looking to buy 90' F-350 - Diesel Forum - TheDieselStop.com
7.3L IDI Diesels (Not Power Strokes) 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 3 (permalink) Old 11-05-2008, 08:50 PM Thread Starter
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looking to buy 90' F-350

I'm looking to buy an 1990 F-350 4x4 lariet reg cab with right at 200,000 miles on it. Its a 5 speed and apears to well taken care of. What kind of mileage do you guys get with these IDI's, I was wondering becuase I'm gonna work out of this truck. Does a turbo and inner cooler increase mileage on these and what brand is the best /easiest to install Banks, ATS, Hypermax? Thanks for any in put. O buy the way I'm looking to pay around $3,800.00 for the truck, is that about average for this year model?

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2002 Excursion Limited, 7.3, 8'' lift, 22x14 XD Diesels"for now", 37" TOYO MT's, Garret 38R, 4'' MBRP Stainless turbo back, Bigger Inner cooler, SCT, Built Trans

SOLD-1997 F-250 XLT, 7.3 PSD, 4x4, AT, ext cab, longbed, tri coat red, stock (for now), daily driver/work truck

2003 F-250 XLT, 6.0 psd, 4x4, AT, crewcab, shortbed, silver, ordered 9-02 received 1-16-03, 8''super lift, 2.0 fox res shocks, 36" MTZ's, 20x12 XD Rock Stars, 4" turbo back t-304 silver line exhaust, 4:56 gears, polished fined diff covers, painted handles, cowl induction hood, line-X.

1989 F-250 XLT, 7.3 IDI, 4x4, AT, reg cab, 10" sky jacker, 36 Mickey-T's, 16.5x12 eagle alloys, 3" dual exhaust "no mufflers", custom paint black with camillion scallops, pioneer system ( truck was totaled, just paid for and was in mint condition in 9-02)
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post #2 of 3 (permalink) Old 11-06-2008, 10:14 AM
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Not bashing the old IDIs (I used to have one) but if you are planning on throwing a turbo and intercooler on there, I think for the same money you could have a decent OBS powerstroke.


2006 Dodge 2500 4x4 quad cab longbed 48RE SLT 5.9 Cummins, Smarty, DiPricol guages

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post #3 of 3 (permalink) Old 11-06-2008, 11:51 AM
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What kind of mileage as in fuel economy? I've seen 20mpg average on a Detroit-Chicago-Detroit trip, then I've also seen 8mpg with the big trailer behind me flying like a bat outta hell bouncing off the revv limiter in 3rd gear... All depends on how much you load it and how you drive it. As for how long you can run them - depends on maintenance, mine just rolled over 200k a few months ago (well, supposedly tis 100k, but I don't believe that), and she still hauls good, some people put well over 400k on their trucks.

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