Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Head gasket question

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Old Aug 24, 2011 | 06:02 PM
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Head gasket question

Hi i currentyl have an 07 sti and was just wondering what the key benefits of having a thicker head gasket then stock?

thanks
Old Aug 24, 2011 | 11:08 PM
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benefits?..It will lower your compression though.
Old Aug 24, 2011 | 11:41 PM
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I'm just asking cuz I'm having a motor rebuilt and it was pinging so my mechanic said they needed thicker head gaskets. So Would it effect performance or reliablity
Old Aug 25, 2011 | 07:23 AM
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Run to another shop if the current shop is giving you his advice.
Old Aug 25, 2011 | 01:48 PM
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The only reason to ever run a thicker gasket is if they had to take a lot of material off the heads when surfacing them. We use OEM head gaskets on 99.9% of builds.

Thanks
-- Ed
Old Aug 25, 2011 | 02:53 PM
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thanks for your input guys
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