LT1-LT4 Modifications 1993-97 Gen II Small Block V8

How to install a 93 chip

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Old Feb 26, 2012 | 10:50 PM
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Default How to install a 93 chip

I have a 93 z28 and was thinking about ordering a chip for it, but i do not want to get my self in over my head. Can anyone give me a run down of how to do it or maybe some pics of how to? Any help is appreciated it. Need a little more out of the ol LT to beat my buddies stang.
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Old Feb 26, 2012 | 10:56 PM
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Originally Posted by 93z28lt1
I have a 93 z28 and was thinking about ordering a chip for it, but i do not want to get my self in over my head. Can anyone give me a run down of how to do it or maybe some pics of how to? Any help is appreciated it. Need a little more out of the ol LT to beat my buddies stang.
It is extremely simple.

Unbolt the computer (2 bolts), remove chip cover(one or two screws, i forget how many), then unclip the old chip and reinstall the new one. Computer never has to be unplugged from the car.

It literally takes 5 minutes, I had to do it a million times tweaking the tune on my 93 since I was too cheap to get the emulator for real time tuning.

Make sure you order a chip custom tuned for your mods from a reputable vendor, not just a generic premade "Power Chip".

If you want to be able to make small adjustments like disable emisisons flags or change your idle rpm, or even get into tuning yourself, Moates makes a kit that replaces the ancient UV PROM with a programmable EEPROM and a USB chip burner.
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Old Feb 27, 2012 | 12:10 AM
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Like Puck said, it is about 5 minutes worth of work. You only need a basic 1/4 drive metric socket set. Once you have the computer open, the PROM pops out via two thumb releases. GM designed it to be serviceable by the average grease monkey.
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Old Feb 27, 2012 | 12:28 AM
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Have you guys ever heard anything good about solomon from lt1pcmtuning.com ?
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Old Feb 27, 2012 | 05:37 AM
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Would you be able to send this "chip" in instead of sending the whole PCM in for mail ordered tuning?
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Old Feb 27, 2012 | 05:51 AM
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Originally Posted by mcalus
Would you be able to send this "chip" in instead of sending the whole PCM in for mail ordered tuning?
Thats the only way they tune it. Mine is sitting right now waiting for the retune from PCMforless to come tomorrow.
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Old Feb 27, 2012 | 01:23 PM
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Solomon sends you a new chip that you just install in place of the stock chip. check out his site lt1pcmtuning.com and tell me what you guys think. I would just be doing his postal power tune.
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Old Feb 27, 2012 | 02:20 PM
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What do you guys think of the Bolt-on tune from PCMforless?
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Old Feb 27, 2012 | 03:08 PM
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Originally Posted by 93z28lt1
What do you guys think of the Bolt-on tune from PCMforless?
I've ran it for over 8 years. Bolt-ons 12.82 et @ 3900 lbs.
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Old Feb 27, 2012 | 03:43 PM
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Originally Posted by Puck
It is extremely simple.

Unbolt the computer (2 bolts), remove chip cover(one or two screws, i forget how many), then unclip the old chip and reinstall the new one. Computer never has to be unplugged from the car.

It literally takes 5 minutes, I had to do it a million times tweaking the tune on my 93 since I was too cheap to get the emulator for real time tuning.

Make sure you order a chip custom tuned for your mods from a reputable vendor, not just a generic premade "Power Chip".

If you want to be able to make small adjustments like disable emisisons flags or change your idle rpm, or even get into tuning yourself, Moates makes a kit that replaces the ancient UV PROM with a programmable EEPROM and a USB chip burner.

He also has the ostrich which requires no chip burning straight tuning on the fly. I picked this route but I believe I will need a adapter as well .
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