2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Engine is apart, here is the damage...

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Old Jul 1, 2010 | 12:48 PM
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ionredline06's Avatar
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Engine is apart, here is the damage...

These are the #1 and #4 pistons. What do ya think?

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Old Jul 1, 2010 | 12:50 PM
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awesome! if you are gonna do it, do it right! how do the sleeves look?
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Old Jul 1, 2010 | 12:51 PM
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I think there broke that sucks. good luck with the build.
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Old Jul 1, 2010 | 12:51 PM
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I think you'll be blowing a wad and not the happy ending kind!
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Old Jul 1, 2010 | 12:52 PM
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Whats the story?
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Old Jul 1, 2010 | 12:57 PM
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Damn Idk how you guys keep poping these engines so easily.....
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Old Jul 1, 2010 | 12:59 PM
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Big supercharger (TVS) little engine..... thats how
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Old Jul 1, 2010 | 01:01 PM
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Originally Posted by ionredline06
Big supercharger (TVS) little engine..... thats how
more like bad tune
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Old Jul 1, 2010 | 01:02 PM
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Ouch...
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Old Jul 1, 2010 | 01:04 PM
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Originally Posted by INFE
Damn Idk how you guys keep poping these engines so easily.....
weakest point in the LSJ...pistons Been there, done that

Originally Posted by BLAZIN07SS
more like bad tune
Truth! Thats partly what happened to me.

Last edited by cobaltguy889; Jul 1, 2010 at 01:04 PM. Reason: Automerged Doublepost
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Old Jul 1, 2010 | 01:07 PM
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just polish glue and reuse
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Old Jul 1, 2010 | 01:25 PM
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Originally Posted by ionredline06
Big supercharger (TVS) little engine..... thats how
lol gotcha. So was this on the 2.7?

Looks like you're about to have a lot of fun with all those forged parts going in.
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Old Jul 1, 2010 | 01:27 PM
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Originally Posted by Pyros777
lol gotcha. So was this on the 2.7?

Looks like you're about to have a lot of fun with all those forged parts going in.
This was on the 3.1
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Old Jul 1, 2010 | 01:33 PM
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Damn!!!
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Old Jul 1, 2010 | 04:05 PM
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Ouch, sorry to hear that, I sure hope my 2.8" holds up. You having a lot of knock?
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Old Jul 1, 2010 | 04:18 PM
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is it ok to put forged pistons in the stock sleeves?
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Old Jul 1, 2010 | 04:20 PM
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Originally Posted by recklessactn
is it ok to put forged pistons in the stock sleeves?
Of course. Should hone the cylinders or do other prep depending on mileage and condition.
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Old Jul 1, 2010 | 04:32 PM
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damn that sucks
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Old Jul 1, 2010 | 04:34 PM
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oh wow...
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Old Jul 1, 2010 | 04:40 PM
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same exact thing happened to me. good thing the rings held the pistons together!!!!
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Old Jul 1, 2010 | 05:04 PM
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Well done!@
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Old Jul 1, 2010 | 05:50 PM
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The pistons in the lsj might not be the strongest component, you really just have to know how to tune these motors
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Old Jul 1, 2010 | 05:54 PM
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Originally Posted by recklessactn
is it ok to put forged pistons in the stock sleeves?
yea, but not recommended.
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Old Jul 1, 2010 | 06:06 PM
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its just fine... as long as you install your rings correctly.^^^^
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Old Jul 1, 2010 | 06:42 PM
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Originally Posted by ralliartist
yea, but not recommended.
Mine have been doing fine for the last 15k. I beat on it daily
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