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Boosted LQ4 piston Ring Gap?

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Boosted LQ4 piston Ring Gap?

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Feb 10, 2014 | 08:26 AM

#1

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Staging Lane

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Boosted LQ4 piston Ring Gap?

Im boosting an lq4. Should i increase my piston ring gaps? Any links or tips from people who have dealt with this would be appreciated.

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Feb 10, 2014 | 10:35 AM

#2

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From: Alexandria, Ky

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.025 to .030" is what we always used, pending on HP level.

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Feb 10, 2014 | 10:55 AM

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Staging Lane

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Thanks. Nice LQ4 build by the way.

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Feb 10, 2014 | 03:38 PM

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From: Colorado Springs, Co/ Central, Ca

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Yea he is about right. E85 will take a lot tighter than pump gas as well. Most of the time a 80-100k mile engine will be about right for E85 but on gas it could still be a little tight for really high boost.

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Feb 11, 2014 | 07:29 AM

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Staging Lane

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Thats what i figured. Gonna be a lot of horsepower i need those rings to not bind up at all. Did you just open the gap up and shave it down with a file?

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