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SpankU 06-15-2009, 11:12 AM I've been seeing some deals on LS3 crate motors and I was wondering if anyone has stuck one of these motors into your 2005. Mine is a automatic if that makes a difference. Will all the wiring and electronics line up or will I need different wiring harness? Appreciate the feedback. Chris Sailfish 06-16-2009, 09:57 AM I know it can be done, they are pretty close to the same, I do believe you will need different wire harnesses. DynamicTuningSolutions 06-17-2009, 02:08 PM It can definitely be done. We just completed an LS376/480 crate engine swap into a 2000 Vette. Are you planning on doing it yourself? Hanny 06-19-2009, 06:47 PM I've been seeing some deals on LS3 crate motors and I was wondering if anyone has stuck one of these motors into your 2005. Mine is a automatic if that makes a difference. Will all the wiring and electronics line up or will I need different wiring harness? Appreciate the feedback. Chris my guess it wuopld drop right in fitment wise. the wiring might be different for sensors tho? would be a nice upgrade for you WeeZee 06-25-2009, 01:08 PM Sounds like a good idea all the LS3 swaps are pretty basic from what ive read. Why not go for the Godzilla of GM crate motors "LS7" 427 7.0L ? I love the LS1 threw LS3 but the LS7 is on another level DynamicTuningSolutions 06-28-2009, 04:24 PM Sounds like a good idea all the LS3 swaps are pretty basic from what ive read. Why not go for the Godzilla of GM crate motors "LS7" 427 7.0L ? I love the LS1 threw LS3 but the LS7 is on another level The LS7 can be a much bigger challenge since it is a drysump system instead of wet sump (LS3, LS2, LS1). You have to clear out space for the dry sump system to begin with. WeeZee 06-29-2009, 08:59 AM thats true, they could just add a Procharger or single turbo to make it simple and painless | |