what will 2.2 handle - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 7 (permalink) Old 04-05-2009, 02:55 AM Thread Starter
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what will 2.2 handle

hey guys. A friend of mine has the 2.2 and he wants more power. I was wondering how much hp will the stock internals handle. also how much boost will it take if we decide to go with forced induction. thanks for any advice or help.
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post #2 of 7 (permalink) Old 04-05-2009, 06:51 AM
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about 10 PSI of boost is all you would want to put on stock internals. Any more and you run the risk of destroying the motor

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post #3 of 7 (permalink) Old 04-05-2009, 08:11 AM
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I believe the stock internals on the 2.2 are rated to 250 HP



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post #4 of 7 (permalink) Old 04-05-2009, 10:06 AM
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Well I guess I'll say it. You or your friend aren't ready for this step yet. There isn't a set hp number, psi number, or anything like that where an engine will magically explode if exceeded. It all depends on your set up, the components used, the state of tune, etc etc ect.


Get to reading, or you'll blow something up way before these mythical limits people post up.

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post #5 of 7 (permalink) Old 04-05-2009, 01:06 PM
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post #6 of 7 (permalink) Old 04-05-2009, 02:12 PM Thread Starter
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I know its not a magic number. i'm just looking for an idea of how much power would still be safe for the engine. i also know running lean will make the engine blow. Thats what suportting mods and a piggyback is for. Trust me i'm not a noob to cars. Just specificly this car.
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post #7 of 7 (permalink) Old 04-05-2009, 10:27 PM
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then as said above your safe on stock internals around 8-10psi and i believe daman is right that the stock internals are rated at 250hp
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