2006 C6 engine swap.
Thread Starter
2nd Gear
Joined: Jul 2024
Posts: 2
Likes: 0
2006 C6 engine swap.
Hello everyone, I’m new to the forums world.
I have blown LS2 currently in my C6 corvette and I'm looking for good engine swap options. I wanna keep it NA. Any advice is appreciated!
I have blown LS2 currently in my C6 corvette and I'm looking for good engine swap options. I wanna keep it NA. Any advice is appreciated!
Le Mans Master
Joined: Dec 2013
Posts: 6,338
Likes: 5,115
From: Charles Town WV
2024 Corvette of the Year Finalist - Modified
2023 C6 of the Year Winner - Modified
2022 C6 of the Year Finalist - Modified
any LS/Gen 3/4 aluminum or iron block you can afford will technically work. It all really depends on your budget and your goal. What are you looking to spend and what do you plan on doing with the car?
Safety Car
Joined: Aug 2017
Posts: 4,929
Likes: 2,340
From: Etobicoke (Toronto) Ontario
Wanna keep it NA? Here you go. Mercury SB4.
https://www.mercuryracing.com/conten...ne-Catalog.pdf
750 HP. Bring a Brinks truck.
https://www.mercuryracing.com/conten...ne-Catalog.pdf
750 HP. Bring a Brinks truck.
Le Mans Master
Joined: Dec 2013
Posts: 6,338
Likes: 5,115
From: Charles Town WV
2024 Corvette of the Year Finalist - Modified
2023 C6 of the Year Winner - Modified
2022 C6 of the Year Finalist - Modified
Wanna keep it NA? Here you go. Mercury SB4.
https://www.mercuryracing.com/conten...ne-Catalog.pdf
750 HP. Bring a Brinks truck.
https://www.mercuryracing.com/conten...ne-Catalog.pdf
750 HP. Bring a Brinks truck.
Thread Starter
2nd Gear
Joined: Jul 2024
Posts: 2
Likes: 0
Honestly, i just want something that wont cost me an arm and a leg lmao. But im not trying to buy a piece of **** either
Drifting
Joined: Jul 2005
Posts: 1,634
Likes: 190
From: Austin TX
Check sources online that may have take out engines so it is (somewhat) a direct swap. If its in your budget, an LS3\LS7 swap would be ideal but you end up changing more than just the engine (i.e. BCM\PCM, transmission, TCM, battery relocation, etc.). If budget is tight and you decide to stick with the LS2, depending on what is wrong with the current engine, get a shortblock and just swap everything over.
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Joined: Feb 2011
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2024 C6 of the Year Finalist - Modified
2020 Corvette of the Year Finalist (track prepared)
2019 C6 of Year Winner (track prepared)
Check sources online that may have take out engines so it is (somewhat) a direct swap. If its in your budget, an LS3\LS7 swap would be ideal but you end up changing more than just the engine (i.e. BCM\PCM, transmission, TCM, battery relocation, etc.). If budget is tight and you decide to stick with the LS2, depending on what is wrong with the current engine, get a shortblock and just swap everything over.
Relocating the battery also isn't necessary either unless you went full dry sump conversion.
Basically all the PCM needs is to think it has a slightly larger LS2 in it.
Le Mans Master
Joined: Dec 2013
Posts: 6,338
Likes: 5,115
From: Charles Town WV
2024 Corvette of the Year Finalist - Modified
2023 C6 of the Year Winner - Modified
2022 C6 of the Year Finalist - Modified
subfloor is correct on that, the computer doesn't know what motor is in there, it just knows how to run the hardware on it. If you tune it this is a non issue. All LS series platforms are pretty compatible with the exception of being 24x or 58x crank triggers, which they make convertor boxes to overcome. OP if you can swing it go LS3 and dont look back.
Pro
Joined: Apr 2022
Posts: 706
Likes: 183
From: Chattanooga TN
I'd get estimates to rebuild current blown-up LS2.
Wrecked cars will have great donor engines. LS2/LS3 should be out there still. Throw a 5.3 in it ? Personally, I'd just stay away from the Ls7 . When i start seeing folks exclaim theyve put 50-80k on their "fixed heads" and all is well I might feel better .
Can you just buy a replacement block ? Are you doing the work?
Wrecked cars will have great donor engines. LS2/LS3 should be out there still. Throw a 5.3 in it ? Personally, I'd just stay away from the Ls7 . When i start seeing folks exclaim theyve put 50-80k on their "fixed heads" and all is well I might feel better .
Can you just buy a replacement block ? Are you doing the work?
Drifting
Joined: Jul 2010
Posts: 1,833
Likes: 257
From: Shawnee, OK
I’m with StayInStiock, LS3 all the way. You might consider the hot cam version or just can it yourself before you drop it in. LS3 makes great power, is super reliable, and is generally affordable.
Instructor
Joined: Jun 2008
Posts: 176
Likes: 20
From: Noblesville indiana
I was faced with a similar decision back in 2021. My 2005 LS2 needed a rebuild after many years of street/track use. The decision was rebuild or buy a crate motor with a 2 year warranty. The rebuild was cheaper but no long term warranty. If something would have gone wrong with the LS2 rebuild I would be relying on the relationship with the builder to determine what went wrong and how much of that would be considered warranty. Given my track use, that could have been dicey.
I paid more and went with the GM LS3 376/480 495 HP. The motor has been solid to-date. I'm happy with my decision.
Good luck.
Mike
I paid more and went with the GM LS3 376/480 495 HP. The motor has been solid to-date. I'm happy with my decision.
Good luck.
Mike
