The 7.3 was an excellent engine. from 99 untill they stopped using the 7.3 in 2003 was the best simply because they were intercooled.. Before 99 the 7.3 was not inter cooled, this caused a little more problems with exhaust tempurature.. but a good engine over all.. the 6.0 from 2003 to 2007 was not very good.. the 6.4 was very good but hard on fuel.. but your question was the 7.3 thats a pretty good engine, built by international/navistar...
Ratings of 7.3L Powerstroke Diesel
Discussion in 'Trucks [ Eighteen Wheelers ]' started by The Challenger, Feb 13, 2012.
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The Challenger Thanks this.
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6.4's, despite looking like a nightmare to work on, and are a nightmare to work on is the best diesel Ford has had in a pickup. -
We just pulled a 7.3 out of an ambulance with over 625k on it. Original motor, never overhauled. Plenty of new injectors, hpop, etc. It still runs, but the front cover is cracked, leaking diesel from the hpop.
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Mastertech Staff Leader / Admin Staff Member Administrator
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We have quite a few ford trucks and international medium duty trucks with the 7.3 turbo and non-turbo engines with 400,000+ miles that are still going strong, like everything else good maintenance means a lot. The earlier model, the 6.9 was a good engine as well in my opinion. As far as ford buying the 7.3......? never happened.
Jim -
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I had a 6.9 in a '85 E-350 cutaway (with a 14' box)... bought it at 125k with low oil pressure for $1300.00 at a Green Bay Ford truck dealer... they didn't want to mess with it.
I did...
I went to NAPA and bought a new oil pressure switch and saw 50# on the gauge... up from about 10#... that truck never had much power but it ran great for several years. -
7.3 IDI and 7.3 Powerstroke don't share anything but displacement. Both are great classic pickup engines. I'm trying to buy one now. Just gotta find one with a body around it that doesn't have much rot. The 6.0 is a beast for pulling and economy and emissions but an absolute nightmare for reliability. I just sold mine. It's hard to tell about the 6.4 because the production run was short. The 6.7 is too new to tell yet.
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I have a 96 f250.mines at 285k and runs like a top. Got a programmer, full 3" down pipe to straight 4", 4" air intake with a big ol filter. On 35s with the stock 3.55s in the rear. Pulls anything ive ever hooked to it, will come outta the hole well, and plenty fast enough to get me a ticket. The 94.5 to 97 are my favorite. Love that body truck and the fact i have no intercooler. Very wide open and clean under the hood ; easy to work in it.
Now the 94.5 to 97s had 90cc injectors factory(97 cali got 120cc split shots). 99 to early 03 all had 120cc inj factory with the 99 to early 01 having factory forged rods and then on got powered metal rods. Also 00's on had the best hpop.
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