Pistons and rings

Revision as of 17:57, 15 February 2013 (edit)

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m (Format table)

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Revision as of 18:06, 15 February 2013 (edit) (undo)

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(Format table)

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'''Example:''' 4" bore "Street Normally Aspirated" = 4" bore x 0.0065 = 0.026 top ring end gap. NOTE: Second ring end gaps do not need extra clearance. Dyno and track testing has shown that 34 degrees or less total ignition timing makes the best HP and time. Excessive spark advance, lean fuel mixture or too much compression for the fuel and cam used will make heat sufficient to butt piston rings with as much as 0.060" ring end gap. The entire top land can expand enough to contact the cylinder walls, when close to melt down temperatures are reached.

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<td bgcolor="#FFF8DC" rowspan="3" class="table_label_two" align="center" valign="center" width="180">'''APPLICATION'''</td>

<td colspan="3" class="table_label_two" align="center">'''HYPEREUTECTIC'''</td>

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<td bgcolor="#~~dddddd~~" colspan="3" class="table_label_two" align="center">'''FORGED'''</td>

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<td bgcolor="#F1F1F1" colspan="3" class="table_label_two" align="center">'''FORGED'''</td>

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Pistons and rings

Revision as of 18:06, 15 February 2013

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@@ Line 99: / Line 99: @@
 '''Example:''' 4" bore "Street Normally Aspirated" = 4" bore x 0.0065 = 0.026 top ring end gap. NOTE: Second ring end gaps do not need extra clearance. Dyno and track testing has shown that 34 degrees or less total ignition timing makes the best HP and time. Excessive spark advance, lean fuel mixture or too much compression for the fuel and cam used will make heat sufficient to butt piston rings with as much as 0.060" ring end gap. The entire top land can expand enough to contact the cylinder walls, when close to melt down temperatures are reached.
 <br><table border="1" cellpadding="2" cellspacing="0">
@@ Line 104: / Line 105: @@
      <td bgcolor="#FFF8DC" rowspan="3" class="table_label_two" align="center" valign="center" width="180">'''APPLICATION'''</td>
      <td colspan="3" class="table_label_two" align="center">'''HYPEREUTECTIC'''</td>
-     <td bgcolor="#dddddd" colspan="3" class="table_label_two" align="center">'''FORGED'''</td>
+     <td bgcolor="#F1F1F1" colspan="3" class="table_label_two" align="center">'''FORGED'''</td>
    </tr>
    <tr>
@@ Line 123: / Line 124: @@
      <td bgcolor= class="row_a" align="center">0.0015" - 0.0020"</td>
      <td class="row_b" align="center">0.0020" - 0.0025"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0040"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0040"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0035" - 0.0045"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0035" - 0.0045"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0045" - 0.0055"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0045" - 0.0055"</td>
    </tr>
    <tr>
@@ Line 132: / Line 133: @@
      <td bgcolor= class="row_a" align="center">0.0015" - 0.0020"</td>
      <td class="row_b" align="center">0.0020" - 0.0025"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0045"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0045"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0040" - 00.0050"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0040" - 00.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0050" - 0.0060"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0050" - 0.0060"</td>
    </tr>
    <tr>
@@ Line 141: / Line 142: @@
      <td bgcolor= class="row_a" align="center">0.0020" - 0.0025"</td>
      <td class="row_b" align="center">0.0025" - 0.0035"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0050"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0050"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0045" - 0.0055"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0045" - 0.0055"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0055" - 0.0065"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0055" - 0.0065"</td>
    </tr>
    <tr>
@@ Line 150: / Line 151: @@
      <td bgcolor= class="row_a" align="center">0.0015" - 0.0045"</td>
      <td class="row_b" align="center">0.0020" - 0.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0040"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0040"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0040" - 0.0050"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0040" - 0.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0055" - 0.0065"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0055" - 0.0065"</td>
    </tr>
    <tr>
@@ Line 159: / Line 160: @@
      <td bgcolor= class="row_a" align="center">0.0025" - 0.0045"</td>
      <td class="row_b" align="center">0.0030" - 0.0045"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0040"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0040"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0045" - 0.0065"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0045" - 0.0065"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0055" - 0.0075"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0055" - 0.0075"</td>
    </tr>
    <tr>
@@ Line 168: / Line 169: @@
      <td bgcolor= class="row_a" align="center">0.0025" - 0.0045"</td>
      <td class="row_b" align="center">0.0025" - 0.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0040"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0040"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0045" - 0.0065"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0045" - 0.0065"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0055" - 0.0075"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0055" - 0.0075"</td>
    </tr>
    <tr>
@@ Line 177: / Line 178: @@
      <td bgcolor=" class="row_a" align="center">0.0030" - 0.0045"</td>
      <td class="row_b" align="center">0.0030" - 0.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0045"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0045"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0050" - 0.0070"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0050" - 0.0070"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0060" - 0.0080"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0060" - 0.0080"</td>
    </tr>
    <tr>
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      <td bgcolor= class="row_a" align="center">0.0015" - 0.0045"</td>
      <td class="row_b" align="center">0.0020" - 0.0045"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0040"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0040"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0050" - 0.0070"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0050" - 0.0070"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0060" - 0.0080"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0060" - 0.0080"</td>
    </tr>
    <tr>
@@ Line 195: / Line 196: @@
      <td bgcolor= class="row_a" align="center">0.0015" - 0.0045"</td>
      <td class="row_b" align="center">0.0020" - 0.0045"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0040"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0040"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0040" - 0.0070"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0040" - 0.0070"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0050" - 0.0080"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0050" - 0.0080"</td>
    </tr>
    <tr>
@@ Line 204: / Line 205: @@
      <td bgcolor= class="row_a" align="center">0.0020" - 0.0045"</td>
      <td class="row_b" align="center">0.0025" - 0.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0050"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0050"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0060" - 0.0090"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0060" - 0.0090"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0070" - 0.0100"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0070" - 0.0100"</td>
    </tr>
    <tr>
@@ Line 213: / Line 214: @@
      <td bgcolor= class="row_a" align="center">0.0015" - 0.0045"</td>
      <td class="row_b" align="center">0.0025" - 0.0045"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0050"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0050"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0050" - 0.0070"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0050" - 0.0070"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0060" - 0.0080"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0060" - 0.0080"</td>
    </tr>
    <tr>
@@ Line 222: / Line 223: @@
      <td bgcolor= class="row_a" align="center">0.0030" - 0.0050"</td>
      <td class="row_b" align="center">0.0035" - 0.0055"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0060"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0060"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0070" - 0.0100"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0070" - 0.0100"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0080" - 0.0110"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0080" - 0.0110"</td>
    </tr>
    <tr>
@@ Line 231: / Line 232: @@
      <td bgcolor= class="row_a" align="center">0.0030" - 0.0045"</td>
      <td class="row_b" align="center">0.0035" - 0.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0040"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0040"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0045" - 0.0060"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0045" - 0.0060"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0055" - 0.0070"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0055" - 0.0070"</td>
    </tr>
    <tr>
@@ Line 240: / Line 241: @@
      <td bgcolor= class="row_a" align="center">0.0030" - 0.0045"</td>
      <td class="row_b" align="center">0.0035" - 0.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0045"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0045"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0055" - 0.0070"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0055" - 0.0070"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0065" - 0.0080"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0065" - 0.0080"</td>
    </tr>
    <tr>
@@ Line 249: / Line 250: @@
      <td bgcolor= class="row_a" align="center">0.0030" - 0.0045"</td>
      <td class="row_b" align="center">0.0035" - 0.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0040"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0040"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0050" - 0.0070"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0050" - 0.0070"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0060" - 0.0080"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0060" - 0.0080"</td>
    </tr>
    <tr>
@@ Line 258: / Line 259: @@
      <td bgcolor= class="row_a" align="center">0.0015" - 0.0045"</td>
      <td class="row_b" align="center">0.0020" - 0.0045"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0040"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0040"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0035" - 0.0070"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0035" - 0.0070"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0045" - 0.0080"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0045" - 0.0080"</td>
    </tr>
    <tr>
@@ Line 267: / Line 268: @@
      <td bgcolor= class="row_a" align="center">0.0025" - 0.0045"</td>
      <td class="row_b" align="center">0.0030" - 0.0050"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0060"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0060"</td>
-     <td bgcolor="#dddddd" class="row_b" align="center">0.0080" - 0.0100"</td>
+     <td bgcolor="#F1F1F1" class="row_b" align="center">0.0080" - 0.0100"</td>
-     <td bgcolor="#dddddd" class="row_a" align="center">0.0090" - 0.0110"</td>
+     <td bgcolor="#F1F1F1" class="row_a" align="center">0.0090" - 0.0110"</td>
    </tr>
 </table><br>