What's the difference between 95,96,97 7.3s - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 05-23-2011, 09:25 PM Thread Starter
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What's the difference between 95,96,97 7.3s

Diesel newb here. I'm looking to buy a 7.3 OBS and I'm not sure if there are any major differences between the 95, 96, and the 97 motors.

Also, would you buy a 95 XLT Dually? If not, why.

Any help would be greatly appreciated!
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post #2 of 8 Old 05-23-2011, 09:37 PM
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Essentially, there are only minor changes as far as engines go, power outputs changed sightly as a result of different tuning.

The 94.5-early 95 used a High pressure oil pump that is different from later models. Using a later model pump will result in the High pressure pump supply reservoir draining out when parked. There are modified pumps and other modifications that will work around this issue.

The mid-95 and 96 engines were pretty much run-of-the-mill with no noticeable changes.

96 and 97 California models used a different PCM and wiring, utilized split-shot (pilot injection) injectors, and had a pulsation damper on the fuel pump.

1997 engines had a different oil pan, oil pickup, and front cover in an effort to reduce the "dry start" of a lack of lubrication oil being pumped. The 1997 block was also thickened and reinforced internally in an effort to reduce combustion noise.

Bill

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I still say that those Dodge mirrors have as much business on a OBS Ford as yoga pants have on a fat chick...my .02
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post #3 of 8 Old 05-23-2011, 09:38 PM
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i don't know of any differences except that the 97.5 cam sensor got changed.

if you see a light at the end of the tunnel, it's probably just a photon torpedo
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post #4 of 8 Old 05-23-2011, 09:46 PM
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if the 97 is quieter then the rest because of a thicker block my neighbors would hate if i got an older one then, mine currrently is laud as all hell, and you cant talk on a phone in front of the truck while running, everyone just complains about it ratteling and running so laud compared to other newer vehicles

-Kris-
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2000 Excursion 7.3 4x4 246k
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The stock downpipe in an OBS is flat because I'm a ginger.
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Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #5 of 8 Old 05-23-2011, 10:18 PM
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if the 97 is quieter then the rest because of a thicker block my neighbors would hate if i got an older one then, mine currrently is laud as all hell, and you cant talk on a phone in front of the truck while running, everyone just complains about it ratteling and running so laud compared to other newer vehicles
i would just tell your neighbors to deal with it. i love the sound of these trucks!

-Mike

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And you didn't know Cummins can manage 127mpg??? They also deliver babies, go to Mars, and cure AIDS. DUH
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post #6 of 8 Old 05-23-2011, 11:48 PM
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i did, and i love it too, my bro and dad keep talking bout how i drive the ups truck, and the stacks make it sound like im at a monster truck show, they are just jealous, my bro has an 01 monte carlo ss, and its just a 6 cyl, and my dad has a 2000 excursion limited with a v10, his is to quiet for my taste, and my bro, well he drives a chevy so i dont care

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
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Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
Quote:
Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #7 of 8 Old 05-25-2011, 12:02 PM
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I don't know about the 97's being quiter. I have a 97' and whenever I see another OBS, I try to compare the noise to mine. Mine always seems to be louder even though I still have the Cat and Muffler. (Soon to be removed.) I like the sound though. I just put in a high pressure crossover oil line and it seemed to smooth it out a bit. I have only had the truck for about 4 months, but love it!
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post #8 of 8 Old 02-25-2015, 07:57 AM
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i have a 95 obs and my buddy has a 97. Seems like his has way more power. Why is that. I have a t6 chip and his is stock
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