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7.3L diesel

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Old Jan 10, 2006 | 12:35 PM
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From: Bertha Minnesota
7.3L diesel

I am considering purchasing a 1988 Ford F250 with a 7.3L diesel non turbo engine. It has 170000 miles on it. Can anybody tell me some specs on the motor like what the stander horsepower and torqe. Also how many miles are these engines good for?
 
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Old Oct 26, 2011 | 01:24 PM
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7.3 IDI of that year has 185 horsepower and 338ft-lbs of torque there good motors they should last at least 250,000 miles if beat on many more if not.
 
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Old Oct 26, 2011 | 04:12 PM
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Make sure you check the coolant for SCAs. The coolant gets corrosive over time if not changed and EATS holes in the cylinders
 
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Old Oct 26, 2011 | 05:08 PM
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Originally Posted by Diesel_Brad
Make sure you check the coolant for SCAs. The coolant gets corrosive over time if not changed and EATS holes in the cylinders
Well, technically the holes are caused by cavitation (tiny air bubbles that form and disappear, a fascinating phenomena, it affects turbines in hydroelectric dams as well), but same net result!

To the OP: check over in the 7.3/6.9l pre-powerstroke forum for all the information you need to know on that powerplant.
 
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Old Oct 29, 2011 | 08:45 AM
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What's the gas milage on those engines?
 
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Old Oct 29, 2011 | 08:51 AM
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!6 to 18 mpg. With 328000 miles.
 
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Old Oct 29, 2011 | 08:57 AM
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Originally Posted by 1987F250460
What's the gas milage on those engines?
A lot of people are getting 20mpg on the highway. My 4x4 with 300k+ miles gets 17-18 average carrying about 1000 lbs all the time. My last tank was just over 15mpg but That was in a lot of traffic.
 
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Old Oct 29, 2011 | 10:24 AM
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how do you get it to get suck great gas milage? do you have certain type of sparkplugs? do you have stock exhaust still or more free flowing exhaust?
 
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Old Oct 29, 2011 | 10:26 AM
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sparkplugs !? What is that ?
 
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Old Oct 29, 2011 | 10:27 AM
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Hmmm

Must be the sparkplugs
 
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Old Oct 29, 2011 | 10:27 AM
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glow plugs i mean sorry lol. Mine is Gas that's why.
 
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Old Oct 29, 2011 | 10:32 AM
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Just my .02. I have a 6627 air filter and did a cat and muffler delete. The engine run cooler and gets more fresh air. In the south (Mississippi) the trick is to keep it as cool as you can. That adds up to, (On my trucks), better mpg. And keep it around 2000rpm
 
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Old Oct 29, 2011 | 10:55 AM
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Originally Posted by 1987F250460
how do you get it to get suck great gas milage? do you have certain type of sparkplugs? do you have stock exhaust still or more free flowing exhaust?
We dont get any GAS mileage at all.. FUEL mileage is the answer to your question, In most circumstances, diesels use less fuel than gas engines. Adding a turbo to an IDI will improve the mpg if you're hauling.
 
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Old Oct 30, 2011 | 09:24 AM
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Originally Posted by gatormccluskey
Just my .02. I have a 6627 air filter and did a cat and muffler delete. The engine run cooler and gets more fresh air. In the south (Mississippi) the trick is to keep it as cool as you can. That adds up to, (On my trucks), better mpg. And keep it around 2000rpm
a cool running diesel is an inefficient running diesel. going to a cooler thermostat will result in incomplete combustion. you might get away with a slightly cooler thermo, but its best to keep the stocker in place, assuming that its functioning properly.
 
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Old Oct 30, 2011 | 10:19 AM
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Originally Posted by '89F2urd
a cool running diesel is an inefficient running diesel. going to a cooler thermostat will result in incomplete combustion. you might get away with a slightly cooler thermo, but its best to keep the stocker in place, assuming that its functioning properly.
Correct. The most efficient diesel is one that is operated at 1600*. The bad thing about that is, it will melt the pistons in a matter of seconds.
 
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