2.2L Engine Rebuild for Withstanding Higher Level Forced Induction - Page 3 - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #21 of 72 (permalink) Old 03-17-2014, 07:06 PM
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Which is a good idea. Measure twice, cut once.

I imagine stroking would be a safer option than boring the motor. With an aluminum block there isn't much you can safely bore, and the further you go the closer you'll get to a catastrophic failure. This is where the extent of my knowledge starts to taper off. I'm still learning, just like you.

A more experienced engine modder would be able to tell you for sure.

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post #22 of 72 (permalink) Old 03-17-2014, 07:13 PM
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Plain jane you pretty much got it.

The sleeves in these motors are steel, but they can fail if you have a bad tune. Higher compression means more power, less boost. But under a boosted application, can cause detonation. To prevent detonation, higher octane fuel and/or meth are highly recommended. I dont believe there are options to stroke the motor but to be honest, with the power you probably want, it would be pointless and expensive.

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post #23 of 72 (permalink) Old 03-17-2014, 07:43 PM
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thanks for the advice
what i want is to build it so it's safe and reliable for daily driving but still has 300-350 hp and i'm hoping that building the engine right and putting a nice bullseye turbo from zzp will achieve that with a nice tune
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post #24 of 72 (permalink) Old 03-17-2014, 07:50 PM
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If that's the power you're shooting for, then Banker is right, no use spending the money on a custom stroker kit because it simply isn't necessary.

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post #25 of 72 (permalink) Old 03-17-2014, 08:14 PM
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Im sitting at 350whp and have had no issues for a year now. Daily driving is fine.

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post #26 of 72 (permalink) Old 04-22-2014, 05:31 PM
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hey are the wiseco pistons and eagle rods good for the 2010's? when i look on ebay it only goes up to the 2008's

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post #27 of 72 (permalink) Old 04-22-2014, 07:43 PM
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Same block, yes they work

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post #28 of 72 (permalink) Old 04-23-2014, 06:49 AM
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awesome thanks man! im planning on buying these today to start on the internals since these seem to be the main ones. these look good? figured its best to ask and double check

Wiseco Pistons Eagle Rods Ecotec 2 2L 8 9 1 86 5mm Opel Cobalt | eBay

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post #29 of 72 (permalink) Old 04-23-2014, 07:43 AM
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I admire your ambition.

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post #30 of 72 (permalink) Old 04-23-2014, 09:30 AM
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Quote:
Originally Posted by Plain Jane View Post
I admire your ambition.
haha thanks, is that sarcasm?

---------- Post added at 08:11 AM ---------- Previous post was at 06:50 AM ----------

one more quick question, stock compression is 10:1 right? the wiseco pistons and eagle rods say its 8.9:1, that cool?

---------- Post added at 08:30 AM ---------- Previous post was at 08:11 AM ----------

lol one more and im done i promise. which gasket bore do you select for the head gasket?
theres a bunch of 87mm options but im not sure which one

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