blown ls3, what to do now
Burning Brakes
Joined: Jun 2013
Posts: 867
Likes: 26
From: SW Ohio
Pretty sure there ain't no 'fixin' to be done for a hole in your block. New/rebuilt short block from a reputable engine supplier would fix it.
Retired & lovin' it!
Joined: Mar 2005
Posts: 4,475
Likes: 549
From: Jackson NJ
Sorry for you, but you're in for a total rebuild. The hole in the block was caused by something else letting go....most likely a rod but could be any other engine internal part. Hopefully the top end of the engine is salvageable, but only a good engine builder can tell you that.
Safety Car
Joined: Nov 2007
Posts: 4,435
Likes: 874
From: Bay Area CA
Find out what caused the engine to go!
Maybe some forum members will recommend reputable engines builders who have gone through this experience.
Good luck!
Thread Starter
Intermediate
Joined: Aug 2008
Posts: 46
Likes: 2
what would be a good short or long block to go with?
it was tuned at ECS
i like the jb weld idea. maybe i will try that first
i not sure if the heads are good or not. I know I'm getting a short block atleast either way. what internals would i get and from who is the question.
it was tuned at ECS
i like the jb weld idea. maybe i will try that first
i not sure if the heads are good or not. I know I'm getting a short block atleast either way. what internals would i get and from who is the question.
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Race Director
Joined: Aug 2005
Posts: 13,592
Likes: 187
From: Hudson WI
NCM Sinkhole Donor
Race Director
Joined: May 2004
Posts: 16,667
Likes: 1,209
From: Raleigh, NC
St. Jude Donor '15
The point being most people say the internals don't break to begin with on stock LS3's at that power level with meth. No broken internals would have = no hole in the block.
That's going to take a lot of JB Weld
I don't think you can JB weld the connecting rod though (kidding, of course)
GL with the rebuild. It is unfortunate given how few of their stock engine builds supposedly let go.
That's going to take a lot of JB Weld
I don't think you can JB weld the connecting rod though (kidding, of course)GL with the rebuild. It is unfortunate given how few of their stock engine builds supposedly let go.
Race Director
Joined: Sep 2007
Posts: 16,557
Likes: 2,108
From: Peoria/Phoenix AZ
C6 of Year Finalist (performance mods) 2019
Instructor
Joined: Oct 2014
Posts: 131
Likes: 1
From: Jonesborough Tennessee
what would be a good short or long block to go with?
it was tuned at ECS
i like the jb weld idea. maybe i will try that first
i not sure if the heads are good or not. I know I'm getting a short block atleast either way. what internals would i get and from who is the question.
it was tuned at ECS
i like the jb weld idea. maybe i will try that first
i not sure if the heads are good or not. I know I'm getting a short block atleast either way. what internals would i get and from who is the question.
Could you give some details about mileage on engine, how many miles supercharged, babbied or driven like you stole it. Lol.
Thread Starter
Intermediate
Joined: Aug 2008
Posts: 46
Likes: 2
supercharged since around 3-4000miles. i drive easy a lot but do get on it hard once in a while but not for extended periods of time. more like roll on a couple gears the back to driving like a normal car.
Racer
Joined: Nov 2013
Posts: 381
Likes: 24
Sorry about what happened. I just finished with my ls3 rebuild in my GS (A&a with meth and s/c cam, etc...). Mine lasted for 2 years at 630 rwhp with 8-9 psi(1 year tracking at HPDE's) until I developed a noise; lifters went bad and were making the noise and #5 cylinder had an uneven shape (smaller diameter towards the bottom) causing the piston skirt to start to collapse. Had the shop do a full engine rebuild with forged internals, lower compression, larger displacement, performance lifters, 8rib kit, etc. Unfortunately the rebuild took 8 months, and currently trouble shooting aspects of the build. The 8 rib kit had alignment issues and chewed up a belt. Now just have to upgrade my oil cooling system since the larger displacement seems to be making the car run 15 to 20 degrees hotter when not at highway speeds and when ac is on.
Just wanted to share my engine build experience. It could take a while since good builders are usually pretty backed up with orders and then there seems to be a trouble shooting period once you break the engine in. Good luck getting the engine done; hopefully you will have a much less downtime than I experienced.
Just wanted to share my engine build experience. It could take a while since good builders are usually pretty backed up with orders and then there seems to be a trouble shooting period once you break the engine in. Good luck getting the engine done; hopefully you will have a much less downtime than I experienced.
Last edited by c6moneypit; Sep 28, 2015 at 12:36 AM.
Instructor
Joined: Oct 2014
Posts: 131
Likes: 1
From: Jonesborough Tennessee
This is what scares me about swapping to a supercharger. Im at 568rwhp/646tq on a 150 shot on ls2. Was looking to swap to a ECS kit with meth and turn it up to 700rwhp but dont wanna be blowing a engine shortly after i do it. Guess it a chance ya take. Gotta pay to play.