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Discussion Starter · #1 ·
I'm replacing my 5.3 in my 07 Avalanche with a 6.0 L76 out of an 07 Silverado 1500. For simplicity, I'm getting the Silverado engine computer as well. My questions are
1) will this computer work as-is with the 6.0 after the swap?
2) will I have to do the security relearn?
3) Will the 6.0 run with my 5.3 computer (in case I have issues with the 6.0 computer and I have to send out for a reprogram)?
4) Is this the module that stores the VIN and if so, is there any way for me to update it myself?
5) Is it called an ECM or PCM?

Thanks,
Rich
 

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Seems like any custom tuner worth his salt should be able to bench flash your PCM with a stock tune for the L76. Then go back for a performance tune on the dyno. There's a few that do mail order, too.

http://www.blackbearperformance.com/services.asp

Justin at Blackbear may be able to do it. Email him via this link.

Ted
 
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