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67C10BUB · 05-10-2011, 06:04 AM

I wish I could help, but my 2008 5.3L / 4L60E had a separate TCM. I'm not sure if 2004 was the same. I would think that the 4L60E would be easier to install. It's just plug and play. The 700R4 would require a TV cable, which could prove difficult to hook up with a DBW system. Just my $.02.

05-10-2011, 06:04 AM	#2
67C10BUB Registered User Join Date: Aug 2010 Location: Alta Loma, CA Posts: 610	Re: Transmission option for LSx swap I wish I could help, but my 2008 5.3L / 4L60E had a separate TCM. I'm not sure if 2004 was the same. I would think that the 4L60E would be easier to install. It's just plug and play. The 700R4 would require a TV cable, which could prove difficult to hook up with a DBW system. Just my $.02. __________________ 67 5.3L Build