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Wiring question: Gen III 5.3L vs LS1

Old 11-23-2011, 07:02 AM
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Default Wiring question: Gen III 5.3L vs LS1

I have my engine bay all wired up with controller from a 5.3L and just found a good deal on a LS1 longblock. I am wondering if the wiring and controller at the same so I would just need a flash or it I would have to redo everything?
Old 11-23-2011, 09:27 PM
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anyone? Is this a stupid question and I don't know?
Old 11-24-2011, 04:02 PM
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The wiring should be ok.

The controller will have to be flashed with a calibration for the LS1/5.7L.
Old 11-28-2011, 09:58 AM
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OK thanks. That is what I expected.


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