10+ piston ring gap calculator

- Top Ring - Second Ring - Oil Ring INPUTS Engine Type. Use the chart below to determine the minimum ring end gap.

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The ring manufacturer suggests the top ring to be 0020-inch and the second ring 0004- to 0008-inch.

. To find the proper ring end gap multiply your bore size by the ring end gap factor listed on the chart ie Street Naturally Aspirated 4000 bore x 0065 gap factor 026 total top ring end. Ring end gap should be measured with the ring square in the bore on a fresh hone. Piston Ring Gap Calculator Measure the gap 2 between the two ring ends.

Ryan Schnitz Racing. For a naturally aspirated street engine using a cast piston with 4000 bore. It must be between a minimum of 0 For high performance engines the multiplier changes to add more.

Determining Ring Gap. Piston ring end gap is just as critical as your bearing clearances but is often overlooked. Modified or Nitrous Oxide - 0005in x 400in bore 0020 inch ring.

For high performance engines the multiplier changes to add more clearance but the math stays the same. If the cylinder is excessily worn it must be rebored. For the 2nd ring on a nitrous or blown motor the recommended ring end gap is even wider.

The new rings out the box have a gap of 0026-inch top and second. Calculator for INPUTS Ring Type. To determine the ring end gap look for your application in the proceeding table.

Enter a value in the un-shaded boxes below as they pertain to your engine. 274 Now if you calculate the compression ratio is 10. ALL BORES MUST BE CoNVERTED TO INCHES.

- Street or Semi Race Engine - Drag Race Circle. 0063 to 0073 inchestimes the. Piston Ring End Gap Chart.

It must be between a minimum of 0. The illustration below shows the effect of cylinder wear. Piston Ring Gap Calculator Measure the gap 2 between the two ring ends.

Ring gaps are often a confusing and. Checking ring gap in the worn portion of the cylinder will show a gap increase in direct relation to the amount of cylinder wear present. Ring gap requirements are influenced by cylinder taper.

Using this calculator you can obtain the proper ring end gap requirements for KB Pistons using end gap factors from inside the front cover of the KB catalog or on this website in the tech. Piston Ring Gap Calculator PRO. What is the recommended ring end gap for an oil ring.

For pistons BELOW the block TDC - value in box must be a POSITIVE. Cylinder should be free of any taper. Multiply bore size x ring end gap factor.

Just because the ring manufacture says the rings are for a certain bore size it is ultimately the.

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