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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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Old 05-28-2009, 03:35 PM   #16 (permalink)
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That's roughly what I had figured. I think I came up with around $3000 plus cost of engine. I ended up finding a good deal on another 7.3L to replace my dusted engine, but next time around I'm definitely going the 12V 5.9 route. But if you do go through with the swap, good luck and be sure to post lots of pics.
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Old 05-29-2009, 02:13 AM   #17 (permalink)
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2500 sounds low to me.... I put 3k just in parts in my 47rh in my dodge so i could turn my cummins up and not worry about it.at stock hp i twisted the stock input shaft. had a few of the e40d's over the years in different ford trucks they dont stand a chance built. manual ya need a good clutch (1200 smackers right there if ya wanna get the power out of the cummins it can put out and not scatter it every 3rd week), inter cooler and plumbing, exhaust, radiator trans the list goes on.

on the cummins swap with those gears you want to think about a governor spring kit, probably a 4k with that ya need 60# valve springs. the cummins makes all its power down low stock, (1400-2200 rpm) it will turn 2700 but starts de-fueling around 2200. 4gsk lets em fuel up to about 3700 Plus it wakes em right up. the stock 96 is not a powerhouse.if it was set up for a auto it was 180 hp 420 tq manual it was 215hp 440 tq . Can be a power house real cheap tho.
150 bucks for a gsk, they come in 3k and 4k kits. if ya get a 4k i cant over stress the importance of valve springs. 29 bucks for a fuel plate off ebay (comes with a boost elbow. throw on a BHAF(big honkin air filter) for 40 bucks and ya can be over 300 hp easy. (will need 4" exhaust). then ya gotta beef up the rest of the truck. stock auto trans or stock clutch can be blown at will. hp dont sound all that high i know but the torque that lil 5.9 makes is impressive. (I'll never sell my dodge LOL)
Its a sickness tho.....the more ya get the more ya want.
Im looking around now for a donor truck for my conversion, i have the motor but need the rest of the goodies. probably cheapest way to go is find a blown up ole dodge diesel and dog rob it. this is just a work truck im buildin so ill keep it pretty mild, 17mpg vs 10 with the idi is a real motivation for me too.

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Old 05-29-2009, 07:01 AM   #18 (permalink)
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2500 sounds low to me.... I put 3k just in parts in my 47rh in my dodge so i could turn my cummins up and not worry about it.at stock hp i twisted the stock input shaft. had a few of the e40d's over the years in different ford trucks they dont stand a chance built. manual ya need a good clutch (1200 smackers right there if ya wanna get the power out of the cummins it can put out and not scatter it every 3rd week), inter cooler and plumbing, exhaust, radiator trans the list goes on.

on the cummins swap with those gears you want to think about a governor spring kit, probably a 4k with that ya need 60# valve springs. the cummins makes all its power down low stock, (1400-2200 rpm) it will turn 2700 but starts de-fueling around 2200. 4gsk lets em fuel up to about 3700 Plus it wakes em right up. the stock 96 is not a powerhouse.if it was set up for a auto it was 180 hp 420 tq manual it was 215hp 440 tq . Can be a power house real cheap tho.
150 bucks for a gsk, they come in 3k and 4k kits. if ya get a 4k i cant over stress the importance of valve springs. 29 bucks for a fuel plate off ebay (comes with a boost elbow. throw on a BHAF(big honkin air filter) for 40 bucks and ya can be over 300 hp easy. (will need 4" exhaust). then ya gotta beef up the rest of the truck. stock auto trans or stock clutch can be blown at will. hp dont sound all that high i know but the torque that lil 5.9 makes is impressive. (I'll never sell my dodge LOL)
Its a sickness tho.....the more ya get the more ya want.
Im looking around now for a donor truck for my conversion, i have the motor but need the rest of the goodies. probably cheapest way to go is find a blown up ole dodge diesel and dog rob it. this is just a work truck im buildin so ill keep it pretty mild, 17mpg vs 10 with the idi is a real motivation for me too.
What does it take to get to the power of a PSD and if I do will I still have a chance of blowing the tranny that easily. I don't want anything crazy, just a little more power than the PSD would have.
Or let's put it this way, we have a hard time pulling grades with our 9k trailer setup... I want it to be alot easier than it is now and possibly be able to do around 12k if needed. Is it possible to get that much power and keep my E40D or do I need a stick with an aftermarket clutch??? We just got the tranny replaced so I don't want to chuck it so soon... we still have a warranty on it for 2 more years unless it becomes void with the swap.
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Old 05-29-2009, 08:53 AM   #19 (permalink)
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you can buy fuel plates thru the whole range of power.......kinda like eatin tater chips tho once ya start unlocking the power you will want more lol. Stock trans on the dodge are good to about 250 hp with out having to worry too much. just use common sense, if ya hammer it alot it wont last. converter is the big issue. the stocker twists the od clutch out pretty easy. If ya go mild it should be ok. just dont od the hills loaded.
At 17k (Truck,camper and 24' boat) i can climb snoqualmie pass in my dodge and pass cars the whole way.(70-80 mph) thats the reason i dumped a ton of money into the trans. Plus ya get that power and the stock converters just eat it up and never let it hit the ground, they just turn it to heat.
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Old 05-29-2009, 01:34 PM   #20 (permalink)
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you can buy fuel plates thru the whole range of power.......kinda like eatin tater chips tho once ya start unlocking the power you will want more lol. Stock trans on the dodge are good to about 250 hp with out having to worry too much. just use common sense, if ya hammer it alot it wont last. converter is the big issue. the stocker twists the od clutch out pretty easy. If ya go mild it should be ok. just dont od the hills loaded.
At 17k (Truck,camper and 24' boat) i can climb snoqualmie pass in my dodge and pass cars the whole way.(70-80 mph) thats the reason i dumped a ton of money into the trans. Plus ya get that power and the stock converters just eat it up and never let it hit the ground, they just turn it to heat.
What about the E40D? If it lasts with the PSD then it should last with the CTD at the same power level as the PSD, right?
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Old 05-29-2009, 05:26 PM   #21 (permalink)
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I wouldn't bother with an E4OD. In stock form, both trannies are probably about equal. That being said, there are WAY more Dodges with 500+HP with autos behind them than auto powerstrokes, therefore there are many more shops who know how to get rid of the weaknesses in Dodge transmissions. Plus, if you get a '97 (I think) and older Dodge, you get a hydraulic-only transmission (46RH). With an E4OD, you'll need computer control.
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Old 05-29-2009, 06:52 PM   #22 (permalink)
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How hard is it to bench test a motor and how long would it take to set it up? My dad is concerned that the guy might be rippin' us off and the engine is bad. How do you verify that the engine is good when your going to pick it up?
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Old 05-29-2009, 08:27 PM   #23 (permalink)
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bench testing is kinda tuff..... you can hook fuel up to er and fire it easy enuff, but even sick ones seem to sound ok at idle or no load unless they are really bad. A compression test could be done. Check the afc housing to see if some one has tampered with it . easy enuff front top bolt is a tamper proof and if someone has been in there it ill either be gone,a regular bolt installed or it will have had a torx bit driven into it.




if ya go dodge tranny ya want a 47rh, 94 and 95 (some VERY early 96's) were the only years for it but there is a bunch out there. then ya just need to hook up a lu and od switch.
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Old 05-29-2009, 09:29 PM   #24 (permalink)
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Besides the 20HP difference, what's the difference between the 94-95 and 96-98 12v's?
Is there any quality issues or anything?
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Old 05-30-2009, 12:11 AM   #25 (permalink)
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Besides the 20HP difference, what's the difference between the 94-95 and 96-98 12v's?
Is there any quality issues or anything?
They upped the hp when they went to the re is about all......tranny isnt any better than the rh, infact on the really hipo trucks they prefer the rh it can be built bullet proof. some duramax draggers are using it instead of the allison its that tough, other than that the plungers in the earlier 160, 175 pumps have been known to fail its still not very common. the 215 pumps actually retard the fuel in upper rpm range. alot of guys prefer the 180 pump because of this.
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Old 05-30-2009, 01:01 PM   #26 (permalink)
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What is RE?
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'98 Ranger 4x4 ext cab - wheelin' in the mud

John Deere 510D Backhoe - it's not a ford, but it's nice

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Old 05-30-2009, 05:23 PM   #27 (permalink)
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re is the electronic version of the 618, rh is hydraulic except for overdrive and lockup
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