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Absolutely not ! The injector size AND engine size have to be programmed correctly for the system to work on any fuel injected vehicles. There is no such thing as compensation for these things-the only exception to this is mass air flow vehicles, and the injector size is still necessary, if changed from stock. What needs to be know is that the tbi systems will not tolerate any sort of rough idle, and that if you intend on continuing to use the 4L60E transmission, which is wholly electronically controlled, then the factory system is necessary. Please discontinue spreading misinformation to other people, based on a lack of any information and knowledge on your part !!
 

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You got half lucky on yours. Likely, your engine vacuum is just enough globally lower for your 383 to run smoothly, but 10 years of programming factory efi systems successfully will beat out dumb luck anyday. My only issue with you is that you should not spread misinformation, based on dumb luck, at best. Tell me what you know about comouter programming on efi vehicles.
 
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