'93 7.3 Compatibility Question
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Laughing Gas
Joined: Oct 2012
Posts: 872
Likes: 18
From: Jasper, Mn
'93 7.3 Compatibility Question
Hey guys, I found a 99 Super Duty with the 7.3 and ZF6 in it. Problem is it hydrolocked and it also dumped all of its water into the oil pan so the engine needs a full rebuild minimum. The guy can get a hold of a running driving '93 7.3 and was willing to make me a deal.
I'm curious how compatible this setup would be. Am I right in thinking that the
'93 7.3 is considerably different than the 94.5 and up (powerstroke) 7.3s? What would be your expert opinions on mating a '93 7.3 with a '99 Super Duty?
Thanks for your time,
Baatzy
I'm curious how compatible this setup would be. Am I right in thinking that the
'93 7.3 is considerably different than the 94.5 and up (powerstroke) 7.3s? What would be your expert opinions on mating a '93 7.3 with a '99 Super Duty?
Thanks for your time,
Baatzy
Lead Driver
Joined: Apr 2008
Posts: 6,938
Likes: 13
Well, for the most part, it will bolt in. IDI wont take anything to wire up to make work, but you will have to pull sensors out of the stroker to put in the IDI (how i would do it anyway) to make your gauges work. Might need a fuel pressure regulator also.
Gotta be easier than putting a 7.3 in place of a V10, which has been done.
Gotta be easier than putting a 7.3 in place of a V10, which has been done.
Logistics Pro
Joined: Jul 2012
Posts: 3,602
Likes: 132
From: Centerville TN
There is at least one thread here about getting a ZF6 bolted to an idi. I think it would be awesome to see a 99 with an idi. You would already have an intercooler for a turbo setup too!
Thread Starter
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Laughing Gas
Joined: Oct 2012
Posts: 872
Likes: 18
From: Jasper, Mn
I will be honest, I haven't spent a whole lot of time looking into this, partly because the guy only told me of the deal yesterday.
It sounds like it is fairly doable but how would it compare to a powerstroke version of the 7.3? I have absolutely no experience with the IDI, which I am assuming this 93 is, correct? I like my '01 powerstroke and I have heard that IDIs will pull a house down all day long as long as you want, but they've never heard of get up and go. Is this true? How different is the IDI from the powerstroke?
Thanks for the help so far,
Baatzy
It sounds like it is fairly doable but how would it compare to a powerstroke version of the 7.3? I have absolutely no experience with the IDI, which I am assuming this 93 is, correct? I like my '01 powerstroke and I have heard that IDIs will pull a house down all day long as long as you want, but they've never heard of get up and go. Is this true? How different is the IDI from the powerstroke?
Thanks for the help so far,
Baatzy
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Laughing Gas
Joined: Oct 2012
Posts: 872
Likes: 18
From: Jasper, Mn
I'm getting set up to learn something here. 
IP, injection pump?
Forgive me for this basic question but how is an IDI 7.3 different from a "Powerstroke" 7.3? If you have a link to something I'd be happy to read up.
I am thinking there are considerable differences and I am not sure I want to have two mechanically different 7.3s running around my stables.
Thanks for your time again,
Baatzy
IP, injection pump? Forgive me for this basic question but how is an IDI 7.3 different from a "Powerstroke" 7.3? If you have a link to something I'd be happy to read up.
I am thinking there are considerable differences and I am not sure I want to have two mechanically different 7.3s running around my stables.
Thanks for your time again,
Baatzy
Logistics Pro
Joined: Jul 2012
Posts: 3,602
Likes: 132
From: Centerville TN
Ip-injection pump. The powerstroke is electronically fired the idi is mechanical. There are several differences. The idi is cheaper and easier to maintain plus simple.
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Fleet Owner
Joined: Jul 2006
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From: Mi'kma'ki
doesn't seem worthwhile.if your going to have the latter diesel truck,then you might as well keep the much more powerful engine in it.they cant be that hard to source.
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Laughing Gas
Joined: Oct 2012
Posts: 872
Likes: 18
From: Jasper, Mn
Not that hard to source, just a case of a guy trying to get rid of a truck and make me a good deal. He first thought it was a '96 with the good engine, then made some calls and figured out it was a '93. I wanted to see if it was possible, but I am beginning to agree with you, having and IDI Super Duty just is not something I'm interested in.
I wanted to make the guy a good deal but I don't think it's worth it to me. If anything this would now be a parts truck for me.
Thanks for the time guys,
Baatzy
I wanted to make the guy a good deal but I don't think it's worth it to me. If anything this would now be a parts truck for me.
Thanks for the time guys,
Baatzy
Fleet Owner
Joined: Jul 2006
Posts: 20,351
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From: Mi'kma'ki
well if you had an idi engine already i suppose,but if you go and buy a running '93 idi truck,why not just run the '93 idi truck instead, if the '99 truck isn't worth another psd why would it trump just running the '93?
id want to be the other way around if anything.a 275hp/500 ft lb psd in a classic truck.
id want to be the other way around if anything.a 275hp/500 ft lb psd in a classic truck.
Fleet Owner
Joined: Jul 2006
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From: Mi'kma'ki
now it makes good sense.yup.go for it.just don't expect to make money on it with the time involved.you'll have a good old truck to keep running still.sure beats parting it out.problem with the idi's is though,especially older ones not properly cared for,is the fuel system is medium ware and an ip reman and set of injectors,then having it properly timed will set a back around a grand alone.but if it's "running" i guess it works.just don't expect it to get along anywhere near like it did when new and if it's n/a, expect it to have less than half the power it did with it's original powerplant.
if it were me,id take the '93 truck.scrap it.sell the good engine.take the $ from both and put it towards a good used psd to bolt back in the '99 truck..........but you could go either way depending on how good you are with a wrench i guess.
if it were me,id take the '93 truck.scrap it.sell the good engine.take the $ from both and put it towards a good used psd to bolt back in the '99 truck..........but you could go either way depending on how good you are with a wrench i guess.
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Laughing Gas
Joined: Oct 2012
Posts: 872
Likes: 18
From: Jasper, Mn
That's one issue, no idea on the '93's history and its an IDI. I don't know if its worth the money and my time to build a Frankenstein '99 IDI. My plan was to fix up the truck and keep it if I really liked it, or sell it if it didn't hold up to exactly what I wanted.From what I am reading I don't know that I would be happy with the IDI after getting used to my powerstroke, and I don't know that I would have any luck selling a Frankenstein truck...
The truck I found is about 400 miles away from home so I don't know if there would be any money in buying it and parting it out and scrapping it. By the time I drug it home and put the time in to pulling it apart I think it would be a wash.
My thoughts now are to talk to the guy and tell him that it is possible to put the 93 7.3 in the 99 truck, but that I am not interested in that. See if maybe he wants to sell me the truck and tore down engine for parts, on the cheap.
Baatzy
The truck I found is about 400 miles away from home so I don't know if there would be any money in buying it and parting it out and scrapping it. By the time I drug it home and put the time in to pulling it apart I think it would be a wash.
My thoughts now are to talk to the guy and tell him that it is possible to put the 93 7.3 in the 99 truck, but that I am not interested in that. See if maybe he wants to sell me the truck and tore down engine for parts, on the cheap.
Baatzy
Logistics Pro
Joined: Sep 2007
Posts: 3,737
Likes: 179
From: Western Mass
One thing to note, depending on your state, dropping an older engine into a newer vehicle could cause it to fail emissions/inspection. Granted diesels can sometimes get around emissions, but if they plug in to an OBDII port as part of the inspection process you'd pretty much be screwed.
YMMV, but I don't think this would be a legal swap here in Massachusetts for that reason.
YMMV, but I don't think this would be a legal swap here in Massachusetts for that reason.
i ain't rite
Joined: Mar 2005
Posts: 65,469
Likes: 5,534
From: Marlboro Mental Hospital.
the only thing the IDI has in common with the powerstroke is the 7.3 displacement. no parts interchange.
and you would be taking a 275 hp electronic controlled engine out, and be putting a 185 hp mechanical engine.
so besides it being a total dog, it will be a nightmare getting all the gauges to work.
i would just look for a running powerstroke engine and leave the
IDI for someone with an older truck.
and you would be taking a 275 hp electronic controlled engine out, and be putting a 185 hp mechanical engine.
so besides it being a total dog, it will be a nightmare getting all the gauges to work.
i would just look for a running powerstroke engine and leave the
IDI for someone with an older truck.