IDI Turbo or not - Ford Powerstroke Diesel Forum
7.3L IDI (Non-Powerstroke) Diesels Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

 
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post #1 of 7 Old 01-30-2008, 08:14 PM Thread Starter
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IDI Turbo or not

First of all, I'm a newbie. I have a 1994 E350 bus. I know the DI Turbo came out in late 94. Was there an IDI Turbo that preceded the DI and if so, what's the easiest way to determine if I have a non-turbo, IDI Turbo or a DI Turbo. The Ford book that came with it says it's a Powerstroke Turbo but I sure don't see anything turbo-like. I've attached a picture under the inside engine cover (doghouse?).

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post #2 of 7 Old 01-30-2008, 08:24 PM
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your picture is a IDI non turbo. I'm not sure if the E series had the turbo mounted in a different place due to space issues though. If your exhaust manifolds go straight to the exhaust system, then there is no turbo. Hope this helps

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post #3 of 7 Old 01-30-2008, 08:37 PM
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For sure that is an IDI non turbo 7.3, I can see where the air filter sits( I hope it was you that took it off before the pic. because it is missing). I don't think Ford put the IDI turbo in the vans, just went straight to the DI.

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post #4 of 7 Old 01-30-2008, 08:37 PM Thread Starter
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Thanks for the reply

Exactly how big is a turbo and what does it look like. I guess the key is the exhaust manifold. If it comes right off the engine and is a straight pipe out the back, there's no turbo, right?
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post #5 of 7 Old 01-30-2008, 08:39 PM Thread Starter
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BTW, I did take the air cleaner off. Thanks.
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post #6 of 7 Old 01-31-2008, 01:27 PM
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Quote:
Originally Posted by daveclow View Post
Exactly how big is a turbo and what does it look like. I guess the key is the exhaust manifold. If it comes right off the engine and is a straight pipe out the back, there's no turbo, right?
correct! If theres a turbo, the exhaust from the manifold will run through the turbo. Turbos look like a rusty horn where the exhaust will go in and a clean aluminum horn next to it where filtered air comes from the air cleaner.

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post #7 of 7 Old 01-03-2009, 05:40 PM
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Quote:
Originally Posted by daveclow View Post
Exactly how big is a turbo and what does it look like. I guess the key is the exhaust manifold. If it comes right off the engine and is a straight pipe out the back, there's no turbo, right?
I know this thread is crazy old.....but I never get to use this pic. daveclow: this is what a turbo looks like.


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