Camaro SS LS3 swap into a G8 GT
09-14-2011, 08:28 PM
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Camaro SS LS3 swap into a G8 GT Im hoping i can have somebody help me with this, ive done all the searches on numerous forums and sites and cant find the info im looking for. I want to know whats involved in swapping a camaro LS3 in a G8 GT? ECM change? tuning? etc... nothing crazy...
just a straight up L76 to LS3 swap. im hoping that with all the knowledge here somebody will be able to tell me or direct me to someone who can. thanks
just a straight up L76 to LS3 swap. im hoping that with all the knowledge here somebody will be able to tell me or direct me to someone who can. thanks
09-15-2011, 04:56 PM
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I'm not positive but it shouldn't be much more than a tune and alot of work. If your looking for more power I think it would be easier to change cams and a DOD delete kit.
09-16-2011, 04:12 PM
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The L76 has the LS3 heads and intake. It is a 6.0 instead of a 6.2, and it has the DOD cam. A cam swap could EASILY make more power than an LS3 swap, and be a hell of a lot cheaper.
If you insist on the LS3, your stock ECM would work, it would just need to be retuned. Re-use all of your accessories and bolt it in.
If you insist on the LS3, your stock ECM would work, it would just need to be retuned. Re-use all of your accessories and bolt it in.
09-16-2011, 11:36 PM
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Run a cross check on front accessories and see if they are interchange able.
I don't think the oil pan is the same though (I think GM redesigned the Gen 5's front end -vs- the original G8/Holden platform).
Retune (AFM/DOD delete) and a crank relearn on the ecm (both use the 58x crank timing gear).
Swap to premium fuel (11:1 LS3 vs 10:1 L76)
You will gain 12 cubes (364 to 376) and higher compression.
Neither motor had VVT, so cam phaser tuning is not needed...
Good luck.
I don't think the oil pan is the same though (I think GM redesigned the Gen 5's front end -vs- the original G8/Holden platform).
Retune (AFM/DOD delete) and a crank relearn on the ecm (both use the 58x crank timing gear).
Swap to premium fuel (11:1 LS3 vs 10:1 L76)
You will gain 12 cubes (364 to 376) and higher compression.
Neither motor had VVT, so cam phaser tuning is not needed...
Good luck.
09-17-2011, 09:35 AM
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The reason I am this swap is because I already have a,LS376/480 motor from another project, so its not a question of money. I talked to vector yesterday, those guys were awesome!!! They said its a straight swap, but I'll have to use my oil pan and pickup. Not wanting an all out beast, just a fun 400hp daily driver....
09-17-2011, 04:03 PM
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Yeah, electrically it's compatible if you tune the car...you'll need to swap out some minor parts...but it's going to really wake your G8 up (based on what I've seen on the dyno between my own car and some G8 GT's) and you can probably sell your L76 from your G8 for a good chunk of change.
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09-17-2011, 08:25 PM
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The reason I am this swap is because I already have a,LS376/480 motor from another project, so its not a question of money. I talked to vector yesterday, those guys were awesome!!! They said its a straight swap, but I'll have to use my oil pan and pickup. Not wanting an all out beast, just a fun 400hp daily driver....
