LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

4.8 swap ecm tuning

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Old 12-22-2010, 11:02 AM
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4.8 swap ecm tuning

Im swaping a 4.8 with ls1 intake and wiring harness from a 99 camaro with the 99 camaro ecm. My question is what do I do about the tuning on the ecm? I know I need to have it reflashed to remove vats,egr,rear o2s and so on but not sure where to get it reflashed for a 4.8.
Old 12-22-2010, 11:46 AM
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Re: 4.8 swap ecm tuning

any place that can remove that stuff should be able to flash the new OS. That sure is an expensive swap to do the 4.8 and not upgrade to at least the 5.3L
Old 12-22-2010, 11:52 AM
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Re: 4.8 swap ecm tuning

well I would have upgraded to a 5.3 but I picked up the complete 4.8 for $100
Old 12-22-2010, 07:20 PM
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Re: 4.8 swap ecm tuning

Cool

Now spend another $100 on a 5.3 rotating assembly and upgrade the 4.8 to a 5.3. You'll kick yourself in the future for skimping on the cheap part of the swap. 5.3's are just too common and cheap to settle
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