IDI vs DI - Ford Powerstroke Diesel Forum
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post #1 of 32 Old 03-01-2012, 10:12 AM Thread Starter
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IDI vs DI

Just what it says I Wana know y'alls views indirect injection diesels vs direct injected diesels? Bored in the trucks at lunch so Gota do something
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post #2 of 32 Old 03-01-2012, 10:20 AM
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well the idi will never make as much power as the DI diesels, the combustion process is different as in where the fuel is pressurized compared to where it needs to be pressurized to optomize boost, that and the di has pcm's to monitor a butt load of sensors to get it right

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
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Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #3 of 32 Old 03-01-2012, 11:07 AM
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DI 7.3s sound better than IDI 7.3s IMO. That is all I have to contribute to this thread lol

1995 F250 ECLB ZF5 4X4:
3" DP to 4" Exhaust
Tymar Intake
CCV Mod
Valair Clutch
Gauges
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post #4 of 32 Old 03-01-2012, 11:27 AM
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A big plus for the idi no electronics needed, only takes one wire to keep it running. They can make well over 300 hp but it is a lot harder to do than with a di.

Jack

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97 F250 Xlt, built E4od, D60 swap, Baby swamps, tunes by Dp
1.0 housing w/ wwII, 203* t-stat, diy 6637, 4" exhaust
Diy intercooled, 6.0 fan, Diy 140v Idm, Isspro Ev gauges
On board air, E-fuel, 6" lift on 35's
322000 miles
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post #5 of 32 Old 03-01-2012, 12:48 PM
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Didn't Hypermax have a 1000HP IDI at one point?

1997 Ford F-350 4x4 SRW regular cab manual trans.
-Rosewood 160cc, 17*HPOP, EPBV delete, 4.10s, 315/75r16

1996 Ford F-350 4x4 SRW CCLB manual trans. CALI spec
-ATS intercooler, WW2 w/ 1.0 housing/EPBV delete, Comp 910s, SD Efuel, 3.55s, 315/75r16

2002 Ranger FX4 with manual transfer case and Alcoa's
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post #6 of 32 Old 03-01-2012, 12:54 PM
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Something like that, it was a astronomical amount of power.

Jack

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97 F250 Xlt, built E4od, D60 swap, Baby swamps, tunes by Dp
1.0 housing w/ wwII, 203* t-stat, diy 6637, 4" exhaust
Diy intercooled, 6.0 fan, Diy 140v Idm, Isspro Ev gauges
On board air, E-fuel, 6" lift on 35's
322000 miles
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post #7 of 32 Old 03-01-2012, 12:55 PM
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for an idi that is, i know DP mag is doing a very slow build on one lol

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
Quote:
Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #8 of 32 Old 03-01-2012, 01:07 PM
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The 94 that I sold last summer I'm sure was making 300hp or more, that thing would smoke (excuse the pun) my crew cab and most every other powerstroke around here on the bottom end up to about 70 mph then the powerstrokes would catch it at about 85. I couldn't get enough fuel to it at the top end without putting a bunch of money into it.

Jack

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97 F250 Xlt, built E4od, D60 swap, Baby swamps, tunes by Dp
1.0 housing w/ wwII, 203* t-stat, diy 6637, 4" exhaust
Diy intercooled, 6.0 fan, Diy 140v Idm, Isspro Ev gauges
On board air, E-fuel, 6" lift on 35's
322000 miles
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post #9 of 32 Old 03-01-2012, 01:13 PM
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mine has more bottom end rite now, not a lot at the top, i can scoot for a while till it just stops wanting to go faster lol, could be the 4.10's tho

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
Quote:
Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #10 of 32 Old 03-01-2012, 01:18 PM
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I've heard the IDI's are next to indestructable. That being said, I don't know if I'd personally own one, just cause I like lots of power

1996 F250 7.3 PSD 4x4 - "Dally"
274k miles
It's got some go fast stuff
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Sitting on 2006 F-350 axles and suspension
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