PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

P59 OS for 3bar DBW

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Old Oct 30, 2018 | 09:53 AM
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Default P59 OS for 3bar DBW

A buddy built a turbo setup for a mid 70’s Chev PU not paying attention to the harness/pcm he got with the engine. He thought it was an 0411.
So turns out the OS in his P59 only supports 2bar.

Looking for a little help finding a 3bar compatible DBW file. Don’t care about flex fuel.

I can search the HPT repository, just need a little guidance on years and vehicles.

Thanks

Ron
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Old Oct 30, 2018 | 11:50 AM
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so it's for sure a TB with one large plug?

this ought to work on that. it can do 3 bar. its set up for 5.3/60e/electric throttle
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Old Oct 30, 2018 | 01:10 PM
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I’ll aks him Doug. Maybe I’ll send you to Newberg to help him out.
😊
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Old Oct 30, 2018 | 02:26 PM
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Originally Posted by RonSSNova
I’ll aks him Doug. Maybe I’ll send you to Newberg to help him out.
😊
I'm down there fairly often helping a customer repair a fancy aluminum fishing boat that fell off his trailer on the freeway gotta try and keep my aluminum welding skills sharp
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Old Nov 12, 2018 | 11:23 AM
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Ron, I use the 2004 setup. I have several os's I can send you once I am home. In 04, gm used the same os in the vans, and the corvettes. That makes it super handy, because you can get 3 bar, dbw, dbc, 4l60, 4l80, or 6spd with flex fuel in a mix and match segment swap.
​​
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Old Nov 13, 2018 | 03:15 PM
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Thanks RP. I’ll shoot you a PM this evening.

The story got funny. He was finishing up some TIG welding on the exh and managed to smoke his pcm.
Another buddy happened to have a single P59, so I read it and it had 3 bar avail. It was a 2005 Escalade manual trans.
Anyway, it’s working now.
Really small VE table though.

He is Tuning it his own bad self.

Ron
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Old Nov 13, 2018 | 03:33 PM
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Originally Posted by RonSSNova
Thanks RP. I’ll shoot you a PM this evening.

The story got funny. He was finishing up some TIG welding on the exh and managed to smoke his pcm.
Another buddy happened to have a single P59, so I read it and it had 3 bar avail. It was a 2005 Escalade manual trans.
Anyway, it’s working now.
Really small VE table though.

He is Tuning it his own bad self.

Ron
Manual trans Escalade? That's a first for me.
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Old Nov 13, 2018 | 04:11 PM
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Originally Posted by MY_2K_Z
Manual trans Escalade? That's a first for me.
Not OEM.....
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Old Nov 13, 2018 | 07:46 PM
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Yeah, the VE tables are smaller on the 3 bar. Its a give take thing for sure. If you have a more tame cam, the tip in is not too bad to deal with. I know a couple guys who have some rowdy, large cams that are a bit tougher to deal with.
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Old Nov 13, 2018 | 08:00 PM
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A few p59 stock tunes. This will give all the transmission options, a enabled flex fuel, and both the dbc and dbw for the same OS. Obviously, you must have the IAC drivers for the DBC to work (just noting this for future use/users who may not know this)
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File Type: hpt
My 2004 Express 6.0 80E stock.hpt (259.8 KB, 177 views)
File Type: hpt
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Old Nov 13, 2018 | 08:17 PM
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what software version of HPT were those read & saved with?
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Old Nov 14, 2018 | 08:11 PM
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Thanks for the tunes Rick!

Ron
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Old Nov 19, 2018 | 06:37 PM
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Doug,
it had to have been one of the older versions. After 3.o, but before 4.0. I have not done the 4.0, and so far, REALLY don't want to. I can look more specifically if you need more than that. Just not home currently. Part of my not wanting to swap to 4.0, is the hundred some odd tunes I have saved. I don't need to go any further, it's been discussed.
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Old Nov 19, 2018 | 09:52 PM
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right on just wanted to know before I saved them to my stash. thanks bud
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Old Nov 26, 2018 | 08:55 PM
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You'll want to make sure you match the OS to the TAC module being used or it will insta-brick the PCM once you touch the throttle. Some will live and some won't.
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Old Dec 2, 2018 | 01:42 PM
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Originally Posted by LSxPwrDZ
You'll want to make sure you match the OS to the TAC module being used or it will insta-brick the PCM once you touch the throttle. Some will live and some won't.
The setup is working. The owner tuned it, and delivered it to his customer.

Ron
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Old Oct 7, 2021 | 05:46 PM
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Thanks for the info, i knew there were 3 bar os's for p59
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