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Diesel Conversions Convert gas to diesel, or convert to a 6.2/6.5/Duramax/Cummins/Navistar/Isuzu/Perkins/Detroit/or ... diesel engine. Go here to see completed projects, works in progress, share your conversion or ask the experts.

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Old 01-07-2016, 10:02 PM
Bigdieseldreams Bigdieseldreams is offline
Join Date: Jan 2016
Location: U.S.A. Arkansas
Posts: 1
Default 97 F350 7.3 into 93 F350 7.3

I'm looking to get a 93 F350 with the 7.3 idi. It has a hole in the block. I found a powerstroke 7.3 in a 97. Will it swap out? I'm not looking to do any other swap. The powerstroke is cheap is why I'm going for it.
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Old 01-08-2016, 09:37 AM
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arveetek arveetek is offline
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Join Date: Oct 2001
Location: Granby, Missouri, USA
Posts: 2,642

Will it swap? Yes, but the Powerstroke is completely computer-controlled, and shares absolutely nothing with the IDI. They're the same displacement, and that's about it. You'll have to swap over all the electronics, ECM, throttle pedal, etc.

I would pass and look for another 7.3L IDI. The Powerstroke engine may be cheap, but will cost a lot more in the long run trying to get it functioning in your IDI chassis.

1995 K1500 Tahoe 2 door, 6.5LTD, NP241, 4L80E, 3.42's, 285/75R16 BFG K02's, Kennedy OPS harness, gauges, and TD-Max chip, Dtech FSD on FSD Cooler, vacuum pump deleted, Turbo Master, 3.5" Kennedy exhaust, F code intake, '97 air box, dual t/stats, HO water pump, Racor fuel filter, 330K miles and running strong!
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Old 01-08-2016, 09:47 AM
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DmaxMaverick DmaxMaverick is offline
Join Date: Apr 2001
Location: CA
Posts: 11,888

Welcome aboard!

Will it "fit"? Simply, yes. Cheap? No, but that's relative to how you do it. Although they share the same displacement, they are very different powertrains. You'll not only swap the engine, you'll also need to include the entire wire harness, computer (HEUI fuel injection), tranny, oil cooler, related intake/exhaust plumbing, oil cooling (critical!), and intercooler. There will be other considerations if you go north of 235 HP. If it's auto, the 93 E4OD tranny won't hold up behind the Powerstroke (it was marginal behind the IDI turbo). If it's manual, you'll want the ZF6 or NVxxxx, as well as the NV263HD/273 transfer case (if 4x4) behind the PS. Also consider a complete refresh of the remaining drivetrain (U-joints, transfer case, axle(s) service, etc.). A 30-50% power increase will take a toll on the under-rated 93 chassis.
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