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IDI/IDIT flywheel question

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Old Aug 27, 2011 | 08:01 AM
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IDI/IDIT flywheel question

Hi again folks,

I'm about to swap out a very tired IDI for a fairly fresh IDIT. The problem is, the turbo engine came out of an E350 auto, but I'm mating it to a Spicer 5spd. Can I re-use the IDI flywheel or do I need to find a turbo specific one?
Cheers
 
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Old Aug 27, 2011 | 08:13 AM
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You should be good to go on the flywheels, unless the E350 was an E4OD then you would need to remove the flex-plate(automatic tranny flywheel) and put the flywheel from the tired engine on there. Might I ask what is wrong with your engine to the poitn where you think it needs replacement???
 
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Old Aug 27, 2011 | 08:18 AM
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The old IDI has had too many years of pulling an overloaded 26' box truck around. She's way down on power and all systems are up to snuff, so I want to pull it before it goes bang and rebuild to have as a spare. The IDIT was a lucky buy as it was in a smashed E350 but has very low miles on it.

So the old IDI flywheel will be fine on the turbo engine?
 
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Old Aug 27, 2011 | 05:44 PM
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It should work perfectly they are both idi so you shouldn't have any problems
 
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Old Aug 27, 2011 | 08:32 PM
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From: Mi'kma'ki
caution!

factory turbo engines are in fact externally balanced via a different harmonic ballancer and flywheels,and cannot be swapped.weights are in fact different on both ends.

what year is the donor van? was the '93 and '94 E series offered with an optional factory turbo like the trucks? if so,and if you do have a factory '93/94 van engine,then be careful.
no matter though since it doesn't have a flywheel but a flexplate anyway.you'll need to score a turbo specific flywheel that will be properly balanced with that engines turbo specific balancer.
if the van is not equipped with a factory turbo,then your current flywheel on your old n/a will work,and must be used actually in this case.
 
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Old Aug 28, 2011 | 06:19 PM
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I'm running these motors in International S-series trucks, all with Spicer 5 speeds. So, the flywheels from the NA engines aren't balanced the same as the turbo's? The Turbo engine was a drop-in replacement in the E350, and had the overdrive auto trans.
 
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Old Aug 28, 2011 | 07:45 PM
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From: Mi'kma'ki
Originally Posted by zippylaredo
So, the flywheels from the NA engines aren't balanced the same as the turbo's?
no they're not.

Originally Posted by zippylaredo
The Turbo engine was a drop-in replacement in the E350, and had the overdrive auto trans.
what year? is it a turbo engine or n/a engine with an added turbo? some internals are in fact different on the factory turbo engines,thus the reason for them being balanced differently,and why n/a ballancers/flywheels or flexplates cannot be interchanged.
 
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Old Aug 28, 2011 | 07:49 PM
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It's a 94 E350, and the engine is a drop-in factory turbo, reman. So, I need a turbo specific flywheel huh? Any ideas on a part number so I can start the search?
 
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Old Aug 28, 2011 | 08:02 PM
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From: Mi'kma'ki
hey,i found where i read this (its been a while and i surprised myself finding it again lol.)
its the one called
93 94 7.3 IDI
Turbocharged
Diesel Engine
29 Mb

its a very nice pdf to have.so be sure to save it to your pc (which im making sure i do this time too.)

http://www.forddoctorsdts.com/articl...icle-06-08.php

"external modifications" page #28.
it has the part #'s listed there as well.
 
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Old Aug 28, 2011 | 11:03 PM
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Originally Posted by zippylaredo
The old IDI has had too many years of pulling an overloaded 26' box truck around. S
So in other words.... old U-Haul trucks eh?
 
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Old Aug 28, 2011 | 11:07 PM
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Thanks so much for the pdf...it's killer. And yes, old U-hauls and a couple of E350's
 
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Old Aug 28, 2011 | 11:08 PM
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Well then, you sir have an awesome fleet of machinery!
 
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Old Aug 29, 2011 | 12:57 AM
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Well, thank you sir. I love my trucks and their reliability/ease of repair. While I'm at it, anyone have a IDIT flywheel kicking around? I have a bad feeling they're going to be a rare commodity in my neck of the woods...
 
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Old Aug 29, 2011 | 09:12 AM
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If you have swapped over to a single mass you can get a brand new one from oriely's web page for about $140.
 
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Old Aug 29, 2011 | 09:35 AM
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Originally Posted by zippylaredo
Well, thank you sir. I love my trucks and their reliability/ease of repair. While I'm at it, anyone have a IDIT flywheel kicking around? I have a bad feeling they're going to be a rare commodity in my neck of the woods...
Na, you can order them new all day long for a little over 100 bucks. O'Riley's has them, DriveWire has them too.
 
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