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Hign Compression Vs. Low Comperssion

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Old 08-21-2006, 11:26 AM
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Default Hign Compression Vs. Low Comperssion

Well it looks like my pistons and rods are done for..

So its time to upgrade
Old 08-21-2006, 11:33 AM
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uhhh....if you are going with a piston that's good for boost you are dropping the compression. You drop compression with pistons/your head cc not rods.
Old 08-21-2006, 08:24 PM
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...or a thicker head gasket...
Old 08-21-2006, 08:32 PM
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How would lower compression work out with the stock ECU? I was wondering what would happen if you ran the car with a 2mm HG and a stock ECU.
Old 08-21-2006, 08:38 PM
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I think it would run okay...you would just be down on quite a bit of HP. It would probably be like running around in a 150HP S2000.

Anyone else wanna chime in here? I'd like a second opinion.
Old 08-21-2006, 08:40 PM
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You could run cheap gas with that setup.
Old 08-21-2006, 08:43 PM
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hehe...he's right. No need for the good stuff! In other words, we're not recommending you do a head gasket BEFORE you're ready to go FI because the car is going to run like arse.

Old 08-21-2006, 08:48 PM
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No, I was just wondering if it would even run with the stock ecu... i'm not really looking to mod the car to be slower. I was just thinking ahead so if I were to install a 2mm gasket and then took off the turbo setup I wanted to know if it would run with the stock ecu and lower compression. It might be good for the resale value if I can advertise that you could run my s2k with 87.
Old 08-21-2006, 09:00 PM
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It should run fine with 9 or 9.5:1 compression and only loose 10 or 15 hp. It will be a little less with 8:1 but should still run ok. Don't try to tow any loaded horsetrailers at the lower compression.
Old 08-21-2006, 09:26 PM
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Do you have a budget?


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