-2010, 04:26 AM
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they wouldnt run. way to low for an idi. would never start below 50 degrees.
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Old 07-12-2010, 04:42 AM
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The Plot thickens
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Old 07-12-2010, 12:31 PM
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u dodge boys need to go back upstairs, let us rest down here at the bottom of the forum.
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