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

??? on piston swaps

Old Nov 30, 2006 | 02:10 PM
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??? on piston swaps

now I've done this on v8's before, but how are the stock rings,
I"ll be swapping pistons soon, but really don't feel like sending the block out to get it re honed. do you think I could just swap the rings from the stock pistons to the new ones?
I know its not the best thing to do, but I"m trying to keep on budget and I"m already close to the end on that.
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Old Nov 30, 2006 | 04:46 PM
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I don't know...I suppose you "could" but you are taking a pretty big chance re-using rings...especially off your stock pistons man. Thats just asking for trouble.

Let me know if you do though..I would be curious to see how it works out
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Old Nov 30, 2006 | 04:56 PM
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I do have 2 motors so I might just try it out.... I wanted to see if I could just swap pistons with the motor in the car while my other one is being finished... but since I"m still running the stock clutch I might as well just drop everything out anyway... but the less work I have to do for now the better..
I also haven't heard of any rings breaking, just ringlands... so I dunno
kinda stuck here
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Old Nov 30, 2006 | 04:59 PM
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The build book actually suggests that you reuse the stock rings.

I; however; dont.
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Old Nov 30, 2006 | 05:11 PM
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The build book actually suggests that you reuse the stock rings.
you have to be shitting me? It suggests you re-use them? hmmm...I suppose, like I said it would work..just be kind of leary how long it would take to burn one out with a high hp application? Of course just because the pistons go 'caput' at 300 hp doesn't say much for the quality of the rings they use.

Try it man, let us know..seriously.
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Old Nov 30, 2006 | 05:46 PM
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The stock eutectic cast aluminum pistions are qaulity pieces for the 205HP supercharged production engine, but once you start to move up in power production, aftermarket forged aluminum pistions are required to handle the rigors of big pwoer....While the stock pistons need to be replaced the stock rings are more than ready to handle big power. To install the rings in the forged pistons, start by wiping the rings off with a lacquer thinner soaked lint-free paper towel and then lightly lube the rings with engine oil.
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Old Nov 30, 2006 | 05:53 PM
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No ****.

VERY good info to know.

Thanks Evil!
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Old Nov 30, 2006 | 06:17 PM
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The build book was authored to make the job of replacing the parts described as easy as possible, which means keeps the rings and not honing. Just don't break them.

If you have two engines, you probably already know that you should work the one that's out of the car instead of the one that's in there now.
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Old Nov 30, 2006 | 06:42 PM
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of course....
I"m building the first one on a budget... swapping it out... and I"ll start the good build with my stock motor in the car now...
for now I"ll be running a ported head, diamond pistons (10:1 ), arp head studs, cometic head gasket, and a 75 shot of the juice...
should put down some decent numbers.
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