C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

!st Time Scanner 1985 L98

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Old Apr 4, 2004 | 10:56 AM
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Default !st Time Scanner 1985 L98

What is the best scanner software to use for a 1985 with the stock ECM using a IBM 600E with Win98 and does anyone have a clear detailed pic of the cable I am not good at reading Shematics ...Thanks Von
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Old Apr 5, 2004 | 01:08 PM
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Default Re: !st Time Scanner 1985 L98 (Vonstarr)

What is the best scanner software to use for a 1985 with the stock ECM using a IBM 600E with Win98 and does anyone have a clear detailed pic of the cable I am not good at reading Shematics ...Thanks Von
Well first thing you will be kinda disappointed, the 85 refresh rate is like 1 sample per 1.25 seconds! The cable it really easy to make, I'd give you a picture of mine, but its still in my 85, which is now at the forensic guys
You will have ot use a 10K pull-down resister to get the ECM to start sending data.
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Old Apr 5, 2004 | 03:12 PM
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Default Re: !st Time Scanner 1985 L98 (Vonstarr)

Best, easiest, or cheapest????

Best, and easiest would be to buy the AKM Cable adapter and Datamaster. Now, keep in mind, this is probably overkill for the 85 datastream. But, it is very easy to setup and use.

Then there is cheapest: This link is to a very simple adapter you can build
from parts at your local radio shack.

The 2 transistor adapter

Here is the ALDL Connector, 10K resistor goes between A-B, data is on E.


probably the best free software for 85 would be FreeScan at http://www.andywhittaker.com/ecu/ecu_software.htm

Free or easy, you make the call




[Modified by Topless87, 2:15 PM 4/5/2004]
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Old Apr 8, 2004 | 09:31 PM
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Default Re: !st Time Scanner 1985 L98 (Vonstarr)

Thanks alot guy i decided to go the cheap route and d/l the free scan software and should have the cable finished soon...
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Old Apr 22, 2004 | 07:09 PM
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Default Re: !st Time Scanner 1985 L98 (Vonstarr)

Hey Vonstarr how did the cable make and first time use go? I have two 85's and was excited to see this possibilty on one of my old pentium 1 thinkpad laptops for tuning the cars. Is it worth the effort? How much did the cable pieces cost.
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Old Apr 22, 2004 | 10:05 PM
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Default Re: !st Time Scanner 1985 L98 (Toymans85)

i have a friend making me the cable and have not gotten it back yet .but when i bought all the parts at radio shack i had to buy packs of 5 and ten so if it work OK i will see if i can get him to make me a couple of extras with the spare parts send me your address and i can send you one. I got a freebie on the headliner material from Jeff on this forum so time to pay it foward ...Von
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Old Apr 23, 2004 | 01:02 PM
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Default Re: !st Time Scanner 1985 L98 (Vonstarr)

Thanks so much Von! You have email. New tech toys what more could a guy want.
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Old May 5, 2004 | 01:45 PM
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Default Re: !st Time Scanner 1985 L98 (Toymans85)

When using the FreeScan software what type of cable is needed? Did I miss that on the website.

I could probably build it if I had a plan. I'm sure I'm making it too complicated
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Old May 5, 2004 | 01:50 PM
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Default Re: !st Time Scanner 1985 L98 (Vonstarr)

When I had the 85 ecm I used Winaldl. I couldn't get Freescan to work.
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Old May 10, 2004 | 04:57 PM
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Default Re: !st Time Scanner 1985 L98

When I had the 85 ecm I used Winaldl. I couldn't get Freescan to work.
Yea, Winaldl is the only thing that I got to work on my '85, an dI've tried like 6 of the freebiws off the web.

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Old May 14, 2004 | 04:57 AM
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Default Re: !st Time Scanner 1985 L98 (Vonstarr)

The cheapest option for the 85 probably WinALDL with your own cable. A more expensive alternative, but the best scan tool available for GM OBD1 vehicles is the Ease GM OBD1 scan tool. Not only will it work on your 85 Vette, it will also scan any other GM OBD1 vehicle you own. That includes Chevy/GMC Trucks, Pontiacs, Saturns, you name it. Ease works with Win 95, 98, 2000, XP, NT4. Check it out at http://www.easesim.com

Email me directly and I'll be glad to send an html write-up with a complete review of the tool using screen captures of actual scans from my 88 Z51 yellow Coupe. CF members who order directly from me get a 10% rebate of the retail cost.

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