PowerStroke Swap? - 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 03-14-2008, 04:20 PM
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PowerStroke Swap?

Ok so i bought a 1991 f-250 7.3L non-turbo and i was wondering if i could swap a powerstroke into it with some what of a ease? Any help or suggestions would be great, Thanks.
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Old 03-17-2008, 05:00 AM
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i tired it on an 89, it could be done if you have a lot of time and money, but its pretty hard.

Different flywheel diameters
wiring harness mess
motor mounts a little different
bell housing not quite compatible

sorry
Peter
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Old 03-17-2008, 02:20 PM
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The IDI 7.3 is a damn good motor. Why not add a turbo. I have a ATS and I think Hypermax and Banks make them too. I think they run in the $1800-2000 range.
I have listed my dyno numbers in this forum, they are as good or better than the older powerstrokes. Just my .02
Howard
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Old 03-17-2008, 02:55 PM
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Just add a turbo to your motor and turn up the injection pump!
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Old 03-17-2008, 08:16 PM
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That was my plan but wasnt sure if swapping in a powerstroke would be better, Thanks.
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Old 03-17-2008, 08:31 PM
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i have a 95 F150 that had a 302 in it and im now it got a 96 psd. so there ant nothing to had or impossible
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Old 03-17-2008, 08:35 PM
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I did it when I worked at Denver Ford, The wiring was a lotta fun, about a month from start to finish, Their flatbed towtruck climbs the mountains without breathing hard now.
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Old 03-18-2008, 07:43 PM
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So what am i looking at in price range for all the hook up cuz i need more then just a turbo right? like and intercooler, ect. ect. By the way im only 16 n i dont know much about the diesels, it is my first vehicle n im more about Motocross. so i enjoy learning the new stuff her on the forum, my goal is to become a diesel mechanic.
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Old 11-17-2008, 08:53 PM
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You dont NEED an intercooler. Early Powerstrokes didn't come with one, either. I wouldn't get rid of a reliable, low power engine in favor of a high power electronic unreliable engine. I think the engine you have is "better" and with a turbo and a turned up pump, it will make more than plenty of power. Sniff around on craigslist for old beater idi's with a turbo. I have seen whole trucks with an aftermarket turbo for less than a kit.

The intercooler basically allows higher boost before the heat from compressing the intake air gets hot enough to start fighting the compressor wheel from a principal called "adiabatic heating". The intercooler fights this effect by cooling the charge allowing better airflow at higher boost. Not a big deal at the pressures run in most trucks. I can't remember where a point of diminishing returns comes into play without a 'cooler, but I think it's well over 20psi of boost.

Modern Automotive Technology by James E Duffy is a great textbook if you are serious and want to go over some basics before you're off to trade school. I used this book in school and bought it after I was in the work force for a couple years. Good book. I've seen better, but I like this one.
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Old 11-17-2008, 09:17 PM
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Send a message via AIM to Cory S
there is a guy on here that did it on his 87
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