IDM mods... Who has them? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 6 (permalink) Old 07-30-2007, 12:23 AM Thread Starter
<----Colin Banks
 
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IDM mods... Who has them?

I did the IDM on my 96 PSD myself and it really woke the truck up. Better respopnse down low and it rev'd out faster and farther on the top end. Of course it is only chipped with stock injectors for now. I dyno'd it with a 6 HP increase over the stock IDM but that dyno did not measure TQ on a 7.3L. I had talked to Jody about it and he said he was going to do some testing with stock and modded IDM's. I wonder if he has done that yet?

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1996 PSD F-350 crew cab 4x4, 5 speed,AB CODE CALI TRUCK- Tuned by DI

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post #2 of 6 (permalink) Old 07-30-2007, 01:36 AM
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Re: IDM mods... Who has them?

Not sure about Jody's testing.................but I do need to send mine your way!

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SOLD - 1997 F-250 HD, PSD, XLT, Off-Road Pkg., 3.55's, E4OD, 4wd, Dana 60 swap, 3" Sky RSK, 151,000 miles, Auto Meter Gauges, Tymar Intake & DP, Straight piped to twin 5" Miters, Programs by DP Tuning, Lund visor, Diamond plate bed rails and toolbox, 315/70/17's.
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post #3 of 6 (permalink) Old 07-30-2007, 01:39 AM
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Re: IDM mods... Who has them?

I was told it affects timing and with the tune I have I don't think it is wise. When I get further down the road with this deal and can ask the right people a few questions I might consider it.

97 crew cab shorty-4x4 Lots of mods .
Tuned by T Wildman
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post #4 of 6 (permalink) Old 07-30-2007, 02:28 AM
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Re: IDM mods... Who has them?

best 33cent mod ever....well, it really cost $13.79 including the 12 pack o budwieser....

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stock fuel system and baby oil, Wildman de-tuned dyno 435 rwhp (apr 07)
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post #5 of 6 (permalink) Old 07-30-2007, 03:29 AM
 
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Re: IDM mods... Who has them?

Quote:
Originally Posted by Aljay View Post
I was told it affects timing and with the tune I have I don't think it is wise. When I get further down the road with this deal and can ask the right people a few questions I might consider it.
Any timing effects are going to be so minimal, as to be almost not worth talking about. *almost*

The IDM mod on early trucks is much more noticeable, than on the later trucks. Even Ford/International saw the benefits of higher injector voltage.

They started at 100v, then 110v, and finally 120v. We are modifying them up to around 130-140v depending on which model of IDM you start with.

Unlike programming, you are actually making a PHYSICAL change to how the injector fires. The injectors take about ONE ELECTICAL HORSEPOWER to fire. Thats around 700+ watts of power.

At lower voltages, the amperage across the wires goes up, heat can be generated, power lost, the injectors dont "turn on" the way they should, and the end result is poor injection event.

If you also want to know why we preach having good batteries at startup, its because your IDM is drawing over 60 amps of power, you glow plugs are drawing upwards of several hundred amps, and so is your starter motor.

These computer controlled trucks are POWER HUNGRY.
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post #6 of 6 (permalink) Old 07-30-2007, 04:57 AM
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Re: IDM mods... Who has them?

Nice info .I have been schooled on the battery thing from way back when I had my first diesel 89 idi. Winter was tough what with the bad GPR and some water temp sensor after i fixxed those two idems truck would start without being plugged in.I recently had a discustion about modded IDMs and i do want to try it out I just need to find a good one in a bone yard . I would rather modd a bone yard one than the one on my daily. I have been doing so many little mods here lately that I have been getting the bug real bad for more.

97 crew cab shorty-4x4 Lots of mods .
Tuned by T Wildman
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