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Ls1 ecu's interchangable?

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Old 05-21-2005, 11:32 AM
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Default Ls1 ecu's interchangable?

Will my 2001 SS ecu work in my buddies '98 formula? I know that it would have to be totally retuned if it would work because of the differences in injectors, cam and heads. I have tried to do a seach on this subject this morning but for some reason the search is not working for me. Thanks in advance!!
Old 05-21-2005, 11:51 AM
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no, 98s need 98 PCMs unless you rewire everything and replace a few sensors
99-02 PCMs are interchangeable
Old 05-21-2005, 11:54 AM
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thanks horist, thats what I figured.




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