Upgrade differences between 98 and older and 99 and newer. - Ford Powerstroke Diesel Forum
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Old 02-02-2010, 05:09 PM
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Upgrade differences between 98 and older and 99 and newer.

Hi all,

I used to own a 2000 f250 with the 7.3L. Sold it due to finacial difficulties. I am looking at getting a truck again and like the older bodie styles of the pre 99 trucks. What I want to know is the differences in looking for an older truck for upgrading.

I had 4 inch exausht, diy intake, tony wildman chip, gauges on my old truck. Does this pretty much apply to the older 7.3's as well, if not what differences are there. Is the older engine more mechanical? Thanks

Brian
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Old 02-02-2010, 09:55 PM
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her are your differences

Superduty
intercooler
electrice fuel system
140cc splitshot injectors
17*HPOP
wastegated trubo
3" plenums
better downpipe, capable of 3.5 inch downpipe
4R100
most have Dana 60

OBS
90cc single shot injectors
E40D
Mechanical fuel system
15*HPOP
NO intercooler
F-250's have Dana 50 TTB
2" plenums
non-wastegated turbo
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Old 02-02-2010, 10:27 PM
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Actually super dutys can run 4" downpipes.
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Old 02-03-2010, 09:39 AM
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Quote:
Originally Posted by Zander's 5.8 View Post
Actually super dutys can run 4" downpipes.
ohhhh, i didn't know that, then why do most of the exhuat kits they sell for superduties come with 3.5 inch downpipes?
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Old 02-03-2010, 11:39 AM
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I usually see 4" downpipes. I know for sure you can run a 4" downpipe though. If it's a turbo back 4" kit, then it's a 4" downpipe.
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Old 02-03-2010, 01:37 PM
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Hmm, so if I stick to the basic upgrades it seems like there isnt a huge difference in the engine for my upgrading needs if I buy a pre 99 truck. Mainly buying another powerstroke because I like them, will be for hauling around my corvair if I go to shows and the ocasional run to the dump and to and from work.

Is not having an intercooler that big of a deal, i know the pre 99's didnt come with them, from what I have seen any way.

Thanks

Brian
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Old 02-03-2010, 01:44 PM
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Not necessarily. My 4in turbo back came with a 3.5 downpipe. Alot of it has to do with backpressure. Unless you are pushing a lot power then you don't need the 4in downpipe

Quote:
Originally Posted by Zander's 5.8 View Post
I usually see 4" downpipes. I know for sure you can run a 4" downpipe though. If it's a turbo back 4" kit, then it's a 4" downpipe.
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Old 02-03-2010, 05:22 PM
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I ordered a kit for my 97" and they accidently sent me a 99 kit that came with a 3.5" downpipe to. Thats why i was assuming most kits came with 3.5" downpipe.
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Old 02-03-2010, 06:00 PM
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ya if u get a 17* hpop and stage one injectors it compares to a superduty
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