1990 F350 7.3 Performance Question - 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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Old 09-05-2013, 10:11 AM
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1990 F350 7.3 Performance Question

Hi;

I'm new to this forum, & have a few 7.3 diesel questions.

I'm considering buying a 1990 Ford F350 van with a very low mileage 7.3 diesel for use taking 2 vintage racing motorcycles (about 300 lbs each) to the track on race days. The truck will probably carry 2 people plus a maximum of about 1,000 lbs of tools, supplies & spare parts.

Can anyone give me a rough idea about what kind of highway performance I can expect from this (non-turbo) rig.. Approx what's the fastest highway cruising speed I can achieve without putting any undue strain on the motor, (probable speed range: from _____mph to ____mph would be fine) & what kind of fuel mileage should I expect?

With good maintenance, how many miles do these motors go before needing a full overhaul, & what does one cost?

Is it possible & practical to convert it to a turbo, & if so, which kind of performance gain could it yield, and what might such a conversion cost?

Any suggestions on post purchase preventative maintenance routine to ensure maximum economy & reliability would be most appreciated...

Thanks

Frank

Last edited by Swemson; 09-05-2013 at 10:14 AM.
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Old 09-05-2013, 11:45 PM
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i get between 17 and 20 mpg with mine, and i can haul a loaded stock trailer with it, and mine does 70 just fine, but 60 would probably be best, and i wouldnt bother with a turbo, they arent cheap
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Old 09-05-2013, 11:46 PM
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oh and mine has 358,xxx miles on it and it still runs like a top
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