How to turbo 1990 7.3L IDI? Questions. - 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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post #1 of 9 Old 09-26-2010, 07:11 AM Thread Starter
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Red face How to turbo 1990 7.3L IDI? Questions.

Im considering buying a 1990 F350 7.3L Diesel IDI as my first truck. thing is, those trucks arn't turbo. I'd like to drop a turbo in and produce about 8LBS of boost. I understand anything under 12PSI is considered safe by many.
Now, the real questions before i buy the truck are:
Can i put any turbo on the truck? (Found one off a wrecked 97 cummins and a Jetta TDI.) would those work with the IDI engine?
Im kind of a noob to trucks and espically IDI, the 1990 F350 is like 3 years older then me, lol.
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post #2 of 9 Old 09-26-2010, 08:57 AM
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I dont know if those turbos will fit but they make kits for them. Search for a banks sidewinder. Thats one of the kits. Theres also an ATS and a hypermax turbo system.

Austin



1997 f250: mbrp 3in downpipe to 4in side dump exhaust, diy 6637 intake, tony wildman custom tuned ts 6pos chip, wicked wheel 2, rough country 4in lift, led interior lights, led dash lights, explorer overhead console, LED tail lights, dual trans coolers, SD fog lights, 08 rear diff cover, diy efuel, more little things
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post #3 of 9 Old 09-26-2010, 09:03 AM
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IMO if you want a turbo diesel Ford, save yourself the time and aggravation and just buy a 94.5+ PSD....especially if you have no idea what ur doing. Cummins and Volkswagen turbos will not work.


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Mine - 94.5 F250 ZF5: Basics w/a few extras, DIY bumper, steps and exhaust, AFEII, D60, PMF 2.25 RSK, V-codes
Hers - 04 GM 2500 CCSB 4x4: LB7, EFI Live by KW, 2" Lift, MBRP 4" dp back
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post #4 of 9 Old 09-26-2010, 10:55 AM Thread Starter
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yeah, i'll probably buy a 94+. I was even thinking about doing a cummins twin turbo swap on it, but meh rather get a newer truck anyways.
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post #5 of 9 Old 09-27-2010, 07:09 PM
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IDI's are much simpler to work on, I would say they are a BETTER starting truck than a PSD, easier to diagnose problems and learn the mechanics of a vehicle. All the PSD guys are going to steer you towards PSD's anyways

Anyways you can buy a turbo kit, and I would leave it at that. Fabricating your own turbo is hard work. An HX35 turbo (off that 97 cummins) WILL work, about the same a stock turbo that comes with one of the kits, its just you would have to fab the whole thing. TDI turbo's are waaaaaay to small.

-Justin-
1985 Ford F-250 with a 6.9 IDI/T-19 4speed 4x4
Paint, Eagle Alloys, Kelly Safari TSR's, ATS turbo, gauges

2004 Jetta TDI 5 speed
2004 2wd Excursion Limited 6.0. Testing how loyal I am to Ford
1997 Passat B4V TDI. 1 of 80 imported in 97. 50 MPG and a factory 25 gallon fuel tank!
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post #6 of 9 Old 09-27-2010, 08:37 PM
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Quote:
Originally Posted by FordGuy100 View Post
IDI's are much simpler to work on, I would say they are a BETTER starting truck than a PSD, easier to diagnose problems and learn the mechanics of a vehicle. All the PSD guys are going to steer you towards PSD's anyways

Anyways you can buy a turbo kit, and I would leave it at that. Fabricating your own turbo is hard work. An HX35 turbo (off that 97 cummins) WILL work, about the same a stock turbo that comes with one of the kits, its just you would have to fab the whole thing. TDI turbo's are waaaaaay to small.
That's what I meant when I said it wouldn't work.

Can't say i agree that they are better starting tho lol.


-JJ-

Mine - 94.5 F250 ZF5: Basics w/a few extras, DIY bumper, steps and exhaust, AFEII, D60, PMF 2.25 RSK, V-codes
Hers - 04 GM 2500 CCSB 4x4: LB7, EFI Live by KW, 2" Lift, MBRP 4" dp back
Backup - 98 GM 1500 ECSB 4x4: 6.5, straight pipe, K+N filter, 495km w/original pump, trans & t-case
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post #7 of 9 Old 09-28-2010, 09:25 AM
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I think he means a better truck to start learning with. If I'm correct the older International school busses used a turbo 7.3 idi.....
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post #8 of 9 Old 10-03-2010, 06:59 AM
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I'm sure some buses had the turbo IDI buy many had the N/A version. It's kinda like having to work on an old carb. Small block chevy vs an LSI. Same basic principles but we know which one us easier to learn on.

-Justin-
1985 Ford F-250 with a 6.9 IDI/T-19 4speed 4x4
Paint, Eagle Alloys, Kelly Safari TSR's, ATS turbo, gauges

2004 Jetta TDI 5 speed
2004 2wd Excursion Limited 6.0. Testing how loyal I am to Ford
1997 Passat B4V TDI. 1 of 80 imported in 97. 50 MPG and a factory 25 gallon fuel tank!
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post #9 of 9 Old 10-03-2010, 01:25 PM
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Sorry man. You meant the IDI is better engine to start learning diesel with right? I thought you meant they are better starting like when you turn the key lol


-JJ-

Mine - 94.5 F250 ZF5: Basics w/a few extras, DIY bumper, steps and exhaust, AFEII, D60, PMF 2.25 RSK, V-codes
Hers - 04 GM 2500 CCSB 4x4: LB7, EFI Live by KW, 2" Lift, MBRP 4" dp back
Backup - 98 GM 1500 ECSB 4x4: 6.5, straight pipe, K+N filter, 495km w/original pump, trans & t-case
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