Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - over sized rings on standard pistons
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Old 12-12-2012, 01:42 PM
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Originally Posted by jayseasBlue56 View Post
What about this quote.

Originally Posted by Super Streeter View Post
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.
The bores for a (let's say) 0.035" ring are still going to need to be 0.035"- after honing- , not 0.030".
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