Why IDI? - 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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Old 10-05-2011, 06:50 PM
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Why IDI?

So heres the question. if buying something from early 90s, why go with an idi? as opposed to a cummins or something along those lines.
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Old 10-05-2011, 09:39 PM
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Quote:
Originally Posted by IDIcurious View Post
So heres the question. if buying something from early 90s, why go with an idi? as opposed to a cummins or something along those lines.
I don't own an IDI, but I am seriously considering one as I am looking for a new vehicle (either IDI or PS).

When the vehicles are that old, simple, cheap it might come back to brand loyalty or other factors.

I don't know much about cummins motors but the price of maint. for an IDI is super cheap. I would assume cummins is the same since most everything from back then was mechanical.
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Old 10-05-2011, 11:46 PM
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I loved my IDI when i had it. It was a 89 rclb with the zf5 trans. I want to buy another when i get a chance at one. I thought that truck had good power still cuz I drove a 92 cummins at work every so often and it seemed like the IDI had more power. Coulda been the fact the cummins was just a old farm truck though. Didn't get taken care of the best.
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Old 10-07-2011, 08:15 AM
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Most people who have owned IDI's will say the same thing....slow, but they miss them and want another. They arent fast, but they definatly get the job done. A simple motor, easy to diagnose problems, easy to fix, and most parts are cheap (you can buy 8 new injectors for the price of 1 new PSD injector).

The first gen cummins are the same for the people who owned them. They tend to be more expensive, and you cant get on with a crew cab like you can with a Ford.
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Old 10-14-2011, 11:58 PM
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i had never owned a diesel before an found my 88 CC/LB/DRW/2WDwith a zf5 an love the truck it has plenty of power an it does ok on the dino mpg's too i plan on a turbo later ...once you get one you will understand they are jus plain old fashioned no computer nonsense good trucks
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Old 10-16-2011, 04:00 PM
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No computers, mostly mechanical. I can work on it without having to hook up a diagnostic program to it.
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Old 10-19-2011, 11:43 PM
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The main reason I see for going with an IDI over a 1st gen Cummins is price. In my area a 1st gen Cummins truck will cost twice as much as an IDI truck of the same year and shape.
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