Block deck height
From Crankshaft Coalition Wiki
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==Overview== | ==Overview== | ||
| − | The block deck height is one of the first things that need to be known in order to calculate the compression | + | The block deck height is one of the first things that need to be known in order to calculate the compression ratio of an engine. The following text reveals how to measure the block deck height. |
==Deck heights defined== | ==Deck heights defined== | ||
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If you have an engine other than a small block Chevy, you need to find the main bearing bore of the motor or snug a cap onto the saddle without a bearing and measure the diameter, then divide that figure in half for the radius. The remainder of the calculations are exactly the same as stated above for the SBC. | If you have an engine other than a small block Chevy, you need to find the main bearing bore of the motor or snug a cap onto the saddle without a bearing and measure the diameter, then divide that figure in half for the radius. The remainder of the calculations are exactly the same as stated above for the SBC. | ||
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| − | [ | + | ==Compression ratio calculators== |
| − | [ | + | ===Static CR=== |
| − | [ | + | *[http://www.wheelspin.net/calc/calc2.html SCR] |
| − | [ | + | |
| + | ===Dynamic CR=== | ||
| + | *[http://www.empirenet.com/pkelley2/DynamicCR.html Dynamic compression calculator] by Kelly | ||
| + | *[http://www.uempistons.com/calc.php?action=comp2 Dynamic compression calculator] by KB | ||
| + | *[http://www.wallaceracing.com/dynamic-cr.php Wallace Racing DCR calculator] | ||
| + | *[http://www.rbracing-rsr.com/comprAdvHD.htm RSR DCR calculator] | ||
| + | {{Note1}} Some dynamic compression ratio calculators (like KBs) ask for an additional 15 degrees of duration be added to the IVC @ 0.050" lift point figure. <br> | ||
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| + | {{No | ||
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