Can you use oversized rings in stock pistons - Hot Rod Forum : Hotrodders Bulletin Board
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Old 12-06-2002, 11:42 AM
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Post Can you use oversized rings in stock pistons

Exactly what the title asks... too lazy to rewrite

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Old 12-06-2002, 11:48 AM
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Oversize rings are for cylinders that have been bored. Since the cylinders are larger in diameter, you cannot use the stock pistons. Bore the engine = new pistons and new rings. I am curious - why would you WANT to put oversize rings on the original pistons??
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Old 12-06-2002, 11:51 AM
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I don't want to... it is just my friend was trying to tell me that alot of guys bore a block and use the stock pistons with oversized ring... I told him yeah right and now he just won't listen to me....
Like how the hell would it hold compression???
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Old 12-06-2002, 02:07 PM
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On a blueprinted engine,it is common to use .005" overszed rings and file them to fit.This is done because most ringsets are designed to be used with normal passenger car piston to wall clearances.When blueprinting even an out of the box crate motor to be used for racing,the builder will usually hone the cylinders so that the pistons fit real loose,and then the ring end gaps are too large,so slightly oversize rings are used and filed to get the correct endgap.As you may notice,most perfromace piston rings will come in oversizes suc as .005,or .035",or .065",this is to allow the engine build to file fit the rings,these rings are to be used in either standard{.005},or .030 or .060" overbored cylinders.Good luck.
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Old 12-06-2002, 06:30 PM
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What about a 10 on the bottom of the block... does this mean it is bored 10 thousandths?
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