TS chip - tune differences
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Posting Guru
Joined: Apr 2010
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From: South Shore, MA
TS chip - tune differences
Is there a difference between STOCK tuning and a (PHP) chip in the "stock" setting?
How does it work? Does the "stock setting" run from the PCM or is it still running a file from the chipset?
How does it work? Does the "stock setting" run from the PCM or is it still running a file from the chipset?
Posting Guru
Joined: Mar 2011
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From: Florida
Good question. I believe the stock setting is running from the chip.
Not sure if PHP loads the same calibration for stock that was on the PCM. My previous DP supposedly had a stock file loaded that was selected from a database of all stock calibrations rather than a mirror of the PCM. Subscribed because I'd like to know what PHP does.
Not sure if PHP loads the same calibration for stock that was on the PCM. My previous DP supposedly had a stock file loaded that was selected from a database of all stock calibrations rather than a mirror of the PCM. Subscribed because I'd like to know what PHP does.
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Posting Guru
Joined: Apr 2010
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From: South Shore, MA
Maybe I don't know what I'm talking about...
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Hotshot
Joined: Jan 2011
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From: Puget Sound
Are there any significant mods to the truck, other than the tuner? My tuner had to deal with the HD4R100 transmission.
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Posting Guru
Joined: Apr 2010
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From: South Shore, MA
Negative. Just the basics; 6637, capped WG line, 4" TB with muffler.
Fleet Mechanic
Joined: Apr 2011
Posts: 1,441
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From: Marseilles IL
I believe most tuners do tweak the tuning slightly in stock mode. I am having similar issues with my new tuner I think. What is your computers PCM code? Mine is a NVK5 and my new tuner uses PMT1. I don't like it, and neither does my transmission. I'm not sure if that's the exact issue but my Trans is defiantly not happy with it.
Post Fiend
Joined: May 2009
Posts: 5,470
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From: Pea Ridge, AR
I know there are "stock" calibrations to choose from, but I am unsure what your "stock" is. For instance you may have had a NVK PCM, but your stock calibration is a PMT, those do act differently.
Butt-Head
Joined: Apr 2004
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From: Reed Point, MT
1. The "stock" setting on a TS-Performance-based chip is a full binary program on the chip. The PCM is completely bypassed.
2. The strategy of the "stock" setting will be the same strategy as the rest of the calibrations on the chip. If it weren't, the truck would stall/stumble when changing to or from "stock".
2. The strategy of the "stock" setting will be the same strategy as the rest of the calibrations on the chip. If it weren't, the truck would stall/stumble when changing to or from "stock".
Butt-Head
Joined: Apr 2004
Posts: 9,411
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From: Reed Point, MT
Yep. That's a completely different animal (pun intended) but "stock" on that chip will still be the "stock" of the strategy used for the rest of the calibrations. The "bypass" mode allows operation on the PCM's internal calibration with the chip still installed....but it can't be accessed without a key off/on cycle due to the stall/stumble that would occur otherwise. Same as the built in no-start. It can be selected, but won't actually occur until after the key is turned to the off position.