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 Tunercat definition file

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Big Jack



Posts : 42
Join date : 2016-09-07
Age : 23
Location : Halifax, Nova Scotia, Canada

PostSubject: Tunercat definition file   Tue Jun 13, 2017 11:55 am

Hi guys,

I was wondering if anyone's got the Tunercat "$EE" definition file for the LT1?

Tunercat wants $20 for it, but I've heard there can be a delay in getting it.

I'll paypal to offset your purchase cost.

Thanks
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atlantadan



Posts : 218
Join date : 2011-12-07

PostSubject: Re: Tunercat definition file   Tue Jun 13, 2017 12:10 pm

I purchased one from TC and there was maybe an hour delay between payment and getting the dload. I don't think the files can be shared as they're coded to each individual download and payee. I mean, there's a hacker for everything, but I'm not aware of a good, free $EE specific to the b-body for TunerCat.

There is one available for TunePro that's free, as is TunePro itself.
[You must be registered and logged in to see this link.]

I use TunerPro to make/adjust the bin, and then use WinFlash to burn it.
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jasonlachapelle

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Posts : 995
Join date : 2011-01-24
Age : 33
Location : CFB Bagotville, QC.

PostSubject: Re: Tunercat definition file   Tue Jun 13, 2017 1:28 pm

yeah for obd1, I just use tunerpro. Not as user friendly as tunercats though. You must use category view and enable tooltips to use this definition properly. You also have to use excell spreadsheets for calculating tire parameters, etc. Not the end of the world, but maybe 20$ is worth it for tunercats if you don't mind spending the 20$.


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sherlock9c1



Posts : 1970
Join date : 2009-05-28
Location : Huntsville, AL

PostSubject: Re: Tunercat definition file   Tue Jun 13, 2017 3:08 pm

If you're not really technically savvy with fuel injection theory, just spend the $20 and you'll get a copy within hours.

The last time I tuned I used a combination of TunerCat and TunerPro for the same reason as Jason mentioned. There are LT1 geniuses working on updates to the TunerPro definition but it's a whole different world than just "add a little fuel and a few degrees timing to jazz it up."
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andy caprice

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Join date : 2013-04-23
Location : Finland

PostSubject: Re: Tunercat definition file   Wed Jun 14, 2017 3:36 am

I've used this definition file for TunerPro:
[You must be registered and logged in to see this link.]

Also, the eehack is an intresting tool for logging, analyzing and flashing. Not as visual as Datamaster (which seems to be discontinued  Shocked ), but can do other things, as test some changes real time:
[You must be registered and logged in to see this link.]
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sherlock9c1



Posts : 1970
Join date : 2009-05-28
Location : Huntsville, AL

PostSubject: Re: Tunercat definition file   Wed Jun 14, 2017 10:45 am

eehack is the best thing out there for OBD1 LT1s. Used properly, it reduces tuning time from days to hours. But you had better know what you're doing before you go jacking with stuff.
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atlantadan



Posts : 218
Join date : 2011-12-07

PostSubject: Re: Tunercat definition file   Wed Jun 14, 2017 10:54 am

Too bad eeHack doesn't work reliably on all b-bodies. I've had two cars now that have to have numerous fuses pulled just to get it to function, and even then it was super buggy and unreliable.
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phantom 309

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Join date : 2008-12-28
Age : 107

PostSubject: Re: Tunercat definition file   Wed Jun 14, 2017 10:32 pm

Ee hack works great on the caddy and the orange car
Forcing lean afr is nteresting
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sherlock9c1



Posts : 1970
Join date : 2009-05-28
Location : Huntsville, AL

PostSubject: Re: Tunercat definition file   Thu Jun 15, 2017 9:19 am

Atlantadan have you tried different PCMs, laptops or cables?
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atlantadan



Posts : 218
Join date : 2011-12-07

PostSubject: Re: Tunercat definition file   Thu Jun 15, 2017 9:50 am

sherlock9c1 wrote:
Atlantadan have you tried different PCMs, laptops or cables?
Yessir. SteveO is aware of the problems some b-bodies have with the program. Depending on the year, sometimes half-year of the car, there are things that ride on-top of the ALDL signal and it confuses eehack. Pulling the ABS, SLS, and airbag fuses will get it to be stable enough to use and log, but the log will have errors in the stream. You can set the program to ignore them, but they're there. I used eehack once to flash, and it errored halfway through. In its defense, it picked back up and continued the flash without issue - but that was enough to scare me off of flashing with it. Especially since I own Winflash and TC.
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Big Jack



Posts : 42
Join date : 2016-09-07
Age : 23
Location : Halifax, Nova Scotia, Canada

PostSubject: Re: Tunercat definition file   Thu Jun 15, 2017 10:23 pm

Maybe I should have well let things be.
I used winflash to read the bin off the PCM & saved it.
I made a copy of that bin & made some minor changes (set normal mode shift time to 0 & fuel shut off speed to 150 mph). I tried to write the new bin to the PCM. It errored about 3/4 way thru.
So I tried to re-write he stock bin back to the PCM, it errored 3/4 way thru.
Now, at key on, engine off the electric cooling fan runs.
I can start the engine & drive the car but "Service Engine Soon" light is on & transmission definitely isn't working right.
It the PCM "bricked"? can it be saved?
HELP
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jasonlachapelle

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Join date : 2011-01-24
Age : 33
Location : CFB Bagotville, QC.

PostSubject: Re: Tunercat definition file   Sun Jun 18, 2017 7:05 pm

What program did you end up using ?

I didn't think anything would let you set the shift time to 0.

If my spare obd1 pcm were with me on the east coast I'd be happy to send it to you,but it's on the west coast.

Pretty sure a bricked pcm won't let you start the car.  Both fans on is a bad sign though, you messed up the program, but I think your PCM might be salvageable.   Check to make sure you don't have a break in the pink wire the Blue connector Pin 9 (D9). This pin is PCM power running from Fuse 15 in the drivers side dash.


Last edited by jasonlachapelle on Mon Jun 19, 2017 3:30 am; edited 1 time in total
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atlantadan



Posts : 218
Join date : 2011-12-07

PostSubject: Re: Tunercat definition file   Sun Jun 18, 2017 7:17 pm

If the car will start and run, the PCM is not bricked, but the program you flashed to it may be jacked. I'd wager a guess it was due to something chattering in the background while the flash was happening. With a wagon, pull the underhood fuse for self leveling suspension. On the inside fuse panel, pull the fuses for airbag and AC/DRL. (15 & 20 in the Caprice wagon). That should give you a clean ALDL path for reading & flashing.

Give it another shot with the fuses pulled, and your laptop plugged in and antivirus programs OFF. And go ahead and buy a spare PCM.
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Big Jack



Posts : 42
Join date : 2016-09-07
Age : 23
Location : Halifax, Nova Scotia, Canada

PostSubject: Re: Tunercat definition file   Sun Jun 18, 2017 8:37 pm

jasonlachapelle wrote:
What program did you end up using ?

I didn't think anything would let you set the shift time to 0.

If my spare obd1 pcm were with me on the east coast I'd be happy to send it to you,but it's on the west coast.

Pretty a bricked pcm won't let you start the car.  Both fans on is a bad sign though, you messed up the program, but I think your PCM might be salvageable.   Check to make sure you don't have a break in the pink wire the Blue connector Pin 9 (D9). This pin is PCM power running from Fuse 15 in the drivers side dash.

I used winflash to read stock bin from PCM, Tunerpro to modify bin & winflash to (attempt to) write to PCM.
There are tables for shift times in "normal" & "performance" modes. All times in "performance" mode are 0, "normal" mode are non-zero. Since the RMW has no "performance" mode, I changed all the "normal" mode table values to 0.

I've got a replacement PCM on the way from another member.
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Big Jack



Posts : 42
Join date : 2016-09-07
Age : 23
Location : Halifax, Nova Scotia, Canada

PostSubject: Re: Tunercat definition file   Sun Jun 18, 2017 8:51 pm

atlantadan wrote:
If the car will start and run, the PCM is not bricked, but the program you flashed to it may be jacked. I'd wager a guess it was due to something chattering in the background while the flash was happening. With a wagon, pull the underhood fuse for self leveling suspension. On the inside fuse panel, pull the fuses for airbag and AC/DRL. (15 & 20 in the Caprice wagon). That should give you a clean ALDL path for reading & flashing.

Give it another shot with the fuses pulled, and your laptop plugged in and antivirus programs OFF. And go ahead and buy a spare PCM.

I've tried reflashing the stock bin, but the laptop can no longer communicate with pcm
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jasonlachapelle

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Join date : 2011-01-24
Age : 33
Location : CFB Bagotville, QC.

PostSubject: Re: Tunercat definition file   Tue Jun 20, 2017 9:48 pm

do you have 2.56 gears ?
I have a tweaked 95 tune for 2.56 gears and 87 octane, with optimized shifting for the 2.56.  I put 2nd gear start back in and lowered the fan turn on temps. Can't remember what tire diameter I put in but you can adjust it to whatever you want.

Pretty sure it has ECC functionality, but it was in a caprice so not 100% sure.
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