94-95 LT1 tuning/flashing datalogging on CHEAP! - Chevy Impala SS Forum
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post #1 of 21 (permalink) Old 03-14-2016, 08:49 PM Thread Starter
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$EEHACK 94-95 LT1 tuning/flashing datalogging on CHEAP!

Did a search and found nothing in regard to this program being mentioned on this forum.

With a $4 usb converter off eBay + $EEHACK read/flash/datalog.
Also a very good TunerPro $EE.xdf for TunerPro .bin editing.

http://fbodytech.com/eehack-2/

Check it out.

Last edited by babywag; 03-15-2016 at 01:03 PM.
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post #2 of 21 (permalink) Old 03-15-2016, 07:04 PM
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Quote:
Originally Posted by babywag View Post
Did a search and found nothing in regard to this program being mentioned on this forum.

With a $4 usb converter off eBay + $EEHACK read/flash/datalog.
Also a very good TunerPro $EE.xdf for TunerPro .bin editing.

http://fbodytech.com/eehack-2/

Check it out.

Not but a couple of days ago, a new beta was released. Used it to log my OBD1 today.

Friggin awesome...
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post #3 of 21 (permalink) Old 03-15-2016, 08:58 PM Thread Starter
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I found the site right before purchasing my '94. Seller said CEL was on, but didn't know why.
Used it to scan for codes and monitor it on the test drive.

After I bought it, I was able to flash the pcm to later calibration, and correct the speedo.

Will be using it to tune as well.

Very nice tool to have for 94-95 LT1 owners!
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post #4 of 21 (permalink) Old 03-15-2016, 11:41 PM
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I spent a lot of time beta-testing that tool over Christmas, and it is by far the best OBD1 LT1 logging/flashing tool in existence. Among the dozens of cool features in that tool are real-time spark timing adjustment, idle speed adjustment, AFR adjustment, and tune uploads up to twice as fast as Winflash. No those aren't typos. It literally reduces LT1 drivability tuning from days to a few hours. Several folks on that forum have made tremendous progress cracking the LT1 code, which you can read about here. I think a custom LT1 OS is not far off.

That said, tuning done right takes a lot of understanding of combustion dynamics, sensors, fuel injector nonlinearities and characterization, and computer hardware and software, and if you don't have the time/energy to learn that stuff, it's far better to pay someone who does to tune your car for you. And DON'T go on there asking for a free tune. That's rude.

FYI - Greg Banish's books are a great starting point and massively helped me get going.

"The unexamined life is not worth living." - Socrates

Last edited by sherlock9c1; 03-15-2016 at 11:45 PM.
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post #5 of 21 (permalink) Old 03-24-2016, 11:31 AM
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Stumbled across $EEHack a couple of months ago, and will echo the previous posts... Great application! Saw a newer release was out, and loaded it. Haven't taken a deeper look at it yet though.

-SuperSport- ISSCA #2476
'95 Impala SS (#1,245 of 18,365) --- It's alive, but not quite complete... SLOW PROCESS!

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post #6 of 21 (permalink) Old 03-26-2016, 09:59 AM
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I downloaded this easily and it does look like a very nice easy to use tool, but I can't connect! Any suggestions? I know I have a good connection because tunerpro connects, but in EEHack I get a perpetual "connecting..." and no data.

I hope I can get past that because this looks great!

'96 BBB
'95 9C1, "Ol' Statey", ex Maine state police, programming, 4.10s, 2 1/2" exh, cut 9c1 front springs, stock SS rear springs.
'96 RMW, parts car
'94 RMW stock for now... new daily driver
'95 FWB V4P, driven for fun and for towing
'13 Dodge Charger Hemi AWD R/T Plus, wife's daily driver. I get the carbon out of it when I can.
'89 F250 Yard truck. My V8 wheelbarrow..
'86 Correct Craft Ski Nautique, 351 w/ GT40-P heads
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post #7 of 21 (permalink) Old 03-26-2016, 10:22 AM
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I assume COM ports are the same. Also, don't have any other data logging app open simultaneously.

-SuperSport- ISSCA #2476
'95 Impala SS (#1,245 of 18,365) --- It's alive, but not quite complete... SLOW PROCESS!

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post #8 of 21 (permalink) Old 03-26-2016, 11:01 AM
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It occurred to me that since winflash will not work in my RMW or my FWB, but WILL work in my 9C1, I should try EEhack in my 9C1 and see if it works in that, and as I suspected, it worked flawlessly for the few minutes I had it connected.

Just for grins I went back to the RMW and tried again. It did connect, but almost immediately disconnected, reconnected, on and on constantly reconnecting and disconnecting. Within a couple minutes I had an error count of about 1000 where I had 0 in the 9C1.

I also noticed a "debug" feature that allows me to email the results to eehack for some advice, so I will try that.

I love that cylinder strength test feature. That is cool! All about even on the 9c1 and I'm looking forward to trying it on the RMW as I suspect my #8 cyl in that one is not pulling its weight.

'96 BBB
'95 9C1, "Ol' Statey", ex Maine state police, programming, 4.10s, 2 1/2" exh, cut 9c1 front springs, stock SS rear springs.
'96 RMW, parts car
'94 RMW stock for now... new daily driver
'95 FWB V4P, driven for fun and for towing
'13 Dodge Charger Hemi AWD R/T Plus, wife's daily driver. I get the carbon out of it when I can.
'89 F250 Yard truck. My V8 wheelbarrow..
'86 Correct Craft Ski Nautique, 351 w/ GT40-P heads
'50 Century Imperial Sportsman, all original
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post #9 of 21 (permalink) Old 04-16-2016, 06:36 PM
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Running on Windows 10

Finally got this to run on my Windows 10 laptop. I saved a log but cannot open it. Getting an error message: Could not open definition file, file does not exist. Do I need to download a definition file> Can anyone help me open the data log?

I did run the cylinder test and was able to open it since it was a text file. How can I interpret this?
-
CYLDROP Memo ::
(Higher is better...)
CYL1=22.4 CYL2=24.3
CYL3=25.3 CYL4=26.5
CYL5=27.2 CYL6=26.8
CYL7=26.9 CYL8=27.2

94 RMW
Custom tune (secret tuner), Homemade RAISS, LT4 knock mod, X-pipe, Dynamax muff dumps in front of rear wheels, Gary's headlight & batt. cable, Mueller bushings, Air lift bags w/aftmkt compressor,
TB bypass, Tranny cooler w/fan, Air pump delete, Elec. fan cnvrsn, UMI LCAs, HO swaybar, Bilsteins, Vogtlands, ZQ8s, Blazer floor shift cnvrs w/twin buckets, leopard print velvet roofliner
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post #10 of 21 (permalink) Old 10-10-2016, 11:38 PM
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Is there own for 1996 Caprice Caprice LT1? I believe it's OBDII... I know the 96 differs from 94-95.... I can't find a tuner in NJ. Can anyone help?
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