93 z28 6 speed help - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums

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Old 12-31-2012, 10:36 PM   #1
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Default 93 z28 6 speed help

I'm a new owner to this gen of camaro. My question is how would an obd1 ecu be tuned. I built a 383 short block with pop up pistons and I'm wanting to put some aftermarket heads also. I'm running the cc306 cam as well. What problems should I expect.
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Old 01-01-2013, 09:41 PM   #2
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Your 93 is the odd duck of the lt1 family. It is the only f-body 4th gen to have an ecm instead of a pcm. The 93 ecm has a removable chip that gets replaced by another chip that has the re tune burned into it. This can be done by you if you get a chip burner, chips to burn, program to setup the burn info on the chip, etc. Plus you will need the knowledge to make the necessary changes for peak performance of the car. It is something that most anyone can learn, but not a project you can just jump into.

In the meantime, maybe you should contact a tuner. They will discuss the mods to your car and can burn you a new chip without sending in your ecm. 2 tuners used by forum members are LT1 PCM Tuning - Welcome! and www.pcmforless.com contact them and see what they can do for you.
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Old 01-01-2013, 11:37 PM   #3
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they're a nightmare to tune, too. speed density is really unforgiving
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