What is the best pcm flash - Diesel Forum - TheDieselStop.com
'99 & up Upgrades and Aftermarket - 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

 
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post #1 of 5 (permalink) Old 02-26-2017, 12:19 PM Thread Starter
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Question What is the best pcm flash

I've had my 7.3 for around 18 years now. Back in 2003 the dealer flashed the PCM because it kept blowing transmissions. They said it was the same code as what they ran in the Excursions. It felt like I lost power after that. What is the best OEM program for my? The truck only has around 160k on it. I do 3500 mile oil changes. I run an Air Dog, OEM upgraded extreme duty air cleaner, ATS turbo ported intake, TS Performance 4 position chip and ATS stage 4 trans.

99.5 F350, BD Dyno 318/748. ATS 4R100 stage4 trans with Commander lockup controller, ATS compressor housing. EBP delete fix, Over boost fix, TS 4 position chip 50 75 100 and 140 hp, Hypermax 5" exhaust and three gauge pillar set tranny temp pyro and boost. Extreme Duty air cleaner Air Dog intank repair kit 8" Kodiak Sidewinder electric steps, 18k Reese signature series hitch Rear 2500lbs air bags with on board air and dash gauge controler.

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post #2 of 5 (permalink) Old 02-28-2017, 05:53 AM
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I would say the VDH-4


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post #3 of 5 (permalink) Old 02-28-2017, 05:54 AM
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I had the VDH-5 which was the latest and didn't like it either. Lost power and economy. I don't like the shifts either with the VDH-5


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post #4 of 5 (permalink) Old 03-01-2017, 07:42 PM
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Originally Posted by ROADKILL View Post
I've had my 7.3 for around 18 years now. Back in 2003 the dealer flashed the PCM because it kept blowing transmissions. They said it was the same code as what they ran in the Excursions. It felt like I lost power after that. What is the best OEM program for my? The truck only has around 160k on it. I do 3500 mile oil changes. I run an Air Dog, OEM upgraded extreme duty air cleaner, ATS turbo ported intake, TS Performance 4 position chip and ATS stage 4 trans.
I am assuming you have a Cali truck with the Glow Plug Control Module (GPCM)? If so, the best stock tune would probably be NMC1.

However, if you are running a TS chip, it is overriding whatever flash you have on the PCM.

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I would say the VDH-4


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Originally Posted by CAREYBO View Post
I had the VDH-5 which was the latest and didn't like it either. Lost power and economy. I don't like the shifts either with the VDH-5


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Looks like he has a 99, so VDH would not work on his PCM.

He is also in Cali so the truck is likely a Cali model. Another reason VDH would not work for him.

VDH is for 02-03 Federal Auto trucks only.
post #5 of 5 (permalink) Old 03-02-2017, 08:55 AM
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FYI aftermarket tuning completely overrides whatever is on the Pcm.

The stock tune sucks. Trans shifting is too soft.
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