Difference between 94-97 7.3 and 98-200? 7.3 - Ford Powerstroke Diesel Forum
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Old 04-21-2008, 03:18 PM
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Difference between 94-97 7.3 and 98-200? 7.3

Is there a bigg difference between the turbocharged 7.3L that are in the old style fords and newer style fords it's deffinatly a noob question but i was looking at guzzles powerstroke maintenance and my truck is a 97 7.3 and his is a 2003 7.3 i was just wondering if there was much difference in the location of parts on the motor
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Old 04-21-2008, 03:21 PM
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Originally Posted by wave38 View Post
Is there a bigg difference between the turbocharged 7.3L that are in the old style fords and newer style fords it's deffinatly a noob question but i was looking at guzzles powerstroke maintenance and my truck is a 97 7.3 and his is a 2003 7.3 i was just wondering if there was much difference in the location of parts on the motor
Completely different. I'm sure some of the components are the same, but the 94.5-97 powerstroke is a mechanical fuel pump fuel system and the 99 and newer have an electric fuel pump in the tank. Also, the 99 and newer are intercooled. There is quite a bit of difference between the engines. I'm sure someone else will be along to give you some more info.
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Old 04-22-2008, 07:36 AM
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not sure but would like to know more so heres a
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Old 04-22-2008, 07:57 AM
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the turbo is different and there are a couple of things switched around like the a/c compressor and the alternator r switched places. the internals r the same except for the injectors and on the 01-03's the rods are made of a different material. and the HPOP is different on the newer ones. just some lil things that r revised from the OBS trucks.
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Old 04-23-2008, 10:37 PM
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Originally Posted by dhanna6powerstroke View Post
Completely different. I'm sure some of the components are the same, but the 94.5-97 powerstroke is a mechanical fuel pump fuel system and the 99 and newer have an electric fuel pump in the tank. Also, the 99 and newer are intercooled. There is quite a bit of difference between the engines. I'm sure someone else will be along to give you some more info.
The fuel pump is on the frame rail
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Old 04-23-2008, 10:41 PM
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Body style lol. Old Body Style (OBS) and Original Super Duty (OSD) as I like to call it.
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Old 04-24-2008, 05:24 AM
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.......... just subscribing
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Old 04-24-2008, 01:09 PM
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Originally Posted by 87powerstroke View Post
The fuel pump is on the frame rail
Oops. I knew that. Typing faster than I was thinking . Nice catch though.
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Old 04-29-2008, 01:26 PM
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HUGE HUGE LIST.

Where to start?

1)Turbo
2)Injectors
3)Intercooler
4)Transmission
5)Rods (depending on year)
6)Axles
7)Fuel System
8)HPOP
9)IDM (depending)
.......................................

There is TONS more for that list.

Alot of parts will transfer from SD to OBS. but not much the other way around.

The Complete list is VERY long.
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Old 04-29-2008, 02:22 PM
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The base engine is basically the same and I think is interchangeable, its all the stuff that’s bolts onto the engine and the truck that is different.
Biggest parts that come to mind is;
Injectors,
Intercooler
Turbo
Fuel pump
Rest of the truck

Of course you got breaks in the years too, most notably the early 99 which is kind a bastard child. But I like mine cause I dare to be different.
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