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

90 - 91 chip

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Old Apr 2, 2003 | 11:26 AM
  #1  
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From: Thomaston GA
Default 90 - 91 chip

Was wondering if these two years use the same chip ? Also looking for a tuner in GA Thanks !
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Old Apr 2, 2003 | 06:26 PM
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Default Re: 90 - 91 chip (awsumm)

I know it would work in either.. not sure if the program is exactly the same, but they should be interchangeable
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Old Apr 3, 2003 | 05:46 PM
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awsumm
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From: Thomaston GA
Default Re: 90 - 91 chip (awsumm)

Can anyone help on the difference on these two chips? Thanks !
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Old Apr 3, 2003 | 07:48 PM
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Default Re: 90 - 91 chip (awsumm)

http://www.cruzers.com/~ludis/p4xref.html#1227165
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Old Apr 4, 2003 | 07:55 AM
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Default Re: 90 - 91 chip (awsumm)

They are interchangeble.
Will be some minor changes in some parameters but not enough that you would know without downloading the bins and comparing them.

You DO need the MemCal from the same type car/engine.
ie; a V6 MemCal WILL NOT work on a V8 Camaro/Corvette.
It also CANNOT be reprogrammed to work correctly.
So just make sure what you are getting the ECM/MemCal from has the same number of cylinders as what you want to use it on.


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Old Apr 12, 2003 | 03:28 PM
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From: VillaPark,IL U.S.A. IL
Default Re: 90 - 91 chip (VetNutJim)

Anyone have a part # for this chip/ memcal???

Thanks
Chuck :flag
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