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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 07-01-2010, 12:48 PM
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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 07-01-2010, 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 07-01-2010, 12:51 PM
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I think there broke that sucks. good luck with the build.
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Old 07-01-2010, 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 07-01-2010, 12:52 PM
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Whats the story?
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Old 07-01-2010, 12:57 PM
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Damn Idk how you guys keep poping these engines so easily.....
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Old 07-01-2010, 12:59 PM
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Big supercharger (TVS) little engine..... thats how
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Old 07-01-2010, 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 07-01-2010, 01:02 PM
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Ouch...
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Old 07-01-2010, 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; 07-01-2010 at 01:04 PM. Reason: Automerged Doublepost
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Old 07-01-2010, 01:07 PM
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just polish glue and reuse
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Old 07-01-2010, 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 07-01-2010, 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 07-01-2010, 01:33 PM
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Damn!!!
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Old 07-01-2010, 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 07-01-2010, 04:18 PM
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is it ok to put forged pistons in the stock sleeves?
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Old 07-01-2010, 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 07-01-2010, 04:32 PM
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damn that sucks
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Old 07-01-2010, 04:34 PM
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oh wow...
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Old 07-01-2010, 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 07-01-2010, 05:04 PM
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Well done!@
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Old 07-01-2010, 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 07-01-2010, 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 07-01-2010, 06:06 PM
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its just fine... as long as you install your rings correctly.^^^^
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Old 07-01-2010, 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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